Mercurial > vim
annotate src/channel.c @ 8037:9dea1571b352 v7.4.1313
commit https://github.com/vim/vim/commit/bfa1ffca8bcce92c030d8366036a316954f1ee69
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Feb 13 18:40:30 2016 +0100
patch 7.4.1313
Problem: MS-Windows: Using socket after it was closed causes an exception.
Solution: Don't give an error when handling WM_NETBEANS. Re-enable tests
for MS-Windows.
author | Christian Brabandt <cb@256bit.org> |
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date | Sat, 13 Feb 2016 18:45:04 +0100 |
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1 /* vi:set ts=8 sts=4 sw=4: |
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2 * |
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3 * VIM - Vi IMproved by Bram Moolenaar |
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4 * |
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5 * Do ":help uganda" in Vim to read copying and usage conditions. |
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6 * Do ":help credits" in Vim to see a list of people who contributed. |
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7 */ |
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8 |
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9 /* |
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10 * Implements communication through a socket or any file handle. |
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11 */ |
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12 |
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13 #include "vim.h" |
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14 |
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15 #if defined(FEAT_CHANNEL) || defined(PROTO) |
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16 |
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17 /* TRUE when netbeans is running with a GUI. */ |
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18 #ifdef FEAT_GUI |
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19 # define CH_HAS_GUI (gui.in_use || gui.starting) |
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20 #endif |
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21 |
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22 /* Note: when making changes here also adjust configure.in. */ |
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23 #ifdef WIN32 |
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24 /* WinSock API is separated from C API, thus we can't use read(), write(), |
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25 * errno... */ |
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26 # define SOCK_ERRNO errno = WSAGetLastError() |
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27 # undef ECONNREFUSED |
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28 # define ECONNREFUSED WSAECONNREFUSED |
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29 # undef EWOULDBLOCK |
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30 # define EWOULDBLOCK WSAEWOULDBLOCK |
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31 # ifdef EINTR |
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32 # undef EINTR |
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33 # endif |
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34 # define EINTR WSAEINTR |
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35 # define sock_write(sd, buf, len) send(sd, buf, len, 0) |
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36 # define sock_read(sd, buf, len) recv(sd, buf, len, 0) |
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37 # define sock_close(sd) closesocket(sd) |
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38 # define sleep(t) Sleep(t*1000) /* WinAPI Sleep() accepts milliseconds */ |
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39 #else |
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40 # include <netdb.h> |
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41 # include <netinet/in.h> |
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42 |
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43 # include <sys/socket.h> |
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44 # ifdef HAVE_LIBGEN_H |
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45 # include <libgen.h> |
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46 # endif |
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47 # define SOCK_ERRNO |
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48 # define sock_write(sd, buf, len) write(sd, buf, len) |
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49 # define sock_read(sd, buf, len) read(sd, buf, len) |
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50 # define sock_close(sd) close(sd) |
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51 #endif |
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52 |
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53 #ifdef FEAT_GUI_W32 |
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54 extern HWND s_hwnd; /* Gvim's Window handle */ |
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55 #endif |
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56 |
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57 /* |
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58 * Information about all channels. |
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59 * There can be gaps for closed channels, they will be reused later. |
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60 */ |
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61 static channel_T *channels = NULL; |
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62 static int channel_count = 0; |
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63 |
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64 /* Log file opened with ch_logfile(). */ |
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65 static FILE *log_fd = NULL; |
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66 |
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67 void |
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68 ch_logfile(FILE *file) |
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69 { |
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70 if (log_fd != NULL) |
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71 fclose(log_fd); |
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72 log_fd = file; |
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73 if (log_fd != NULL) |
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74 fprintf(log_fd, "==== start log session ====\n"); |
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75 } |
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76 |
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77 static void |
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78 ch_log_lead(char *what, int ch_idx) |
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79 { |
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80 if (log_fd != NULL) |
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81 { |
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82 if (ch_idx >= 0) |
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83 fprintf(log_fd, "%son %d: ", what, ch_idx); |
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84 else |
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85 fprintf(log_fd, "%s: ", what); |
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86 } |
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87 } |
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88 |
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89 static void |
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90 ch_log(int ch_idx, char *msg) |
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91 { |
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92 if (log_fd != NULL) |
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93 { |
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94 ch_log_lead("", ch_idx); |
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95 fputs(msg, log_fd); |
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96 fflush(log_fd); |
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97 } |
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98 } |
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99 |
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100 static void |
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101 ch_logn(int ch_idx, char *msg, int nr) |
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102 { |
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103 if (log_fd != NULL) |
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104 { |
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105 ch_log_lead("", ch_idx); |
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106 fprintf(log_fd, msg, nr); |
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107 fflush(log_fd); |
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108 } |
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109 } |
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110 |
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111 static void |
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112 ch_logs(int ch_idx, char *msg, char *name) |
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113 { |
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114 if (log_fd != NULL) |
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115 { |
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116 ch_log_lead("", ch_idx); |
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117 fprintf(log_fd, msg, name); |
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118 fflush(log_fd); |
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119 } |
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120 } |
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121 |
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122 static void |
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123 ch_logsn(int ch_idx, char *msg, char *name, int nr) |
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124 { |
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125 if (log_fd != NULL) |
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126 { |
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127 ch_log_lead("", ch_idx); |
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128 fprintf(log_fd, msg, name, nr); |
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129 fflush(log_fd); |
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130 } |
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131 } |
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132 |
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133 static void |
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134 ch_error(int ch_idx, char *msg) |
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135 { |
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136 if (log_fd != NULL) |
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137 { |
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138 ch_log_lead("ERR ", ch_idx); |
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139 fputs(msg, log_fd); |
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140 fflush(log_fd); |
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141 } |
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142 } |
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143 |
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144 static void |
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145 ch_errorn(int ch_idx, char *msg, int nr) |
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146 { |
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147 if (log_fd != NULL) |
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148 { |
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149 ch_log_lead("ERR ", ch_idx); |
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150 fprintf(log_fd, msg, nr); |
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151 fflush(log_fd); |
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152 } |
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153 } |
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154 |
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155 static void |
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156 ch_errors(int ch_idx, char *msg, char *arg) |
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157 { |
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158 if (log_fd != NULL) |
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159 { |
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160 ch_log_lead("ERR ", ch_idx); |
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161 fprintf(log_fd, msg, arg); |
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162 fflush(log_fd); |
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163 } |
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164 } |
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165 |
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166 #ifdef _WIN32 |
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167 # undef PERROR |
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168 # define PERROR(msg) (void)emsg3((char_u *)"%s: %s", \ |
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169 (char_u *)msg, (char_u *)strerror_win32(errno)) |
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170 |
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171 static char * |
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172 strerror_win32(int eno) |
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173 { |
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174 static LPVOID msgbuf = NULL; |
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175 char_u *ptr; |
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176 |
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177 if (msgbuf) |
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178 LocalFree(msgbuf); |
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179 FormatMessage( |
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180 FORMAT_MESSAGE_ALLOCATE_BUFFER | |
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181 FORMAT_MESSAGE_FROM_SYSTEM | |
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182 FORMAT_MESSAGE_IGNORE_INSERTS, |
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183 NULL, |
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184 eno, |
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185 MAKELANGID(LANG_ENGLISH, SUBLANG_DEFAULT), |
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186 (LPTSTR) &msgbuf, |
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187 0, |
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188 NULL); |
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189 /* chomp \r or \n */ |
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190 for (ptr = (char_u *)msgbuf; *ptr; ptr++) |
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191 switch (*ptr) |
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192 { |
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193 case '\r': |
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194 STRMOVE(ptr, ptr + 1); |
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195 ptr--; |
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196 break; |
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197 case '\n': |
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198 if (*(ptr + 1) == '\0') |
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199 *ptr = '\0'; |
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200 else |
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201 *ptr = ' '; |
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202 break; |
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203 } |
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204 return msgbuf; |
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205 } |
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206 #endif |
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207 |
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208 static void |
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209 init_channel(int ch_idx) |
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210 { |
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211 channel_T *ch; |
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212 |
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213 ch = &channels[ch_idx]; |
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214 (void)vim_memset(ch, 0, sizeof(channel_T)); |
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215 |
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216 ch->ch_sock = (sock_T)-1; |
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217 #ifdef CHANNEL_PIPES |
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218 ch->ch_in = -1; |
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219 ch->ch_out = -1; |
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220 ch->ch_err = -1; |
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221 #endif |
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222 #ifdef FEAT_GUI_X11 |
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223 ch->ch_inputHandler = (XtInputId)NULL; |
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224 #endif |
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225 #ifdef FEAT_GUI_GTK |
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226 ch->ch_inputHandler = 0; |
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227 #endif |
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228 #ifdef FEAT_GUI_W32 |
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229 ch->ch_inputHandler = -1; |
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230 #endif |
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231 /* initialize circular queues */ |
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232 ch->ch_head.next = &ch->ch_head; |
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233 ch->ch_head.prev = &ch->ch_head; |
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234 ch->ch_cb_head.next = &ch->ch_cb_head; |
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235 ch->ch_cb_head.prev = &ch->ch_cb_head; |
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236 ch->ch_json_head.next = &ch->ch_json_head; |
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237 ch->ch_json_head.prev = &ch->ch_json_head; |
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238 |
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239 ch->ch_timeout = 2000; |
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240 } |
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241 |
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242 /* |
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243 * Add a new channel slot, return the index. |
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244 * The channel isn't actually used into ch_sock is set >= 0; |
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245 * Returns -1 if all channels are in use. |
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246 */ |
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247 int |
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248 add_channel(void) |
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249 { |
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250 int ch_idx; |
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251 |
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252 if (channels != NULL) |
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253 { |
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254 for (ch_idx = 0; ch_idx < channel_count; ++ch_idx) |
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255 if (!channel_is_open(ch_idx)) |
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256 { |
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257 /* re-use a closed channel slot */ |
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258 init_channel(ch_idx); |
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259 ch_log(ch_idx, "Opening channel (used before)\n"); |
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260 return ch_idx; |
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261 } |
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262 if (channel_count == MAX_OPEN_CHANNELS) |
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263 return -1; |
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264 } |
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265 else |
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266 { |
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267 channels = (channel_T *)alloc((int)sizeof(channel_T) |
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268 * MAX_OPEN_CHANNELS); |
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269 if (channels == NULL) |
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270 return -1; |
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271 } |
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272 init_channel(channel_count); |
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273 ch_log(channel_count, "Opening new channel\n"); |
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274 return channel_count++; |
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275 } |
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276 |
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277 #if defined(FEAT_GUI) || defined(PROTO) |
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278 /* |
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279 * Read a command from netbeans. |
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280 */ |
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281 #ifdef FEAT_GUI_X11 |
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282 static void |
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283 messageFromNetbeans(XtPointer clientData, |
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284 int *unused1 UNUSED, |
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285 XtInputId *unused2 UNUSED) |
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286 { |
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287 channel_read((int)(long)clientData, FALSE, "messageFromNetbeans"); |
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288 } |
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289 #endif |
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290 |
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291 #ifdef FEAT_GUI_GTK |
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292 static void |
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293 messageFromNetbeans(gpointer clientData, |
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294 gint unused1 UNUSED, |
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295 GdkInputCondition unused2 UNUSED) |
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296 { |
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297 channel_read((int)(long)clientData, FALSE, "messageFromNetbeans"); |
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298 } |
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299 #endif |
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300 |
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301 static void |
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302 channel_gui_register(int ch_idx) |
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303 { |
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304 channel_T *channel = &channels[ch_idx]; |
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305 |
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306 if (!CH_HAS_GUI) |
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307 return; |
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308 |
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309 /* TODO: pipes */ |
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310 # ifdef FEAT_GUI_X11 |
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311 /* tell notifier we are interested in being called |
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312 * when there is input on the editor connection socket |
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313 */ |
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314 if (channel->ch_inputHandler == (XtInputId)NULL) |
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315 channel->ch_inputHandler = |
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316 XtAppAddInput((XtAppContext)app_context, channel->ch_sock, |
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317 (XtPointer)(XtInputReadMask + XtInputExceptMask), |
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318 messageFromNetbeans, (XtPointer)(long)ch_idx); |
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319 # else |
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320 # ifdef FEAT_GUI_GTK |
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321 /* |
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322 * Tell gdk we are interested in being called when there |
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323 * is input on the editor connection socket |
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324 */ |
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325 if (channel->ch_inputHandler == 0) |
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326 channel->ch_inputHandler = |
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327 gdk_input_add((gint)channel->ch_sock, (GdkInputCondition) |
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328 ((int)GDK_INPUT_READ + (int)GDK_INPUT_EXCEPTION), |
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329 messageFromNetbeans, (gpointer)(long)ch_idx); |
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330 # else |
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331 # ifdef FEAT_GUI_W32 |
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332 /* |
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333 * Tell Windows we are interested in receiving message when there |
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334 * is input on the editor connection socket. |
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335 */ |
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336 if (channel->ch_inputHandler == -1) |
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337 channel->ch_inputHandler = |
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338 WSAAsyncSelect(channel->ch_sock, s_hwnd, WM_NETBEANS, FD_READ); |
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339 # endif |
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340 # endif |
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341 # endif |
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342 } |
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343 |
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344 /* |
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345 * Register any of our file descriptors with the GUI event handling system. |
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346 * Called when the GUI has started. |
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347 */ |
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348 void |
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349 channel_gui_register_all(void) |
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350 { |
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351 int i; |
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352 |
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353 for (i = 0; i < channel_count; ++i) |
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354 /* TODO: pipes */ |
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355 if (channels[i].ch_sock >= 0) |
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356 channel_gui_register(i); |
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357 } |
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358 |
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359 static void |
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360 channel_gui_unregister(int ch_idx) |
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361 { |
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362 channel_T *channel = &channels[ch_idx]; |
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363 |
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364 /* TODO: pipes */ |
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365 # ifdef FEAT_GUI_X11 |
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366 if (channel->ch_inputHandler != (XtInputId)NULL) |
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367 { |
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368 XtRemoveInput(channel->ch_inputHandler); |
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369 channel->ch_inputHandler = (XtInputId)NULL; |
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370 } |
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371 # else |
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372 # ifdef FEAT_GUI_GTK |
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373 if (channel->ch_inputHandler != 0) |
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374 { |
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375 gdk_input_remove(channel->ch_inputHandler); |
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376 channel->ch_inputHandler = 0; |
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377 } |
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378 # else |
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379 # ifdef FEAT_GUI_W32 |
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380 if (channel->ch_inputHandler == 0) |
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381 { |
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382 WSAAsyncSelect(channel->ch_sock, s_hwnd, 0, 0); |
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383 channel->ch_inputHandler = -1; |
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384 } |
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385 # endif |
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386 # endif |
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387 # endif |
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388 } |
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389 |
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390 #endif |
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391 |
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392 /* |
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393 * Open a socket channel to "hostname":"port". |
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394 * Returns the channel number for success. |
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395 * Returns a negative number for failure. |
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396 */ |
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397 int |
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398 channel_open(char *hostname, int port_in, int waittime, void (*close_cb)(void)) |
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399 { |
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400 int sd; |
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401 struct sockaddr_in server; |
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402 struct hostent * host; |
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403 #ifdef WIN32 |
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404 u_short port = port_in; |
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405 u_long val = 1; |
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406 #else |
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407 int port = port_in; |
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408 #endif |
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409 int ch_idx; |
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410 int ret; |
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411 |
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412 #ifdef WIN32 |
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413 channel_init_winsock(); |
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414 #endif |
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415 |
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416 ch_idx = add_channel(); |
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417 if (ch_idx < 0) |
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418 { |
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419 ch_error(-1, "All channels are in use.\n"); |
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420 EMSG(_("E897: All channels are in use")); |
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421 return -1; |
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422 } |
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423 |
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424 if ((sd = (sock_T)socket(AF_INET, SOCK_STREAM, 0)) == (sock_T)-1) |
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425 { |
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426 ch_error(-1, "in socket() in channel_open().\n"); |
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427 PERROR("E898: socket() in channel_open()"); |
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428 return -1; |
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429 } |
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430 |
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431 /* Get the server internet address and put into addr structure */ |
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432 /* fill in the socket address structure and connect to server */ |
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433 vim_memset((char *)&server, 0, sizeof(server)); |
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434 server.sin_family = AF_INET; |
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435 server.sin_port = htons(port); |
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436 if ((host = gethostbyname(hostname)) == NULL) |
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437 { |
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438 ch_error(-1, "in gethostbyname() in channel_open()\n"); |
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439 PERROR("E901: gethostbyname() in channel_open()"); |
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440 sock_close(sd); |
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441 return -1; |
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442 } |
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443 memcpy((char *)&server.sin_addr, host->h_addr, host->h_length); |
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444 |
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445 if (waittime >= 0) |
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446 { |
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447 /* Make connect non-blocking. */ |
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448 if ( |
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449 #ifdef _WIN32 |
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450 ioctlsocket(sd, FIONBIO, &val) < 0 |
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451 #else |
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452 fcntl(sd, F_SETFL, O_NONBLOCK) < 0 |
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453 #endif |
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454 ) |
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455 { |
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456 SOCK_ERRNO; |
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457 ch_errorn(-1, "channel_open: Connect failed with errno %d\n", |
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458 errno); |
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459 sock_close(sd); |
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460 return -1; |
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461 } |
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462 } |
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463 |
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464 /* Try connecting to the server. */ |
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465 ch_logsn(-1, "Connecting to %s port %d", hostname, port); |
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466 ret = connect(sd, (struct sockaddr *)&server, sizeof(server)); |
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467 SOCK_ERRNO; |
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468 if (ret < 0) |
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469 { |
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470 if (errno != EWOULDBLOCK |
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471 #ifdef EINPROGRESS |
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472 && errno != EINPROGRESS |
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473 #endif |
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474 ) |
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475 { |
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476 ch_errorn(-1, "channel_open: Connect failed with errno %d\n", |
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477 errno); |
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478 PERROR(_("E902: Cannot connect to port")); |
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479 sock_close(sd); |
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480 return -1; |
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481 } |
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482 } |
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483 |
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484 if (waittime >= 0 && ret < 0) |
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485 { |
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486 struct timeval tv; |
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487 fd_set wfds; |
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488 |
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489 FD_ZERO(&wfds); |
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490 FD_SET(sd, &wfds); |
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491 tv.tv_sec = waittime / 1000; |
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492 tv.tv_usec = (waittime % 1000) * 1000; |
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493 ret = select((int)sd + 1, NULL, &wfds, NULL, &tv); |
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494 if (ret < 0) |
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495 { |
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496 SOCK_ERRNO; |
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497 ch_errorn(-1, "channel_open: Connect failed with errno %d\n", |
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498 errno); |
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499 PERROR(_("E902: Cannot connect to port")); |
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500 sock_close(sd); |
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501 return -1; |
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502 } |
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503 if (!FD_ISSET(sd, &wfds)) |
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504 { |
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505 /* don't give an error, we just timed out. */ |
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506 sock_close(sd); |
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507 return -1; |
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508 } |
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509 } |
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510 |
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511 if (waittime >= 0) |
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512 { |
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513 #ifdef _WIN32 |
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514 val = 0; |
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515 ioctlsocket(sd, FIONBIO, &val); |
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516 #else |
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517 (void)fcntl(sd, F_SETFL, 0); |
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518 #endif |
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519 } |
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520 |
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521 /* Only retry for netbeans. TODO: can we use a waittime instead? */ |
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522 if (errno == ECONNREFUSED && close_cb != NULL) |
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523 { |
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524 sock_close(sd); |
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525 if ((sd = (sock_T)socket(AF_INET, SOCK_STREAM, 0)) == (sock_T)-1) |
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526 { |
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527 SOCK_ERRNO; |
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528 ch_log(-1, "socket() retry in channel_open()\n"); |
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529 PERROR("E900: socket() retry in channel_open()"); |
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530 return -1; |
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531 } |
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532 if (connect(sd, (struct sockaddr *)&server, sizeof(server))) |
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533 { |
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534 int retries = 36; |
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535 int success = FALSE; |
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536 |
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537 SOCK_ERRNO; |
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538 while (retries-- && ((errno == ECONNREFUSED) |
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539 || (errno == EINTR))) |
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540 { |
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541 ch_log(-1, "retrying...\n"); |
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542 mch_delay(3000L, TRUE); |
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543 ui_breakcheck(); |
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544 if (got_int) |
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545 { |
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546 errno = EINTR; |
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547 break; |
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548 } |
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549 if (connect(sd, (struct sockaddr *)&server, |
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550 sizeof(server)) == 0) |
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551 { |
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552 success = TRUE; |
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553 break; |
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554 } |
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555 SOCK_ERRNO; |
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556 } |
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557 if (!success) |
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558 { |
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559 /* Get here when the server can't be found. */ |
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560 ch_error(-1, "Cannot connect to port after retry\n"); |
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561 PERROR(_("E899: Cannot connect to port after retry2")); |
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562 sock_close(sd); |
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563 return -1; |
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564 } |
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565 } |
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566 } |
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567 |
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568 channels[ch_idx].ch_sock = sd; |
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569 channels[ch_idx].ch_close_cb = close_cb; |
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570 |
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571 #ifdef FEAT_GUI |
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572 channel_gui_register(ch_idx); |
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573 #endif |
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574 |
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575 return ch_idx; |
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576 } |
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577 |
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578 #if defined(CHANNEL_PIPES) || defined(PROTO) |
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579 void |
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580 channel_set_pipes(int ch_idx, int in, int out, int err) |
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581 { |
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582 channel_T *channel = &channels[ch_idx]; |
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583 |
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584 channel->ch_in = in; |
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585 channel->ch_out = out; |
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586 channel->ch_err = err; |
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587 } |
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588 #endif |
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589 |
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590 void |
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591 channel_set_job(int ch_idx, job_T *job) |
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592 { |
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593 channels[ch_idx].ch_job = job; |
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594 } |
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595 |
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596 /* |
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597 * Set the json mode of channel "ch_idx" to "ch_mode". |
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598 */ |
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599 void |
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600 channel_set_json_mode(int ch_idx, ch_mode_T ch_mode) |
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601 { |
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602 channels[ch_idx].ch_mode = ch_mode; |
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603 } |
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604 |
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605 /* |
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606 * Set the read timeout of channel "ch_idx". |
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607 */ |
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608 void |
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609 channel_set_timeout(int ch_idx, int timeout) |
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610 { |
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611 channels[ch_idx].ch_timeout = timeout; |
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612 } |
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613 |
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614 /* |
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615 * Set the callback for channel "ch_idx". |
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616 */ |
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617 void |
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618 channel_set_callback(int ch_idx, char_u *callback) |
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619 { |
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620 vim_free(channels[ch_idx].ch_callback); |
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621 channels[ch_idx].ch_callback = vim_strsave(callback); |
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622 } |
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623 |
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624 /* |
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625 * Set the callback for channel "ch_idx" for the response with "id". |
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626 */ |
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627 void |
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628 channel_set_req_callback(int ch_idx, char_u *callback, int id) |
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629 { |
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630 cbq_T *cbhead = &channels[ch_idx].ch_cb_head; |
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631 cbq_T *item = (cbq_T *)alloc((int)sizeof(cbq_T)); |
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632 |
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633 if (item != NULL) |
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634 { |
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635 item->callback = vim_strsave(callback); |
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636 item->seq_nr = id; |
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637 item->prev = cbhead->prev; |
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638 cbhead->prev = item; |
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639 item->next = cbhead; |
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640 item->prev->next = item; |
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641 } |
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642 } |
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643 |
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644 /* |
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645 * Invoke the "callback" on channel "ch_idx". |
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646 */ |
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647 static void |
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648 invoke_callback(int ch_idx, char_u *callback, typval_T *argv) |
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649 { |
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650 typval_T rettv; |
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651 int dummy; |
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652 |
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653 argv[0].v_type = VAR_NUMBER; |
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654 argv[0].vval.v_number = ch_idx; |
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655 |
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656 call_func(callback, (int)STRLEN(callback), |
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657 &rettv, 2, argv, 0L, 0L, &dummy, TRUE, NULL); |
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658 /* If an echo command was used the cursor needs to be put back where |
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659 * it belongs. */ |
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660 setcursor(); |
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661 cursor_on(); |
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662 out_flush(); |
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663 } |
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664 |
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665 /* |
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666 * Return the first buffer from the channel and remove it. |
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667 * The caller must free it. |
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668 * Returns NULL if there is nothing. |
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669 */ |
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670 char_u * |
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671 channel_get(int ch_idx) |
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672 { |
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673 readq_T *head = &channels[ch_idx].ch_head; |
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674 readq_T *node; |
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675 char_u *p; |
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676 |
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677 if (head->next == head || head->next == NULL) |
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678 return NULL; |
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679 node = head->next; |
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680 /* dispose of the node but keep the buffer */ |
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681 p = node->buffer; |
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682 head->next = node->next; |
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683 node->next->prev = node->prev; |
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684 vim_free(node); |
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685 return p; |
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686 } |
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687 |
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688 /* |
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689 * Returns the whole buffer contents concatenated. |
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690 */ |
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691 static char_u * |
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692 channel_get_all(int ch_idx) |
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693 { |
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694 /* Concatenate everything into one buffer. |
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695 * TODO: avoid multiple allocations. */ |
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696 while (channel_collapse(ch_idx) == OK) |
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697 ; |
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698 return channel_get(ch_idx); |
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699 } |
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700 |
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701 /* |
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702 * Collapses the first and second buffer in the channel "ch_idx". |
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703 * Returns FAIL if that is not possible. |
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704 */ |
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705 int |
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706 channel_collapse(int ch_idx) |
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707 { |
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708 readq_T *head = &channels[ch_idx].ch_head; |
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709 readq_T *node = head->next; |
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|
710 char_u *p; |
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diff
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|
711 |
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commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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diff
changeset
|
712 if (node == head || node == NULL || node->next == head) |
17e6ff1a74f1
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|
713 return FAIL; |
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parents:
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diff
changeset
|
714 |
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diff
changeset
|
715 p = alloc((unsigned)(STRLEN(node->buffer) |
17e6ff1a74f1
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|
716 + STRLEN(node->next->buffer) + 1)); |
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diff
changeset
|
717 if (p == NULL) |
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|
718 return FAIL; /* out of memory */ |
17e6ff1a74f1
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diff
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|
719 STRCPY(p, node->buffer); |
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|
720 STRCAT(p, node->next->buffer); |
17e6ff1a74f1
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|
721 vim_free(node->next->buffer); |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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diff
changeset
|
722 node->next->buffer = p; |
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commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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|
723 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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|
724 /* dispose of the node and buffer */ |
17e6ff1a74f1
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changeset
|
725 head->next = node->next; |
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changeset
|
726 node->next->prev = node->prev; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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changeset
|
727 vim_free(node->buffer); |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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diff
changeset
|
728 vim_free(node); |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
729 return OK; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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diff
changeset
|
730 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
731 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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|
732 /* |
7899
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|
733 * Use the read buffer of channel "ch_idx" and parse a JSON messages that is |
7868
17e6ff1a74f1
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|
734 * complete. The messages are added to the queue. |
7899
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|
735 * Return TRUE if there is more to read. |
7868
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changeset
|
736 */ |
7899
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changeset
|
737 static int |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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|
738 channel_parse_json(int ch_idx) |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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|
739 { |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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|
740 js_read_T reader; |
17e6ff1a74f1
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changeset
|
741 typval_T listtv; |
17e6ff1a74f1
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|
742 jsonq_T *item; |
7967
45ea5ebf3a98
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|
743 channel_T *channel = &channels[ch_idx]; |
45ea5ebf3a98
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|
744 jsonq_T *head = &channel->ch_json_head; |
7899
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commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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|
745 int ret; |
7868
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changeset
|
746 |
17e6ff1a74f1
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|
747 if (channel_peek(ch_idx) == NULL) |
7899
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748 return FALSE; |
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changeset
|
749 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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|
750 /* TODO: make reader work properly */ |
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|
751 /* reader.js_buf = channel_peek(ch_idx); */ |
17e6ff1a74f1
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changeset
|
752 reader.js_buf = channel_get_all(ch_idx); |
17e6ff1a74f1
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parents:
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changeset
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753 reader.js_used = 0; |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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changeset
|
754 reader.js_fill = NULL; |
7868
17e6ff1a74f1
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changeset
|
755 /* reader.js_fill = channel_fill; */ |
17e6ff1a74f1
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changeset
|
756 reader.js_cookie = &ch_idx; |
7967
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|
757 ret = json_decode(&reader, &listtv, |
45ea5ebf3a98
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|
758 channel->ch_mode == MODE_JS ? JSON_JS : 0); |
7899
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diff
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|
759 if (ret == OK) |
7868
17e6ff1a74f1
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diff
changeset
|
760 { |
7937
2e905dfc6999
commit https://github.com/vim/vim/commit/6076fe1986255d32b7a078a28bf9e7bea19d6f30
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changeset
|
761 /* Only accept the response when it is a list with at least two |
2e905dfc6999
commit https://github.com/vim/vim/commit/6076fe1986255d32b7a078a28bf9e7bea19d6f30
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changeset
|
762 * items. */ |
2e905dfc6999
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Christian Brabandt <cb@256bit.org>
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changeset
|
763 if (listtv.v_type != VAR_LIST || listtv.vval.v_list->lv_len < 2) |
7899
93c61501c2cf
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|
764 { |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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diff
changeset
|
765 /* TODO: give error */ |
7868
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diff
changeset
|
766 clear_tv(&listtv); |
7899
93c61501c2cf
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diff
changeset
|
767 } |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
768 else |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
769 { |
7899
93c61501c2cf
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diff
changeset
|
770 item = (jsonq_T *)alloc((unsigned)sizeof(jsonq_T)); |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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parents:
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diff
changeset
|
771 if (item == NULL) |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
772 clear_tv(&listtv); |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
773 else |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
774 { |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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diff
changeset
|
775 item->value = alloc_tv(); |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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parents:
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diff
changeset
|
776 if (item->value == NULL) |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
777 { |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
778 vim_free(item); |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
779 clear_tv(&listtv); |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
780 } |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
781 else |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
782 { |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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parents:
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diff
changeset
|
783 *item->value = listtv; |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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diff
changeset
|
784 item->prev = head->prev; |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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diff
changeset
|
785 head->prev = item; |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
786 item->next = head; |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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parents:
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diff
changeset
|
787 item->prev->next = item; |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
788 } |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
789 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
790 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
791 } |
7885
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
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parents:
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diff
changeset
|
792 |
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
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diff
changeset
|
793 /* Put the unread part back into the channel. |
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
794 * TODO: insert in front */ |
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
795 if (reader.js_buf[reader.js_used] != NUL) |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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parents:
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diff
changeset
|
796 { |
7885
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
797 channel_save(ch_idx, reader.js_buf + reader.js_used, |
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
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parents:
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diff
changeset
|
798 (int)(reader.js_end - reader.js_buf) - reader.js_used); |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
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changeset
|
799 ret = TRUE; |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
800 } |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
801 else |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
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changeset
|
802 ret = FALSE; |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
803 |
7885
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
804 vim_free(reader.js_buf); |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
805 return ret; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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diff
changeset
|
806 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
807 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
808 /* |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
809 * Remove "node" from the queue that it is in and free it. |
7933
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
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diff
changeset
|
810 * Also frees the contained callback name. |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
811 */ |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
812 static void |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
813 remove_cb_node(cbq_T *node) |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
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parents:
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diff
changeset
|
814 { |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
815 node->prev->next = node->next; |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
816 node->next->prev = node->prev; |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
817 vim_free(node->callback); |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
818 vim_free(node); |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
819 } |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
820 |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
821 /* |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
822 * Remove "node" from the queue that it is in and free it. |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
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changeset
|
823 * Caller should have freed or used node->value. |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
824 */ |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
825 static void |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
826 remove_json_node(jsonq_T *node) |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
827 { |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
828 node->prev->next = node->next; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
829 node->next->prev = node->prev; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
830 vim_free(node); |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
831 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
832 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
833 /* |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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changeset
|
834 * Get a message from the JSON queue for channel "ch_idx". |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
835 * When "id" is positive it must match the first number in the list. |
7997
c1c9ab17e197
commit https://github.com/vim/vim/commit/e56bf15c163a921ce9e1c09c0d5b3a03efc63324
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
836 * When "id" is zero or negative jut get the first message. But not the one |
c1c9ab17e197
commit https://github.com/vim/vim/commit/e56bf15c163a921ce9e1c09c0d5b3a03efc63324
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
837 * with id ch_block_id. |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
838 * Return OK when found and return the value in "rettv". |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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changeset
|
839 * Return FAIL otherwise. |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
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|
840 */ |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
841 static int |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
842 channel_get_json(int ch_idx, int id, typval_T **rettv) |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
843 { |
7997
c1c9ab17e197
commit https://github.com/vim/vim/commit/e56bf15c163a921ce9e1c09c0d5b3a03efc63324
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
844 channel_T *channel = &channels[ch_idx]; |
c1c9ab17e197
commit https://github.com/vim/vim/commit/e56bf15c163a921ce9e1c09c0d5b3a03efc63324
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parents:
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changeset
|
845 jsonq_T *head = &channel->ch_json_head; |
c1c9ab17e197
commit https://github.com/vim/vim/commit/e56bf15c163a921ce9e1c09c0d5b3a03efc63324
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
846 jsonq_T *item = head->next; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
847 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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changeset
|
848 while (item != head) |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
849 { |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
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changeset
|
850 list_T *l = item->value->vval.v_list; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
851 typval_T *tv = &l->lv_first->li_tv; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
852 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
853 if ((id > 0 && tv->v_type == VAR_NUMBER && tv->vval.v_number == id) |
7997
c1c9ab17e197
commit https://github.com/vim/vim/commit/e56bf15c163a921ce9e1c09c0d5b3a03efc63324
Christian Brabandt <cb@256bit.org>
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|
854 || (id <= 0 && (tv->v_type != VAR_NUMBER |
8009
b2cfa3416ba0
commit https://github.com/vim/vim/commit/f6157284de71d8881f3b89fbd79d1ecbf842929f
Christian Brabandt <cb@256bit.org>
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|
855 || tv->vval.v_number == 0 |
7997
c1c9ab17e197
commit https://github.com/vim/vim/commit/e56bf15c163a921ce9e1c09c0d5b3a03efc63324
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
856 || tv->vval.v_number != channel->ch_block_id))) |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
857 { |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
858 *rettv = item->value; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
859 remove_json_node(item); |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
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changeset
|
860 return OK; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
861 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
862 item = item->next; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
863 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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changeset
|
864 return FAIL; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
865 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
866 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
867 /* |
8031
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
868 * Execute a command received over channel "ch_idx". |
7864
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
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parents:
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diff
changeset
|
869 * "cmd" is the command string, "arg2" the second argument. |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
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parents:
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diff
changeset
|
870 * "arg3" is the third argument, NULL if missing. |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
871 */ |
7840
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
872 static void |
8031
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
873 channel_exe_cmd(int ch_idx, char_u *cmd, typval_T *arg2, typval_T *arg3) |
7840
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
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diff
changeset
|
874 { |
7864
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
875 char_u *arg; |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
876 |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
877 if (arg2->v_type != VAR_STRING) |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
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parents:
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diff
changeset
|
878 { |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
879 if (p_verbose > 2) |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
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parents:
7840
diff
changeset
|
880 EMSG("E903: received ex command with non-string argument"); |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
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changeset
|
881 return; |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
882 } |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
883 arg = arg2->vval.v_string; |
7872
4b9d4600166f
commit https://github.com/vim/vim/commit/14ad611ca435d97e8fd0d9ab03ddc982843298ac
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
884 if (arg == NULL) |
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|
885 arg = (char_u *)""; |
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|
886 |
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|
887 if (STRCMP(cmd, "ex") == 0) |
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|
888 { |
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|
889 do_cmdline_cmd(arg); |
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|
890 } |
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|
891 else if (STRCMP(cmd, "normal") == 0) |
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892 { |
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|
893 exarg_T ea; |
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|
894 |
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|
895 ea.arg = arg; |
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|
896 ea.addr_count = 0; |
6b0891de44a9
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897 ea.forceit = TRUE; /* no mapping */ |
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changeset
|
898 ex_normal(&ea); |
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899 } |
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|
900 else if (STRCMP(cmd, "redraw") == 0) |
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|
901 { |
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|
902 exarg_T ea; |
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|
903 |
7872
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|
904 ea.forceit = *arg != NUL; |
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|
905 ex_redraw(&ea); |
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|
906 showruler(FALSE); |
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907 setcursor(); |
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|
908 out_flush(); |
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|
909 #ifdef FEAT_GUI |
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|
910 if (gui.in_use) |
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|
911 { |
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|
912 gui_update_cursor(FALSE, FALSE); |
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|
913 gui_mch_flush(); |
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|
914 } |
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|
915 #endif |
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|
916 } |
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917 else if (STRCMP(cmd, "expr") == 0 || STRCMP(cmd, "eval") == 0) |
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918 { |
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commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
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|
919 int is_eval = cmd[1] == 'v'; |
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|
920 |
7918
ce5a7a613867
commit https://github.com/vim/vim/commit/66624ff0d9e1de2fc5eb4f95f3a3a2ed70b10138
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parents:
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|
921 if (is_eval && (arg3 == NULL || arg3->v_type != VAR_NUMBER)) |
7864
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|
922 { |
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|
923 if (p_verbose > 2) |
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|
924 EMSG("E904: third argument for eval must be a number"); |
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|
925 } |
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commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
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|
926 else |
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|
927 { |
7906
ea1fd8d750a6
commit https://github.com/vim/vim/commit/fcb1e3d16832ce06da0dc38ecb7ab9aaa3ee4383
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|
928 typval_T *tv; |
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|
929 typval_T err_tv; |
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|
930 char_u *json = NULL; |
8031
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|
931 channel_T *channel = &channels[ch_idx]; |
7967
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|
932 int options = channel->ch_mode == MODE_JS ? JSON_JS : 0; |
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|
933 |
7906
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|
934 /* Don't pollute the display with errors. */ |
ea1fd8d750a6
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|
935 ++emsg_skip; |
ea1fd8d750a6
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|
936 tv = eval_expr(arg, NULL); |
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|
937 if (is_eval) |
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|
938 { |
7965
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changeset
|
939 if (tv != NULL) |
7967
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|
940 json = json_encode_nr_expr(arg3->vval.v_number, tv, |
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|
941 options); |
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|
942 if (tv == NULL || (json != NULL && *json == NUL)) |
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|
943 { |
7965
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diff
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|
944 /* If evaluation failed or the result can't be encoded |
646d5148fee2
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|
945 * then return the string "ERROR". */ |
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|
946 err_tv.v_type = VAR_STRING; |
6b0891de44a9
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|
947 err_tv.vval.v_string = (char_u *)"ERROR"; |
6b0891de44a9
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|
948 tv = &err_tv; |
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changeset
|
949 json = json_encode_nr_expr(arg3->vval.v_number, tv, |
45ea5ebf3a98
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Christian Brabandt <cb@256bit.org>
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|
950 options); |
7864
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commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
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parents:
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diff
changeset
|
951 } |
7965
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parents:
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diff
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|
952 if (json != NULL) |
646d5148fee2
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parents:
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diff
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|
953 { |
8031
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changeset
|
954 channel_send(ch_idx, json, "eval"); |
7965
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
955 vim_free(json); |
646d5148fee2
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
956 } |
7840
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parents:
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|
957 } |
7965
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diff
changeset
|
958 --emsg_skip; |
7906
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diff
changeset
|
959 if (tv != &err_tv) |
ea1fd8d750a6
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parents:
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diff
changeset
|
960 free_tv(tv); |
7840
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diff
changeset
|
961 } |
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
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parents:
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diff
changeset
|
962 } |
28f569c7dab9
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
963 else if (p_verbose > 2) |
7864
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parents:
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diff
changeset
|
964 EMSG2("E905: received unknown command: %s", cmd); |
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diff
changeset
|
965 } |
28f569c7dab9
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
966 |
28f569c7dab9
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parents:
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diff
changeset
|
967 /* |
8031
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parents:
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diff
changeset
|
968 * Invoke a callback for channel "ch_idx" if needed. |
7885
6e6f829af138
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parents:
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diff
changeset
|
969 * Return OK when a message was handled, there might be another one. |
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diff
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|
970 */ |
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|
971 static int |
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972 may_invoke_callback(int ch_idx) |
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973 { |
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974 char_u *msg = NULL; |
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|
975 typval_T *listtv = NULL; |
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976 list_T *list; |
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977 typval_T *typetv; |
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978 typval_T argv[3]; |
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979 int seq_nr = -1; |
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980 channel_T *channel = &channels[ch_idx]; |
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981 ch_mode_T ch_mode = channel->ch_mode; |
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982 |
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983 if (channel->ch_close_cb != NULL) |
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984 /* this channel is handled elsewhere (netbeans) */ |
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985 return FALSE; |
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986 |
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987 if (ch_mode != MODE_RAW) |
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988 { |
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989 /* Get any json message in the queue. */ |
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990 if (channel_get_json(ch_idx, -1, &listtv) == FAIL) |
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991 { |
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992 /* Parse readahead, return when there is still no message. */ |
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993 channel_parse_json(ch_idx); |
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994 if (channel_get_json(ch_idx, -1, &listtv) == FAIL) |
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995 return FALSE; |
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996 } |
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997 |
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998 list = listtv->vval.v_list; |
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999 argv[1] = list->lv_first->li_next->li_tv; |
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1000 typetv = &list->lv_first->li_tv; |
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1001 if (typetv->v_type == VAR_STRING) |
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1002 { |
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1003 typval_T *arg3 = NULL; |
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1004 char_u *cmd = typetv->vval.v_string; |
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1005 |
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1006 /* ["cmd", arg] or ["cmd", arg, arg] */ |
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1007 if (list->lv_len == 3) |
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1008 arg3 = &list->lv_last->li_tv; |
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1009 ch_logs(ch_idx, "Executing %s command", (char *)cmd); |
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1010 channel_exe_cmd(ch_idx, cmd, &argv[1], arg3); |
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1011 clear_tv(listtv); |
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1012 return TRUE; |
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1013 } |
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1014 |
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1015 if (typetv->v_type != VAR_NUMBER) |
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1016 { |
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1017 ch_error(ch_idx, |
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1018 "Dropping message with invalid sequence number type\n"); |
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1019 clear_tv(listtv); |
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1020 return FALSE; |
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1021 } |
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1022 seq_nr = typetv->vval.v_number; |
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1023 } |
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1024 else if (channel_peek(ch_idx) == NULL) |
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1025 { |
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1026 /* nothing to read on raw channel */ |
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1027 return FALSE; |
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1028 } |
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1029 else |
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1030 { |
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1031 /* If there is no callback, don't do anything. */ |
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1032 if (channel->ch_callback == NULL) |
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1033 return FALSE; |
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1034 |
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1035 /* For a raw channel we don't know where the message ends, just get |
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1036 * everything. */ |
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1037 msg = channel_get_all(ch_idx); |
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1038 argv[1].v_type = VAR_STRING; |
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1039 argv[1].vval.v_string = msg; |
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1040 } |
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1041 |
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1042 if (seq_nr > 0) |
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1043 { |
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1044 cbq_T *cbhead = &channel->ch_cb_head; |
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1045 cbq_T *cbitem = cbhead->next; |
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1046 int done = FALSE; |
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1047 |
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|
1048 /* invoke the one-time callback with the matching nr */ |
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1049 while (cbitem != cbhead) |
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1050 { |
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1051 if (cbitem->seq_nr == seq_nr) |
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1052 { |
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1053 ch_log(ch_idx, "Invoking one-time callback\n"); |
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1054 invoke_callback(ch_idx, cbitem->callback, argv); |
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|
1055 remove_cb_node(cbitem); |
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1056 done = TRUE; |
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1057 break; |
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1058 } |
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1059 cbitem = cbitem->next; |
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1060 } |
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1061 if (!done) |
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1062 ch_log(ch_idx, "Dropping message without callback\n"); |
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1063 } |
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1064 else if (channel->ch_callback != NULL) |
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1065 { |
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|
1066 /* invoke the channel callback */ |
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1067 ch_log(ch_idx, "Invoking channel callback\n"); |
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1068 invoke_callback(ch_idx, channel->ch_callback, argv); |
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1069 } |
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1070 else |
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1071 ch_log(ch_idx, "Dropping message\n"); |
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1072 |
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1073 if (listtv != NULL) |
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1074 clear_tv(listtv); |
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1075 vim_free(msg); |
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1076 |
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1077 return TRUE; |
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1078 } |
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1079 |
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1080 /* |
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1081 * Return TRUE when channel "ch_idx" is open for writing to. |
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1082 * Also returns FALSE or invalid "ch_idx". |
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1083 */ |
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1084 int |
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1085 channel_can_write_to(int ch_idx) |
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1086 { |
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1087 return ch_idx >= 0 && ch_idx < channel_count |
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1088 && (channels[ch_idx].ch_sock >= 0 |
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1089 #ifdef CHANNEL_PIPES |
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1090 || channels[ch_idx].ch_in >= 0 |
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1091 #endif |
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1092 ); |
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1093 } |
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1094 |
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1095 /* |
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1096 * Return TRUE when channel "ch_idx" is open for reading or writing. |
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1097 * Also returns FALSE or invalid "ch_idx". |
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1098 */ |
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1099 int |
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1100 channel_is_open(int ch_idx) |
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1101 { |
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1102 return ch_idx >= 0 && ch_idx < channel_count |
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1103 && (channels[ch_idx].ch_sock >= 0 |
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1104 #ifdef CHANNEL_PIPES |
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1105 || channels[ch_idx].ch_in >= 0 |
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1106 || channels[ch_idx].ch_out >= 0 |
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1107 || channels[ch_idx].ch_err >= 0 |
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1108 #endif |
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1109 ); |
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1110 } |
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1111 |
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1112 /* |
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1113 * Close channel "ch_idx". |
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1114 * This does not trigger the close callback. |
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1115 */ |
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1116 void |
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1117 channel_close(int ch_idx) |
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1118 { |
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1119 channel_T *channel = &channels[ch_idx]; |
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1120 jsonq_T *jhead; |
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1121 cbq_T *cbhead; |
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1122 |
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1123 if (channel->ch_sock >= 0) |
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1124 { |
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1125 sock_close(channel->ch_sock); |
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1126 channel->ch_sock = -1; |
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1127 channel->ch_close_cb = NULL; |
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1128 #ifdef FEAT_GUI |
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1129 channel_gui_unregister(ch_idx); |
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1130 #endif |
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1131 vim_free(channel->ch_callback); |
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1132 channel->ch_callback = NULL; |
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1133 channel->ch_timeout = 2000; |
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1134 |
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1135 while (channel_peek(ch_idx) != NULL) |
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1136 vim_free(channel_get(ch_idx)); |
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1137 |
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1138 cbhead = &channel->ch_cb_head; |
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1139 while (cbhead->next != cbhead) |
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1140 remove_cb_node(cbhead->next); |
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1141 |
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1142 jhead = &channel->ch_json_head; |
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1143 while (jhead->next != jhead) |
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1144 { |
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|
1145 clear_tv(jhead->next->value); |
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1146 remove_json_node(jhead->next); |
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1147 } |
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1148 } |
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1149 #if defined(CHANNEL_PIPES) |
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1150 if (channel->ch_in >= 0) |
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1151 { |
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1152 close(channel->ch_in); |
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1153 channel->ch_in = -1; |
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1154 } |
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1155 if (channel->ch_out >= 0) |
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1156 { |
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|
1157 close(channel->ch_out); |
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1158 channel->ch_out = -1; |
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1159 } |
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1160 if (channel->ch_err >= 0) |
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1161 { |
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1162 close(channel->ch_err); |
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1163 channel->ch_err = -1; |
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1164 } |
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1165 #endif |
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1166 } |
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1167 |
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1168 /* |
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1169 * Store "buf[len]" on channel "ch_idx". |
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1170 * Returns OK or FAIL. |
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1171 */ |
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1172 int |
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1173 channel_save(int ch_idx, char_u *buf, int len) |
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1174 { |
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1175 readq_T *node; |
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1176 readq_T *head = &channels[ch_idx].ch_head; |
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1177 |
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1178 node = (readq_T *)alloc(sizeof(readq_T)); |
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1179 if (node == NULL) |
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1180 return FAIL; /* out of memory */ |
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1181 node->buffer = alloc(len + 1); |
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1182 if (node->buffer == NULL) |
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1183 { |
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1184 vim_free(node); |
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1185 return FAIL; /* out of memory */ |
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1186 } |
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1187 mch_memmove(node->buffer, buf, (size_t)len); |
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1188 node->buffer[len] = NUL; |
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1189 |
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1190 /* insert node at tail of queue */ |
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1191 node->next = head; |
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1192 node->prev = head->prev; |
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1193 head->prev->next = node; |
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1194 head->prev = node; |
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1195 |
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1196 if (log_fd != NULL) |
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1197 { |
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1198 ch_log_lead("RECV ", ch_idx); |
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1199 fprintf(log_fd, "'"); |
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1200 if (fwrite(buf, len, 1, log_fd) != 1) |
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1201 return FAIL; |
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1202 fprintf(log_fd, "'\n"); |
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1203 } |
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1204 return OK; |
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1205 } |
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1206 |
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1207 /* |
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1208 * Return the first buffer from the channel without removing it. |
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1209 * Returns NULL if there is nothing. |
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1210 */ |
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1211 char_u * |
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1212 channel_peek(int ch_idx) |
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1213 { |
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1214 readq_T *head = &channels[ch_idx].ch_head; |
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1215 |
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1216 if (head->next == head || head->next == NULL) |
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1217 return NULL; |
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1218 return head->next->buffer; |
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1219 } |
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1220 |
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1221 /* |
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1222 * Clear the read buffer on channel "ch_idx". |
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1223 */ |
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1224 void |
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1225 channel_clear(int ch_idx) |
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1226 { |
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1227 readq_T *head = &channels[ch_idx].ch_head; |
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1228 readq_T *node = head->next; |
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1229 readq_T *next; |
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1230 |
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1231 while (node != NULL && node != head) |
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1232 { |
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1233 next = node->next; |
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1234 vim_free(node->buffer); |
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1235 vim_free(node); |
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1236 if (next == head) |
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1237 { |
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1238 head->next = head; |
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1239 head->prev = head; |
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1240 break; |
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1241 } |
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1242 node = next; |
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1243 } |
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1244 } |
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1245 |
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1246 /* Sent when the channel is found closed when reading. */ |
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1247 #define DETACH_MSG "\"DETACH\"\n" |
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1248 |
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1249 /* Buffer size for reading incoming messages. */ |
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1250 #define MAXMSGSIZE 4096 |
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1251 |
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1252 /* |
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1253 * Check for reading from "fd" with "timeout" msec. |
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1254 * Return FAIL when there is nothing to read. |
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1255 * Always returns OK for FEAT_GUI_W32. |
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1256 */ |
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1257 static int |
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1258 channel_wait(int ch_idx, int fd, int timeout) |
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1259 { |
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1260 #if defined(HAVE_SELECT) && !defined(FEAT_GUI_W32) |
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1261 struct timeval tval; |
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1262 fd_set rfds; |
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1263 int ret; |
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1264 |
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1265 if (timeout > 0) |
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1266 ch_logn(ch_idx, "Waiting for %d msec\n", timeout); |
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1267 FD_ZERO(&rfds); |
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1268 FD_SET(fd, &rfds); |
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1269 tval.tv_sec = timeout / 1000; |
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1270 tval.tv_usec = (timeout % 1000) * 1000; |
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1271 for (;;) |
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1272 { |
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1273 ret = select(fd + 1, &rfds, NULL, NULL, &tval); |
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1274 # ifdef EINTR |
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1275 if (ret == -1 && errno == EINTR) |
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1276 continue; |
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1277 # endif |
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1278 if (ret <= 0) |
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1279 { |
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1280 ch_log(ch_idx, "Nothing to read\n"); |
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1281 return FAIL; |
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1282 } |
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1283 break; |
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1284 } |
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1285 #else |
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1286 # ifdef HAVE_POLL |
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1287 struct pollfd fds; |
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1288 |
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1289 if (timeout > 0) |
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1290 ch_logn(ch_idx, "Waiting for %d msec\n", timeout); |
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1291 fds.fd = fd; |
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1292 fds.events = POLLIN; |
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1293 if (poll(&fds, 1, timeout) <= 0) |
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1294 { |
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1295 ch_log(ch_idx, "Nothing to read\n"); |
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1296 return FAIL; |
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1297 } |
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1298 # endif |
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1299 #endif |
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1300 return OK; |
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1301 } |
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1302 |
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1303 /* |
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1304 * Return a unique ID to be used in a message. |
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1305 */ |
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1306 int |
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1307 channel_get_id(void) |
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1308 { |
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1309 static int next_id = 1; |
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1310 |
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1311 return next_id++; |
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1312 } |
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1313 |
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1314 /* |
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1315 * Get the file descriptor to read from, either the socket or stdout. |
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1316 */ |
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1317 static int |
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1318 get_read_fd(int ch_idx, int use_stderr) |
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1319 { |
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1320 channel_T *channel = &channels[ch_idx]; |
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1321 |
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1322 if (channel->ch_sock >= 0) |
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1323 return channel->ch_sock; |
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1324 #if defined(CHANNEL_PIPES) |
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1325 if (!use_stderr && channel->ch_out >= 0) |
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1326 return channel->ch_out; |
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1327 if (use_stderr && channel->ch_err >= 0) |
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1328 return channel->ch_err; |
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1329 #endif |
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1330 ch_error(ch_idx, "channel_read() called while socket is closed\n"); |
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1331 return -1; |
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1332 } |
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1333 |
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1334 /* |
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1335 * Read from channel "ch_idx" for as long as there is something to read. |
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1336 * The data is put in the read queue. |
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1337 */ |
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1338 void |
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1339 channel_read(int ch_idx, int use_stderr, char *func) |
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1340 { |
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1341 channel_T *channel = &channels[ch_idx]; |
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1342 static char_u *buf = NULL; |
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1343 int len = 0; |
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1344 int readlen = 0; |
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1345 int fd; |
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1346 int use_socket = FALSE; |
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1347 |
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1348 fd = get_read_fd(ch_idx, use_stderr); |
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1349 if (fd < 0) |
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1350 return; |
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1351 use_socket = channel->ch_sock >= 0; |
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1352 |
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1353 /* Allocate a buffer to read into. */ |
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1354 if (buf == NULL) |
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1355 { |
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1356 buf = alloc(MAXMSGSIZE); |
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1357 if (buf == NULL) |
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1358 return; /* out of memory! */ |
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1359 } |
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1360 |
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1361 /* Keep on reading for as long as there is something to read. |
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1362 * Use select() or poll() to avoid blocking on a message that is exactly |
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1363 * MAXMSGSIZE long. */ |
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1364 for (;;) |
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1365 { |
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1366 if (channel_wait(ch_idx, fd, 0) == FAIL) |
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1367 break; |
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1368 if (use_socket) |
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1369 len = sock_read(fd, buf, MAXMSGSIZE); |
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1370 else |
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1371 len = read(fd, buf, MAXMSGSIZE); |
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1372 if (len <= 0) |
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1373 break; /* error or nothing more to read */ |
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1374 |
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1375 /* Store the read message in the queue. */ |
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1376 channel_save(ch_idx, buf, len); |
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1377 readlen += len; |
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1378 if (len < MAXMSGSIZE) |
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1379 break; /* did read everything that's available */ |
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1380 } |
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1381 #ifdef FEAT_GUI_W32 |
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1382 if (use_socket && len == SOCKET_ERROR) |
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1383 { |
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1384 /* For Win32 GUI channel_wait() always returns OK and we handle the |
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1385 * situation that there is nothing to read here. |
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1386 * TODO: how about a timeout? */ |
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1387 if (WSAGetLastError() == WSAEWOULDBLOCK) |
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1388 return; |
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1389 } |
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1390 #endif |
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1391 |
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1392 /* Reading a socket disconnection (readlen == 0), or a socket error. */ |
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1393 if (readlen <= 0) |
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1394 { |
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1395 /* Queue a "DETACH" netbeans message in the command queue in order to |
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1396 * terminate the netbeans session later. Do not end the session here |
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1397 * directly as we may be running in the context of a call to |
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1398 * netbeans_parse_messages(): |
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1399 * netbeans_parse_messages |
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1400 * -> autocmd triggered while processing the netbeans cmd |
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1401 * -> ui_breakcheck |
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1402 * -> gui event loop or select loop |
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1403 * -> channel_read() |
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1404 */ |
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1405 ch_errors(ch_idx, "%s(): Cannot read\n", func); |
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1406 channel_save(ch_idx, (char_u *)DETACH_MSG, (int)STRLEN(DETACH_MSG)); |
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1407 |
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1408 if (use_socket) |
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1409 { |
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1410 channel_close(ch_idx); |
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1411 if (channel->ch_close_cb != NULL) |
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1412 (*channel->ch_close_cb)(); |
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1413 } |
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1414 #if defined(CHANNEL_PIPES) |
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1415 else |
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1416 { |
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1417 close(fd); |
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1418 channel->ch_out = -1; |
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1419 } |
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1420 #endif |
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1421 |
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1422 if (len < 0) |
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1423 { |
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1424 ch_error(ch_idx, "channel_read(): cannot read from channel\n"); |
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1425 PERROR(_("E896: read from channel")); |
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1426 } |
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1427 } |
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1428 |
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1429 #if defined(CH_HAS_GUI) && defined(FEAT_GUI_GTK) |
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1430 /* signal the main loop that there is something to read */ |
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1431 if (CH_HAS_GUI && gtk_main_level() > 0) |
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1432 gtk_main_quit(); |
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1433 #endif |
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1434 } |
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1435 |
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1436 /* |
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1437 * Read from raw channel "ch_idx". Blocks until there is something to read or |
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1438 * the timeout expires. |
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1439 * Returns what was read in allocated memory. |
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1440 * Returns NULL in case of error or timeout. |
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1441 */ |
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1442 char_u * |
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1443 channel_read_block(int ch_idx) |
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1444 { |
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1445 ch_log(ch_idx, "Reading raw\n"); |
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1446 if (channel_peek(ch_idx) == NULL) |
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1447 { |
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1448 int fd = get_read_fd(ch_idx, FALSE); |
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1449 |
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1450 ch_log(ch_idx, "No readahead\n"); |
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1451 /* Wait for up to the channel timeout. */ |
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1452 if (fd < 0 || channel_wait(ch_idx, fd, |
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1453 channels[ch_idx].ch_timeout) == FAIL) |
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1454 return NULL; |
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1455 channel_read(ch_idx, FALSE, "channel_read_block"); |
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1456 } |
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1457 |
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1458 /* TODO: only get the first message */ |
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1459 ch_log(ch_idx, "Returning readahead\n"); |
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1460 return channel_get_all(ch_idx); |
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1461 } |
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1462 |
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1463 /* |
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1464 * Read one JSON message from channel "ch_idx" with ID "id" and store the |
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1465 * result in "rettv". |
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1466 * Blocks until the message is received or the timeout is reached. |
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1467 */ |
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1468 int |
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1469 channel_read_json_block(int ch_idx, int id, typval_T **rettv) |
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1470 { |
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1471 int more; |
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1472 channel_T *channel = &channels[ch_idx]; |
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1473 int fd; |
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1474 |
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1475 ch_log(ch_idx, "Reading JSON\n"); |
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1476 channel->ch_block_id = id; |
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1477 for (;;) |
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1478 { |
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1479 more = channel_parse_json(ch_idx); |
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1480 |
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1481 /* search for messsage "id" */ |
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1482 if (channel_get_json(ch_idx, id, rettv) == OK) |
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1483 { |
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1484 channel->ch_block_id = 0; |
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1485 return OK; |
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1486 } |
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1487 |
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1488 if (!more) |
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1489 { |
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1490 /* Handle any other messages in the queue. If done some more |
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1491 * messages may have arrived. */ |
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1492 if (channel_parse_messages()) |
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1493 continue; |
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1494 |
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1495 /* Wait for up to the channel timeout. */ |
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1496 fd = get_read_fd(ch_idx, FALSE); |
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|
1497 if (fd < 0 || channel_wait(ch_idx, fd, channel->ch_timeout) == FAIL) |
7899
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diff
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|
1498 break; |
8031
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diff
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|
1499 channel_read(ch_idx, FALSE, "channel_read_json_block"); |
7899
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commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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diff
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|
1500 } |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1501 } |
7997
c1c9ab17e197
commit https://github.com/vim/vim/commit/e56bf15c163a921ce9e1c09c0d5b3a03efc63324
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parents:
7988
diff
changeset
|
1502 channel->ch_block_id = 0; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1503 return FAIL; |
7788
192ae655ac91
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1504 } |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1505 |
7797
0d46cea25641
commit https://github.com/vim/vim/commit/f12d983deab06b0408781d7a6c2f8970d765b723
Christian Brabandt <cb@256bit.org>
parents:
7795
diff
changeset
|
1506 # if defined(WIN32) || defined(PROTO) |
7780
e09af43f98f7
commit https://github.com/vim/vim/commit/85be35f33ea848b50e84d57321a45ebfedfad669
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1507 /* |
e09af43f98f7
commit https://github.com/vim/vim/commit/85be35f33ea848b50e84d57321a45ebfedfad669
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diff
changeset
|
1508 * Lookup the channel index from the socket. |
e09af43f98f7
commit https://github.com/vim/vim/commit/85be35f33ea848b50e84d57321a45ebfedfad669
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1509 * Returns -1 when the socket isn't found. |
e09af43f98f7
commit https://github.com/vim/vim/commit/85be35f33ea848b50e84d57321a45ebfedfad669
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1510 */ |
e09af43f98f7
commit https://github.com/vim/vim/commit/85be35f33ea848b50e84d57321a45ebfedfad669
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1511 int |
8031
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1512 channel_fd2idx(sock_T fd) |
7780
e09af43f98f7
commit https://github.com/vim/vim/commit/85be35f33ea848b50e84d57321a45ebfedfad669
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diff
changeset
|
1513 { |
e09af43f98f7
commit https://github.com/vim/vim/commit/85be35f33ea848b50e84d57321a45ebfedfad669
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1514 int i; |
e09af43f98f7
commit https://github.com/vim/vim/commit/85be35f33ea848b50e84d57321a45ebfedfad669
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1515 |
e09af43f98f7
commit https://github.com/vim/vim/commit/85be35f33ea848b50e84d57321a45ebfedfad669
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1516 if (fd >= 0) |
e09af43f98f7
commit https://github.com/vim/vim/commit/85be35f33ea848b50e84d57321a45ebfedfad669
Christian Brabandt <cb@256bit.org>
parents:
7774
diff
changeset
|
1517 for (i = 0; i < channel_count; ++i) |
8031
ece323e2b57f
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Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
1518 if (channels[i].ch_sock == fd |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1519 # if defined(CHANNEL_PIPES) |
ece323e2b57f
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Christian Brabandt <cb@256bit.org>
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diff
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|
1520 || channels[i].ch_out == fd |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1521 || channels[i].ch_err == fd |
ece323e2b57f
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Christian Brabandt <cb@256bit.org>
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|
1522 # endif |
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commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1523 ) |
7780
e09af43f98f7
commit https://github.com/vim/vim/commit/85be35f33ea848b50e84d57321a45ebfedfad669
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1524 return i; |
e09af43f98f7
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1525 return -1; |
e09af43f98f7
commit https://github.com/vim/vim/commit/85be35f33ea848b50e84d57321a45ebfedfad669
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1526 } |
e09af43f98f7
commit https://github.com/vim/vim/commit/85be35f33ea848b50e84d57321a45ebfedfad669
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1527 # endif |
e09af43f98f7
commit https://github.com/vim/vim/commit/85be35f33ea848b50e84d57321a45ebfedfad669
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1528 |
7770
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1529 /* |
8031
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
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diff
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|
1530 * Write "buf" (NUL terminated string) to channel "ch_idx". |
7770
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1531 * When "fun" is not NULL an error message might be given. |
7788
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1532 * Return FAIL or OK. |
7770
42c1a4e63d12
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1533 */ |
7788
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
7780
diff
changeset
|
1534 int |
8031
ece323e2b57f
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1535 channel_send(int ch_idx, char_u *buf, char *fun) |
7770
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1536 { |
8031
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commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1537 channel_T *channel = &channels[ch_idx]; |
7770
42c1a4e63d12
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1538 int len = (int)STRLEN(buf); |
8031
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1539 int res; |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1540 int fd; |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1541 int use_socket = FALSE; |
7770
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1542 |
8031
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1543 if (channel->ch_sock >= 0) |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
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changeset
|
1544 { |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1545 fd = channel->ch_sock; |
ece323e2b57f
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1546 use_socket = TRUE; |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1547 } |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
8009
diff
changeset
|
1548 #if defined(CHANNEL_PIPES) |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1549 else if (channel->ch_in >= 0) |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1550 fd = channel->ch_in; |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1551 #endif |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1552 if (fd < 0) |
7770
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1553 { |
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents:
7743
diff
changeset
|
1554 if (!channel->ch_error && fun != NULL) |
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1555 { |
8031
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1556 ch_errors(ch_idx, "%s(): write while not connected\n", fun); |
7770
42c1a4e63d12
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1557 EMSG2("E630: %s(): write while not connected", fun); |
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents:
7743
diff
changeset
|
1558 } |
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents:
7743
diff
changeset
|
1559 channel->ch_error = TRUE; |
7788
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1560 return FAIL; |
7770
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents:
7743
diff
changeset
|
1561 } |
7788
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
7780
diff
changeset
|
1562 |
8031
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
8009
diff
changeset
|
1563 if (log_fd != NULL) |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1564 { |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
8009
diff
changeset
|
1565 ch_log_lead("SEND ", ch_idx); |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1566 fprintf(log_fd, "'"); |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1567 ignored = fwrite(buf, len, 1, log_fd); |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
8009
diff
changeset
|
1568 fprintf(log_fd, "'\n"); |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
8009
diff
changeset
|
1569 fflush(log_fd); |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1570 } |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1571 |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
8009
diff
changeset
|
1572 if (use_socket) |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1573 res = sock_write(fd, buf, len); |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1574 else |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1575 res = write(fd, buf, len); |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1576 if (res != len) |
7770
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1577 { |
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1578 if (!channel->ch_error && fun != NULL) |
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1579 { |
8031
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1580 ch_errors(ch_idx, "%s(): write failed\n", fun); |
7770
42c1a4e63d12
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1581 EMSG2("E631: %s(): write failed", fun); |
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1582 } |
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents:
7743
diff
changeset
|
1583 channel->ch_error = TRUE; |
7788
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1584 return FAIL; |
7770
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1585 } |
7788
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1586 |
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|
1587 channel->ch_error = FALSE; |
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1588 return OK; |
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1589 } |
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|
1590 |
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|
1591 # if (defined(UNIX) && !defined(HAVE_SELECT)) || defined(PROTO) |
7743
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|
1592 /* |
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1593 * Add open channels to the poll struct. |
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|
1594 * Return the adjusted struct index. |
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|
1595 * The type of "fds" is hidden to avoid problems with the function proto. |
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|
1596 */ |
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|
1597 int |
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|
1598 channel_poll_setup(int nfd_in, void *fds_in) |
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|
1599 { |
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|
1600 int nfd = nfd_in; |
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1601 int i; |
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1602 struct pollfd *fds = fds_in; |
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1603 |
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1604 for (i = 0; i < channel_count; ++i) |
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1605 { |
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1606 if (channels[i].ch_sock >= 0) |
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1607 { |
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|
1608 channels[i].ch_sock_idx = nfd; |
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1609 fds[nfd].fd = channels[i].ch_sock; |
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1610 fds[nfd].events = POLLIN; |
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1611 nfd++; |
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1612 } |
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1613 else |
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|
1614 channels[i].ch_sock_idx = -1; |
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1615 |
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|
1616 # ifdef CHANNEL_PIPES |
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1617 if (channels[i].ch_out >= 0) |
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1618 { |
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1619 channels[i].ch_out_idx = nfd; |
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1620 fds[nfd].fd = channels[i].ch_out; |
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1621 fds[nfd].events = POLLIN; |
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1622 nfd++; |
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1623 } |
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1624 else |
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|
1625 channels[i].ch_out_idx = -1; |
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1626 |
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1627 if (channels[i].ch_err >= 0) |
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1628 { |
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|
1629 channels[i].ch_err_idx = nfd; |
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1630 fds[nfd].fd = channels[i].ch_err; |
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1631 fds[nfd].events = POLLIN; |
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1632 nfd++; |
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1633 } |
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1634 else |
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|
1635 channels[i].ch_err_idx = -1; |
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1636 # endif |
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1637 } |
7743
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1638 |
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1639 return nfd; |
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1640 } |
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1641 |
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1642 /* |
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1643 * The type of "fds" is hidden to avoid problems with the function proto. |
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1644 */ |
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1645 int |
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|
1646 channel_poll_check(int ret_in, void *fds_in) |
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1647 { |
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|
1648 int ret = ret_in; |
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1649 int i; |
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1650 struct pollfd *fds = fds_in; |
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1651 |
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1652 for (i = 0; i < channel_count; ++i) |
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1653 { |
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1654 if (ret > 0 && channels[i].ch_sock_idx != -1 |
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1655 && fds[channels[i].ch_sock_idx].revents & POLLIN) |
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1656 { |
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|
1657 channel_read(i, FALSE, "channel_poll_check"); |
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|
1658 --ret; |
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1659 } |
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|
1660 # ifdef CHANNEL_PIPES |
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1661 if (ret > 0 && channels[i].ch_out_idx != -1 |
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|
1662 && fds[channels[i].ch_out_idx].revents & POLLIN) |
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1663 { |
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1664 channel_read(i, FALSE, "channel_poll_check"); |
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|
1665 --ret; |
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1666 } |
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1667 if (ret > 0 && channels[i].ch_err_idx != -1 |
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1668 && fds[channels[i].ch_err_idx].revents & POLLIN) |
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1669 { |
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1670 channel_read(i, TRUE, "channel_poll_check"); |
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|
1671 --ret; |
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1672 } |
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1673 # endif |
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1674 } |
7743
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1675 |
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1676 return ret; |
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1677 } |
7770
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|
1678 # endif /* UNIX && !HAVE_SELECT */ |
7743
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|
1679 |
7797
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|
1680 # if (!defined(FEAT_GUI_W32) && defined(HAVE_SELECT)) || defined(PROTO) |
7743
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|
1681 /* |
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|
1682 * The type of "rfds" is hidden to avoid problems with the function proto. |
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|
1683 */ |
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|
1684 int |
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|
1685 channel_select_setup(int maxfd_in, void *rfds_in) |
6069f43cea4e
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|
1686 { |
6069f43cea4e
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|
1687 int maxfd = maxfd_in; |
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|
1688 int i; |
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|
1689 fd_set *rfds = rfds_in; |
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|
1690 |
6069f43cea4e
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|
1691 for (i = 0; i < channel_count; ++i) |
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|
1692 { |
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|
1693 if (channels[i].ch_sock >= 0) |
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|
1694 { |
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|
1695 FD_SET(channels[i].ch_sock, rfds); |
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|
1696 if (maxfd < channels[i].ch_sock) |
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|
1697 maxfd = channels[i].ch_sock; |
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|
1698 } |
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|
1699 # ifdef CHANNEL_PIPES |
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|
1700 if (channels[i].ch_out >= 0) |
7743
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1701 { |
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|
1702 FD_SET(channels[i].ch_out, rfds); |
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|
1703 if (maxfd < channels[i].ch_out) |
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|
1704 maxfd = channels[i].ch_out; |
7743
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|
1705 } |
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|
1706 if (channels[i].ch_err >= 0) |
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1707 { |
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|
1708 FD_SET(channels[i].ch_err, rfds); |
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|
1709 if (maxfd < channels[i].ch_err) |
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|
1710 maxfd = channels[i].ch_err; |
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1711 } |
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1712 # endif |
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1713 } |
7743
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1714 |
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|
1715 return maxfd; |
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1716 } |
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|
1717 |
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|
1718 /* |
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1719 * The type of "rfds" is hidden to avoid problems with the function proto. |
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|
1720 */ |
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|
1721 int |
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|
1722 channel_select_check(int ret_in, void *rfds_in) |
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1723 { |
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|
1724 int ret = ret_in; |
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|
1725 int i; |
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|
1726 fd_set *rfds = rfds_in; |
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1727 |
6069f43cea4e
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|
1728 for (i = 0; i < channel_count; ++i) |
8031
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|
1729 { |
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|
1730 if (ret > 0 && channels[i].ch_sock >= 0 |
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|
1731 && FD_ISSET(channels[i].ch_sock, rfds)) |
7743
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|
1732 { |
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|
1733 channel_read(i, FALSE, "channel_select_check"); |
7743
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|
1734 --ret; |
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1735 } |
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|
1736 # ifdef CHANNEL_PIPES |
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|
1737 if (ret > 0 && channels[i].ch_out >= 0 |
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|
1738 && FD_ISSET(channels[i].ch_out, rfds)) |
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|
1739 { |
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|
1740 channel_read(i, FALSE, "channel_select_check"); |
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|
1741 --ret; |
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|
1742 } |
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|
1743 if (ret > 0 && channels[i].ch_err >= 0 |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
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|
1744 && FD_ISSET(channels[i].ch_err, rfds)) |
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1745 { |
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|
1746 channel_read(i, TRUE, "channel_select_check"); |
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|
1747 --ret; |
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1748 } |
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|
1749 # endif |
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1750 } |
7743
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|
1751 |
6069f43cea4e
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|
1752 return ret; |
6069f43cea4e
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|
1753 } |
7797
0d46cea25641
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|
1754 # endif /* !FEAT_GUI_W32 && HAVE_SELECT */ |
7743
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1755 |
7840
28f569c7dab9
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1756 /* |
7899
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|
1757 * Execute queued up commands. |
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|
1758 * Invoked from the main loop when it's safe to execute received commands. |
93c61501c2cf
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|
1759 * Return TRUE when something was done. |
7840
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1760 */ |
7899
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|
1761 int |
7840
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|
1762 channel_parse_messages(void) |
28f569c7dab9
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1763 { |
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|
1764 int i; |
7899
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1765 int ret = FALSE; |
7840
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|
1766 |
28f569c7dab9
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|
1767 for (i = 0; i < channel_count; ++i) |
7885
6e6f829af138
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|
1768 while (may_invoke_callback(i) == OK) |
7899
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|
1769 { |
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1770 i = 0; /* start over */ |
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1771 ret = TRUE; |
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1772 } |
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1773 return ret; |
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1774 } |
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1775 |
7961
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1776 /* |
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1777 * Mark references to lists used in channels. |
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1778 */ |
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1779 int |
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1780 set_ref_in_channel(int copyID) |
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1781 { |
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1782 int i; |
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1783 int abort = FALSE; |
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1784 |
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1785 for (i = 0; i < channel_count; ++i) |
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1786 { |
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1787 jsonq_T *head = &channels[i].ch_json_head; |
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1788 jsonq_T *item = head->next; |
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1789 |
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1790 while (item != head) |
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1791 { |
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1792 list_T *l = item->value->vval.v_list; |
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1793 |
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1794 if (l->lv_copyID != copyID) |
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1795 { |
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1796 l->lv_copyID = copyID; |
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1797 abort = abort || set_ref_in_list(l, copyID, NULL); |
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1798 } |
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1799 item = item->next; |
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1800 } |
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1801 } |
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1802 return abort; |
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1803 } |
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1804 |
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1805 /* |
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1806 * Return the mode of channel "ch_idx". |
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1807 * If "ch_idx" is invalid returns MODE_JSON. |
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1808 */ |
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1809 ch_mode_T |
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1810 channel_get_mode(int ch_idx) |
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1811 { |
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1812 if (ch_idx < 0 || ch_idx >= channel_count) |
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1813 return MODE_JSON; |
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1814 return channels[ch_idx].ch_mode; |
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1815 } |
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1816 |
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1817 #endif /* FEAT_CHANNEL */ |