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annotate src/channel.c @ 7780:e09af43f98f7 v7.4.1187

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commit https://github.com/vim/vim/commit/85be35f33ea848b50e84d57321a45ebfedfad669 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jan 27 21:08:18 2016 +0100 patch 7.4.1187 Problem: MS-Windows channel code only supports one channel. Doesn't build without netbeans support. Solution: Get the channel index from the socket in the message. Closes https://github.com/vim/vim/issues/600.
author Christian Brabandt <cb@256bit.org>
date Wed, 27 Jan 2016 21:15:05 +0100
parents 656db98806b3
children 192ae655ac91
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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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9 /*
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10 * Implements communication through a socket or any file handle.
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11 */
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13 #include "vim.h"
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15 #if defined(FEAT_CHANNEL) || defined(PROTO)
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17 /*
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18 * Change the zero to 1 to enable debugging.
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19 * This will write a file "channel_debug.log".
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20 */
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21 #if 0
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22 # define CHERROR(fmt, arg) cherror(fmt, arg)
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23 # define CHLOG(idx, send, buf) chlog(idx, send, buf)
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24 # define CHFILE "channel_debug.log"
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26 static void cherror(char *fmt, char *arg);
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27 static void chlog(int send, char_u *buf);
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28 #else
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29 # define CHERROR(fmt, arg)
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30 # define CHLOG(idx, send, buf)
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31 #endif
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33 /* TRUE when netbeans is running with a GUI. */
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34 #ifdef FEAT_GUI
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35 # define CH_HAS_GUI (gui.in_use || gui.starting)
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36 #endif
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38 /* Note: when making changes here also adjust configure.in. */
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39 #ifdef WIN32
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40 /* WinSock API is separated from C API, thus we can't use read(), write(),
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41 * errno... */
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42 # define SOCK_ERRNO errno = WSAGetLastError()
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43 # undef ECONNREFUSED
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44 # define ECONNREFUSED WSAECONNREFUSED
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45 # ifdef EINTR
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46 # undef EINTR
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47 # endif
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48 # define EINTR WSAEINTR
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49 # define sock_write(sd, buf, len) send(sd, buf, len, 0)
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50 # define sock_read(sd, buf, len) recv(sd, buf, len, 0)
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51 # define sock_close(sd) closesocket(sd)
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52 # define sleep(t) Sleep(t*1000) /* WinAPI Sleep() accepts milliseconds */
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53 #else
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54 # include <netdb.h>
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55 # include <netinet/in.h>
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56
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57 # include <sys/socket.h>
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58 # ifdef HAVE_LIBGEN_H
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59 # include <libgen.h>
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60 # endif
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61 # define SOCK_ERRNO
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62 # define sock_write(sd, buf, len) write(sd, buf, len)
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63 # define sock_read(sd, buf, len) read(sd, buf, len)
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64 # define sock_close(sd) close(sd)
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65 #endif
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67 #ifdef FEAT_GUI_W32
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68 extern HWND s_hwnd; /* Gvim's Window handle */
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69 #endif
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70
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71 struct readqueue
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72 {
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73 char_u *buffer;
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74 struct readqueue *next;
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75 struct readqueue *prev;
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76 };
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77 typedef struct readqueue queue_T;
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78
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79 typedef struct {
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80 sock_T ch_fd; /* the socket, -1 for a closed channel */
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81 int ch_idx; /* used by channel_poll_setup() */
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82 queue_T ch_head; /* dummy node, header for circular queue */
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83
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84 int ch_error; /* When TRUE an error was reported. Avoids giving
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85 * pages full of error messages when the other side
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86 * has exited, only mention the first error until the
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87 * connection works again. */
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88 #ifdef FEAT_GUI_X11
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89 XtInputId ch_inputHandler; /* Cookie for input */
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90 #endif
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91 #ifdef FEAT_GUI_GTK
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92 gint ch_inputHandler; /* Cookie for input */
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93 #endif
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94 #ifdef FEAT_GUI_W32
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95 int ch_inputHandler; /* simply ret.value of WSAAsyncSelect() */
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96 #endif
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97
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98 void (*ch_close_cb)(void); /* callback invoked when channel is closed */
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99 } channel_T;
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100
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101 /*
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102 * Information about all channels.
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103 * There can be gaps for closed channels, they will be reused later.
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104 */
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105 static channel_T *channels = NULL;
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106 static int channel_count = 0;
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107
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108 /*
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109 * TODO: open debug file when desired.
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110 */
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111 FILE *debugfd = NULL;
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112
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113 /*
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114 * Add a new channel slot, return the index.
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115 * The channel isn't actually used into ch_fd is set >= 0;
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116 * Returns -1 if all channels are in use.
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117 */
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118 static int
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119 add_channel(void)
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120 {
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121 int idx;
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122 channel_T *new_channels;
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123
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124 if (channels != NULL)
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125 for (idx = 0; idx < channel_count; ++idx)
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126 if (channels[idx].ch_fd < 0)
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127 /* re-use a closed channel slot */
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128 return idx;
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129 if (channel_count == MAX_OPEN_CHANNELS)
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130 return -1;
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131 new_channels = (channel_T *)alloc(sizeof(channel_T) * (channel_count + 1));
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132 if (new_channels == NULL)
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133 return -1;
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134 if (channels != NULL)
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135 mch_memmove(new_channels, channels, sizeof(channel_T) * channel_count);
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136 channels = new_channels;
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137 (void)vim_memset(&channels[channel_count], 0, sizeof(channel_T));
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138
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139 channels[channel_count].ch_fd = (sock_T)-1;
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140 #ifdef FEAT_GUI_X11
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141 channels[channel_count].ch_inputHandler = (XtInputId)NULL;
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142 #endif
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143 #ifdef FEAT_GUI_GTK
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144 channels[channel_count].ch_inputHandler = 0;
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145 #endif
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146 #ifdef FEAT_GUI_W32
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147 channels[channel_count].ch_inputHandler = -1;
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148 #endif
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149
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150 return channel_count++;
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151 }
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152
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153 #if defined(FEAT_GUI) || defined(PROTO)
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154 /*
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155 * Read a command from netbeans.
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156 */
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157 #ifdef FEAT_GUI_X11
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158 static void
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159 messageFromNetbeans(XtPointer clientData,
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160 int *unused1 UNUSED,
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161 XtInputId *unused2 UNUSED)
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162 {
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163 channel_read((int)(long)clientData);
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164 }
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165 #endif
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166
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167 #ifdef FEAT_GUI_GTK
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168 static void
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169 messageFromNetbeans(gpointer clientData,
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170 gint unused1 UNUSED,
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171 GdkInputCondition unused2 UNUSED)
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172 {
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173 channel_read((int)(long)clientData);
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174 }
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175 #endif
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176
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177 static void
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178 channel_gui_register(int idx)
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179 {
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180 channel_T *channel = &channels[idx];
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181
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182 if (!CH_HAS_GUI)
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183 return;
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184
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185 # ifdef FEAT_GUI_X11
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186 /* tell notifier we are interested in being called
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187 * when there is input on the editor connection socket
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188 */
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189 if (channel->ch_inputHandler == (XtInputId)NULL)
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190 channel->ch_inputHandler =
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191 XtAppAddInput((XtAppContext)app_context, channel->ch_fd,
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192 (XtPointer)(XtInputReadMask + XtInputExceptMask),
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193 messageFromNetbeans, (XtPointer)idx);
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194 # else
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195 # ifdef FEAT_GUI_GTK
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196 /*
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197 * Tell gdk we are interested in being called when there
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198 * is input on the editor connection socket
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199 */
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200 if (channel->ch_inputHandler == 0)
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201 channel->ch_inputHandler =
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202 gdk_input_add((gint)channel->ch_fd, (GdkInputCondition)
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203 ((int)GDK_INPUT_READ + (int)GDK_INPUT_EXCEPTION),
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204 messageFromNetbeans, (gpointer)(long)idx);
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205 # else
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206 # ifdef FEAT_GUI_W32
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207 /*
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208 * Tell Windows we are interested in receiving message when there
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209 * is input on the editor connection socket.
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210 */
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211 if (channel->ch_inputHandler == -1)
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212 channel->ch_inputHandler =
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213 WSAAsyncSelect(channel->ch_fd, s_hwnd, WM_NETBEANS, FD_READ);
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214 # endif
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215 # endif
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216 # endif
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217 }
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218
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219 /*
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220 * Register any of our file descriptors with the GUI event handling system.
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221 * Called when the GUI has started.
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222 */
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223 void
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224 channel_gui_register_all(void)
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225 {
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226 int i;
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227
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228 for (i = 0; i < channel_count; ++i)
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229 if (channels[i].ch_fd >= 0)
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230 channel_gui_register(i);
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231 }
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232
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233 static void
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234 channel_gui_unregister(int idx)
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235 {
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236 channel_T *channel = &channels[idx];
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237
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238 # ifdef FEAT_GUI_X11
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239 if (channel->ch_inputHandler != (XtInputId)NULL)
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240 {
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241 XtRemoveInput(channel->ch_inputHandler);
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242 channel->ch_inputHandler = (XtInputId)NULL;
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243 }
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244 # else
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245 # ifdef FEAT_GUI_GTK
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246 if (channel->ch_inputHandler != 0)
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247 {
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248 gdk_input_remove(channel->ch_inputHandler);
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249 channel->ch_inputHandler = 0;
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250 }
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251 # else
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252 # ifdef FEAT_GUI_W32
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253 if (channel->ch_inputHandler == 0)
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254 {
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255 WSAAsyncSelect(channel->ch_fd, s_hwnd, 0, 0);
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256 channel->ch_inputHandler = -1;
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257 }
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258 # endif
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259 # endif
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260 # endif
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261 }
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262
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263 #endif
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264
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265 /*
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266 * Open a channel to "hostname":"port".
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267 * Returns the channel number for success.
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268 * Returns a negative number for failure.
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269 */
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270 int
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271 channel_open(char *hostname, int port_in, void (*close_cb)(void))
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272 {
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273 int sd;
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274 struct sockaddr_in server;
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275 struct hostent * host;
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276 #ifdef FEAT_GUI_W32
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277 u_short port = port_in;
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278 #else
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279 int port = port_in;
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280 #endif
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281 int idx;
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282
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283 #ifdef FEAT_GUI_W32
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284 channel_init_winsock();
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285 #endif
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286
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287 idx = add_channel();
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288 if (idx < 0)
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289 {
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290 CHERROR("All channels are in use\n", "");
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291 EMSG(_("E999: All channels are in use"));
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292 return -1;
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293 }
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294
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295 if ((sd = (sock_T)socket(AF_INET, SOCK_STREAM, 0)) == (sock_T)-1)
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296 {
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297 CHERROR("error in socket() in channel_open()\n", "");
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298 PERROR("E999: socket() in channel_open()");
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299 return -1;
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300 }
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301
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302 /* Get the server internet address and put into addr structure */
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303 /* fill in the socket address structure and connect to server */
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304 vim_memset((char *)&server, 0, sizeof(server));
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305 server.sin_family = AF_INET;
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306 server.sin_port = htons(port);
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307 if ((host = gethostbyname(hostname)) == NULL)
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308 {
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309 CHERROR("error in gethostbyname() in channel_open()\n", "");
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310 PERROR("E999: gethostbyname() in channel_open()");
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311 sock_close(sd);
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312 return -1;
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313 }
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314 memcpy((char *)&server.sin_addr, host->h_addr, host->h_length);
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315
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316 /* Connect to server */
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317 if (connect(sd, (struct sockaddr *)&server, sizeof(server)))
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318 {
7770
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319 SOCK_ERRNO;
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320 CHERROR("channel_open: Connect failed with errno %d\n", errno);
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321 if (errno == ECONNREFUSED)
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322 {
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323 sock_close(sd);
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324 if ((sd = (sock_T)socket(AF_INET, SOCK_STREAM, 0)) == (sock_T)-1)
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325 {
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326 SOCK_ERRNO;
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327 CHERROR("socket() retry in channel_open()\n", "");
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328 PERROR("E999: socket() retry in channel_open()");
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329 return -1;
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330 }
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331 if (connect(sd, (struct sockaddr *)&server, sizeof(server)))
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332 {
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333 int retries = 36;
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334 int success = FALSE;
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335
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336 SOCK_ERRNO;
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337 while (retries-- && ((errno == ECONNREFUSED)
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338 || (errno == EINTR)))
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339 {
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340 CHERROR("retrying...\n", "");
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341 mch_delay(3000L, TRUE);
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342 ui_breakcheck();
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343 if (got_int)
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344 {
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345 errno = EINTR;
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346 break;
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347 }
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348 if (connect(sd, (struct sockaddr *)&server,
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349 sizeof(server)) == 0)
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350 {
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351 success = TRUE;
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352 break;
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353 }
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354 SOCK_ERRNO;
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355 }
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356 if (!success)
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357 {
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358 /* Get here when the server can't be found. */
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359 CHERROR("Cannot connect to port after retry\n", "");
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360 PERROR(_("E999: Cannot connect to port after retry2"));
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361 sock_close(sd);
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362 return -1;
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363 }
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364 }
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365 }
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366 else
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367 {
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368 CHERROR("Cannot connect to port\n", "");
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369 PERROR(_("E999: Cannot connect to port"));
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370 sock_close(sd);
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371 return -1;
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372 }
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373 }
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374
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375 channels[idx].ch_fd = sd;
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376 channels[idx].ch_close_cb = close_cb;
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377
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378 #ifdef FEAT_GUI
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379 channel_gui_register(idx);
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380 #endif
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381
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382 return idx;
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383 }
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384
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385 /*
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386 * Return TRUE when channel "idx" is open.
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387 */
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diff changeset
388 int
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diff changeset
389 channel_is_open(int idx)
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Christian Brabandt <cb@256bit.org>
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diff changeset
390 {
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391 return channels[idx].ch_fd >= 0;
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392 }
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diff changeset
393
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diff changeset
394 /*
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395 * Close channel "idx".
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396 * This does not trigger the close callback.
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diff changeset
397 */
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diff changeset
398 void
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diff changeset
399 channel_close(int idx)
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diff changeset
400 {
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401 channel_T *channel = &channels[idx];
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parents: 7743
diff changeset
402
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403 if (channel->ch_fd >= 0)
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diff changeset
404 {
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405 sock_close(channel->ch_fd);
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406 channel->ch_fd = -1;
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407 #ifdef FEAT_GUI
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408 channel_gui_unregister(idx);
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409 #endif
7743
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410 }
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diff changeset
411 }
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412
7770
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diff changeset
413 /*
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414 * Store "buf[len]" on channel "idx".
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415 */
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416 void
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417 channel_save(int idx, char_u *buf, int len)
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418 {
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419 queue_T *node;
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420 queue_T *head = &channels[idx].ch_head;
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diff changeset
421
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422 node = (queue_T *)alloc(sizeof(queue_T));
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423 if (node == NULL)
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424 return; /* out of memory */
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425 node->buffer = alloc(len + 1);
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426 if (node->buffer == NULL)
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427 {
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428 vim_free(node);
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429 return; /* out of memory */
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430 }
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431 mch_memmove(node->buffer, buf, (size_t)len);
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432 node->buffer[len] = NUL;
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433
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434 if (head->next == NULL) /* initialize circular queue */
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435 {
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436 head->next = head;
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437 head->prev = head;
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438 }
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439
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440 /* insert node at tail of queue */
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441 node->next = head;
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442 node->prev = head->prev;
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443 head->prev->next = node;
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444 head->prev = node;
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445
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446 if (debugfd != NULL)
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447 {
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448 fprintf(debugfd, "RECV on %d: ", idx);
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449 fwrite(buf, len, 1, debugfd);
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450 fprintf(debugfd, "\n");
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451 }
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452 }
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453
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454 /*
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455 * Return the first buffer from the channel without removing it.
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456 * Returns NULL if there is nothing.
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457 */
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458 char_u *
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459 channel_peek(int idx)
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460 {
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461 queue_T *head = &channels[idx].ch_head;
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462
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463 if (head->next == head || head->next == NULL)
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464 return NULL;
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465 return head->next->buffer;
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466 }
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diff changeset
467
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468 /*
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469 * Return the first buffer from the channel and remove it.
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470 * The caller must free it.
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471 * Returns NULL if there is nothing.
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472 */
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473 char_u *
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474 channel_get(int idx)
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475 {
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476 queue_T *head = &channels[idx].ch_head;
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477 queue_T *node;
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478 char_u *p;
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479
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480 if (head->next == head || head->next == NULL)
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481 return NULL;
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482 node = head->next;
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483 /* dispose of the node but keep the buffer */
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484 p = node->buffer;
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diff changeset
485 head->next = node->next;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
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parents: 7743
diff changeset
486 node->next->prev = node->prev;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
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parents: 7743
diff changeset
487 vim_free(node);
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
488 return p;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
489 }
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
490
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
491 /*
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
492 * Collapses the first and second buffer in the channel "idx".
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
493 * Returns FAIL if that is not possible.
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
494 */
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Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
495 int
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
496 channel_collapse(int idx)
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
497 {
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
498 queue_T *head = &channels[idx].ch_head;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
499 queue_T *node = head->next;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
500 char_u *p;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
501
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
502 if (node == head || node == NULL || node->next == head)
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
503 return FAIL;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
504
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
505 p = alloc((unsigned)(STRLEN(node->buffer)
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
506 + STRLEN(node->next->buffer) + 1));
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
507 if (p == NULL)
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
508 return FAIL; /* out of memory */
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
509 STRCPY(p, node->buffer);
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
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parents: 7743
diff changeset
510 STRCAT(p, node->next->buffer);
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
511 vim_free(node->next->buffer);
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
512 node->next->buffer = p;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
513
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
514 /* dispose of the node and buffer */
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
515 head->next = node->next;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
516 node->next->prev = node->prev;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
517 vim_free(node->buffer);
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
518 vim_free(node);
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
519 return OK;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
520 }
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
521
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Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
522 /*
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Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
523 * Clear the read buffer on channel "idx".
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Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
524 */
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Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
525 void
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
526 channel_clear(int idx)
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
527 {
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
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parents: 7743
diff changeset
528 queue_T *head = &channels[idx].ch_head;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
529 queue_T *node = head->next;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
530 queue_T *next;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
531
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
532 while (node != NULL && node != head)
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
533 {
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
534 next = node->next;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
535 vim_free(node->buffer);
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
536 vim_free(node);
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
537 if (next == head)
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
538 {
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
539 head->next = head;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
540 head->prev = head;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
541 break;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
542 }
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
543 node = next;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
544 }
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
545 }
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
546
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
547 /* Sent when the channel is found closed when reading. */
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
548 #define DETACH_MSG "\"DETACH\"\n"
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
549
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
550 /* Buffer size for reading incoming messages. */
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
551 #define MAXMSGSIZE 4096
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
552
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
553 /*
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
554 * Read from channel "idx". The data is put in the read queue.
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
555 */
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
556 void
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
557 channel_read(int idx)
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
558 {
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
559 static char_u *buf = NULL;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
560 int len = 0;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
561 int readlen = 0;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
562 #ifdef HAVE_SELECT
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
563 struct timeval tval;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
564 fd_set rfds;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
565 #else
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
566 # ifdef HAVE_POLL
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
567 struct pollfd fds;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
568 # endif
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
569 #endif
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
570 channel_T *channel = &channels[idx];
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
571
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
572 if (channel->ch_fd < 0)
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
573 {
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
574 CHLOG(idx, FALSE, "channel_read() called while socket is closed\n");
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
575 return;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
576 }
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
577
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
578 /* Allocate a buffer to read into. */
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
579 if (buf == NULL)
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
580 {
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
581 buf = alloc(MAXMSGSIZE);
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
582 if (buf == NULL)
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
583 return; /* out of memory! */
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Christian Brabandt <cb@256bit.org>
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diff changeset
584 }
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diff changeset
585
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diff changeset
586 /* Keep on reading for as long as there is something to read.
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587 * Use select() or poll() to avoid blocking on a message that is exactly
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588 * MAXMSGSIZE long. */
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589 for (;;)
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diff changeset
590 {
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591 #ifdef HAVE_SELECT
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592 FD_ZERO(&rfds);
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593 FD_SET(channel->ch_fd, &rfds);
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diff changeset
594 tval.tv_sec = 0;
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595 tval.tv_usec = 0;
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596 if (select(channel->ch_fd + 1, &rfds, NULL, NULL, &tval) <= 0)
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diff changeset
597 break;
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598 #else
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599 # ifdef HAVE_POLL
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600 fds.fd = channel->ch_fd;
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601 fds.events = POLLIN;
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602 if (poll(&fds, 1, 0) <= 0)
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603 break;
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diff changeset
604 # endif
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605 #endif
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606 len = sock_read(channel->ch_fd, buf, MAXMSGSIZE);
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607 if (len <= 0)
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608 break; /* error or nothing more to read */
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diff changeset
609
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610 /* Store the read message in the queue. */
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611 channel_save(idx, buf, len);
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612 readlen += len;
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613 if (len < MAXMSGSIZE)
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614 break; /* did read everything that's available */
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615 }
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diff changeset
616
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617 /* Reading a socket disconnection (readlen == 0), or a socket error. */
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618 if (readlen <= 0)
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619 {
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620 /* Queue a "DETACH" netbeans message in the command queue in order to
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621 * terminate the netbeans session later. Do not end the session here
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622 * directly as we may be running in the context of a call to
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623 * netbeans_parse_messages():
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624 * netbeans_parse_messages
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625 * -> autocmd triggered while processing the netbeans cmd
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626 * -> ui_breakcheck
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627 * -> gui event loop or select loop
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628 * -> channel_read()
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629 */
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630 channel_save(idx, (char_u *)DETACH_MSG, (int)STRLEN(DETACH_MSG));
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631
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632 channel_close(idx);
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633 if (channel->ch_close_cb != NULL)
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634 (*channel->ch_close_cb)();
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diff changeset
635
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636 if (len < 0)
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diff changeset
637 {
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638 /* Todo: which channel? */
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639 CHERROR("%s(): cannot from channel\n", "channel_read");
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diff changeset
640 PERROR(_("E999: read from channel"));
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641 }
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Christian Brabandt <cb@256bit.org>
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diff changeset
642 }
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Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
643
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644 #if defined(CH_HAS_GUI) && defined(FEAT_GUI_GTK)
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645 if (CH_HAS_GUI && gtk_main_level() > 0)
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646 gtk_main_quit();
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diff changeset
647 #endif
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648 }
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Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
649
7780
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diff changeset
650 # if defined(FEAT_GUI_W32) || defined(PROTO)
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diff changeset
651 /*
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652 * Lookup the channel index from the socket.
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653 * Returns -1 when the socket isn't found.
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654 */
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655 int
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656 channel_socket2idx(sock_T fd)
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diff changeset
657 {
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diff changeset
658 int i;
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parents: 7774
diff changeset
659
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parents: 7774
diff changeset
660 if (fd >= 0)
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661 for (i = 0; i < channel_count; ++i)
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diff changeset
662 if (channels[i].ch_fd == fd)
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663 return i;
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parents: 7774
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664 return -1;
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665 }
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666 # endif
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diff changeset
667
7770
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Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
668 /*
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669 * Write "buf" (NUL terminated string) to channel "idx".
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parents: 7743
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670 * When "fun" is not NULL an error message might be given.
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parents: 7743
diff changeset
671 */
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parents: 7743
diff changeset
672 void
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Christian Brabandt <cb@256bit.org>
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diff changeset
673 channel_send(int idx, char_u *buf, char *fun)
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parents: 7743
diff changeset
674 {
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parents: 7743
diff changeset
675 channel_T *channel = &channels[idx];
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676 int len = (int)STRLEN(buf);
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parents: 7743
diff changeset
677
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parents: 7743
diff changeset
678 if (channel->ch_fd < 0)
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parents: 7743
diff changeset
679 {
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parents: 7743
diff changeset
680 if (!channel->ch_error && fun != NULL)
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
681 {
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
682 CHERROR(" %s(): write while not connected\n", fun);
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
683 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
684 }
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
685 channel->ch_error = TRUE;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
686 }
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
687 else if (sock_write(channel->ch_fd, buf, len) != len)
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
688 {
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
689 if (!channel->ch_error && fun != NULL)
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
690 {
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
691 CHERROR(" %s(): write failed\n", fun);
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
692 EMSG2("E631: %s(): write failed", fun);
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
693 }
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
694 channel->ch_error = TRUE;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
695 }
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
696 else
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
697 channel->ch_error = FALSE;
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
698 }
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
699
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
700 # if (defined(UNIX) && !defined(HAVE_SELECT)) || defined(PROTO)
7743
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
701 /*
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
702 * Add open channels to the poll struct.
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
703 * Return the adjusted struct index.
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
704 * The type of "fds" is hidden to avoid problems with the function proto.
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
705 */
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
706 int
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
707 channel_poll_setup(int nfd_in, void *fds_in)
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
708 {
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
709 int nfd = nfd_in;
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
710 int i;
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
711 struct pollfd *fds = fds_in;
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
712
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
713 for (i = 0; i < channel_count; ++i)
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
714 if (channels[i].ch_fd >= 0)
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
715 {
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
716 channels[i].ch_idx = nfd;
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
717 fds[nfd].fd = channels[i].ch_fd;
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
718 fds[nfd].events = POLLIN;
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
719 nfd++;
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
720 }
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
721 else
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
722 channels[i].ch_idx = -1;
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
723
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
724 return nfd;
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
725 }
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
726
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
727 /*
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
728 * The type of "fds" is hidden to avoid problems with the function proto.
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
729 */
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
730 int
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
731 channel_poll_check(int ret_in, void *fds_in)
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
732 {
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
733 int ret = ret_in;
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
734 int i;
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
735 struct pollfd *fds = fds_in;
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
736
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
737 for (i = 0; i < channel_count; ++i)
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
738 if (ret > 0 && channels[i].ch_idx != -1
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
739 && fds[channels[i].ch_idx].revents & POLLIN)
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
740 {
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
741 channel_read(i);
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
742 --ret;
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
743 }
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
744
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
745 return ret;
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
746 }
7770
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
747 # endif /* UNIX && !HAVE_SELECT */
7743
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
748
7770
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
749 # if (defined(UNIX) && defined(HAVE_SELECT)) || defined(PROTO)
7743
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
750 /*
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
751 * The type of "rfds" is hidden to avoid problems with the function proto.
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
752 */
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
753 int
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
754 channel_select_setup(int maxfd_in, void *rfds_in)
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
755 {
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
756 int maxfd = maxfd_in;
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
757 int i;
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
758 fd_set *rfds = rfds_in;
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
759
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
760 for (i = 0; i < channel_count; ++i)
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
761 if (channels[i].ch_fd >= 0)
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
762 {
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
763 FD_SET(channels[i].ch_fd, rfds);
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
764 if (maxfd < channels[i].ch_fd)
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
765 maxfd = channels[i].ch_fd;
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
766 }
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
767
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
768 return maxfd;
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
769 }
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
770
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
771 /*
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
772 * The type of "rfds" is hidden to avoid problems with the function proto.
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
773 */
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
774 int
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
775 channel_select_check(int ret_in, void *rfds_in)
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
776 {
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
777 int ret = ret_in;
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
778 int i;
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
779 fd_set *rfds = rfds_in;
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
780
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
781 for (i = 0; i < channel_count; ++i)
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
782 if (ret > 0 && channels[i].ch_fd >= 0
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
783 && FD_ISSET(channels[i].ch_fd, rfds))
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
784 {
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
785 channel_read(i);
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
786 --ret;
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
787 }
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
788
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
789 return ret;
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
790 }
7770
42c1a4e63d12 commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents: 7743
diff changeset
791 # endif /* UNIX && HAVE_SELECT */
7743
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
792
6069f43cea4e commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
793 #endif /* FEAT_CHANNEL */