annotate src/pty.c @ 17506:74b6674b99fd v8.1.1751

patch 8.1.1751: when redrawing popups plines_win() may be called often commit https://github.com/vim/vim/commit/9d5ffceb3fea247a88d4d3936e97b7f488aab6ff Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jul 26 21:01:29 2019 +0200 patch 8.1.1751: when redrawing popups plines_win() may be called often Problem: When redrawing popups plines_win() may be called often. Solution: Pass a cache to mouse_comp_pos().
author Bram Moolenaar <Bram@vim.org>
date Fri, 26 Jul 2019 21:15:06 +0200
parents fd57da82dd5d
children d1e77015f60b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* vi:set ts=8 sts=4 sw=4 noet:
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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 * See README.txt for an overview of the Vim source code.
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8 */
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9 /*
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10 * The stuff in this file mostly comes from the "screen" program.
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11 * Included with permission from Juergen Weigert.
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12 * Copied from "pty.c". "putenv.c" was used for putenv() in misc2.c.
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13 *
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14 * It has been modified to work better with Vim.
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15 * The parts that are not used in Vim have been deleted.
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16 * See the "screen" sources for the complete stuff.
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17 *
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18 * This specific version is distibuted under the Vim license (attribution by
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19 * Juergen Weigert), the GPL applies to the original version, see the
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20 * copyright notice below.
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21 */
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22
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23 /* Copyright (c) 1993
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24 * Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
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25 * Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
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26 * Copyright (c) 1987 Oliver Laumann
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27 *
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28 * This program is free software; you can redistribute it and/or modify
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29 * it under the terms of the GNU General Public License as published by
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30 * the Free Software Foundation; either version 2, or (at your option)
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31 * any later version.
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32 *
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33 * This program is distributed in the hope that it will be useful,
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34 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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35 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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36 * GNU General Public License for more details.
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37 *
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38 * You should have received a copy of the GNU General Public License
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39 * along with this program (see the file COPYING); if not, write to the
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40 * Free Software Foundation, Inc.,
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41 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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42 */
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43
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44 #include "vim.h"
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45
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46 #if defined(FEAT_GUI) || defined(FEAT_JOB_CHANNEL)
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47
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48 #include <signal.h>
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49
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50 #ifdef __CYGWIN32__
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51 # include <sys/termios.h>
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52 #endif
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53
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54 #ifdef HAVE_SYS_IOCTL_H
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55 # include <sys/ioctl.h>
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56 #endif
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57
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58 #if HAVE_STROPTS_H
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59 # include <sys/types.h>
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60 # ifdef sinix
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61 # define buf_T __system_buf_t__
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62 # endif
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63 # include <stropts.h>
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64 # ifdef sinix
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65 # undef buf_T
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66 # endif
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67 # ifdef SUN_SYSTEM
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68 # include <sys/conf.h>
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69 # if defined(HAVE_SYS_PTMS_H) && defined(HAVE_SVR4_PTYS)
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70 # include <sys/ptms.h>
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71 # endif
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72 # endif
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73 #endif
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74
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75 #ifdef HAVE_UNISTD_H
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76 # include <unistd.h>
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77 #endif
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78
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79 #if HAVE_TERMIO_H
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80 # include <termio.h>
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81 #else
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82 # ifdef HAVE_TERMIOS_H
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83 # include <termios.h>
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84 # endif
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85 #endif
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86
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87 #if HAVE_SYS_STREAM_H
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88 # include <sys/stream.h>
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89 #endif
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90
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91 #if HAVE_SYS_PTEM_H
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92 # include <sys/ptem.h>
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93 #endif
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94
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95 #if !defined(SUN_SYSTEM) && !defined(VMS)
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96 # include <sys/ioctl.h>
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97 #endif
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98
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99 #if defined(SUN_SYSTEM) && defined(LOCKPTY) && !defined(TIOCEXCL)
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100 # include <sys/ttold.h>
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101 #endif
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102
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103 #ifdef ISC
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104 # include <sys/tty.h>
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105 # include <sys/sioctl.h>
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106 # include <sys/pty.h>
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107 #endif
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108
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109 #ifdef sgi
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110 # include <sys/sysmacros.h>
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111 #endif
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112
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113 #if defined(_INCLUDE_HPUX_SOURCE) && !defined(hpux)
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114 # define hpux
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115 #endif
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116
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117 /*
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118 * if no PTYRANGE[01] is in the config file, we pick a default
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119 */
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120 #ifndef PTYRANGE0
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121 # define PTYRANGE0 "qprs"
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122 #endif
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123 #ifndef PTYRANGE1
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124 # define PTYRANGE1 "0123456789abcdef"
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125 #endif
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126
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127 /* SVR4 pseudo ttys don't seem to work with SCO-5 */
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128 #ifdef M_UNIX
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129 # undef HAVE_SVR4_PTYS
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130 #endif
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131
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132 /*
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133 * Open all ptys with O_NOCTTY, just to be on the safe side.
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134 */
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135 #ifndef O_NOCTTY
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136 # define O_NOCTTY 0
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137 #endif
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138
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139 #if defined(HAVE_SVR4_PTYS) || defined(HAVE_POSIX_OPENPT)
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140 // These should be in stdlib.h, but it depends on _XOPEN_SOURCE.
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141 char *ptsname(int);
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142 int unlockpt(int);
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143 int grantpt(int);
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144 int posix_openpt(int flags);
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145 #endif
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146
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147 static void
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148 initmaster(int f UNUSED)
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149 {
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150 #ifndef VMS
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151 # ifdef POSIX
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152 tcflush(f, TCIOFLUSH);
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153 # else
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154 # ifdef TIOCFLUSH
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155 (void)ioctl(f, TIOCFLUSH, (char *) 0);
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156 # endif
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157 # endif
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158 # ifdef LOCKPTY
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159 (void)ioctl(f, TIOCEXCL, (char *) 0);
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160 # endif
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161 #endif
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162 }
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163
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164 /*
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165 * This causes a hang on some systems, but is required for a properly working
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166 * pty on others. Needs to be tuned...
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167 */
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168 int
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169 setup_slavepty(int fd)
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170 {
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171 if (fd < 0)
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172 return 0;
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parents: 14862
diff changeset
173 #if defined(I_PUSH) && defined(HAVE_SVR4_PTYS) && !defined(sgi) \
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diff changeset
174 && !defined(linux) && !defined(__osf__) && !defined(M_UNIX)
7
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175 # if defined(HAVE_SYS_PTEM_H) || defined(hpux)
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176 if (ioctl(fd, I_PUSH, "ptem") != 0)
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177 return -1;
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178 # endif
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179 if (ioctl(fd, I_PUSH, "ldterm") != 0)
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180 return -1;
10460
7fd589f46801 commit https://github.com/vim/vim/commit/a899e6ecc4523c7e411eaf6fbaa4197d70f6f39e
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
181 # ifdef SUN_SYSTEM
7
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182 if (ioctl(fd, I_PUSH, "ttcompat") != 0)
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183 return -1;
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184 # endif
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185 #endif
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186 return 0;
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187 }
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188
16441
c1dca26a6949 patch 8.1.1225: cannot create a pty to use with :terminal on FreeBSD
Bram Moolenaar <Bram@vim.org>
parents: 15632
diff changeset
189 #if defined(HAVE_POSIX_OPENPT) && !defined(PTY_DONE)
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parents: 15632
diff changeset
190 #define PTY_DONE
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191 int
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parents: 15632
diff changeset
192 mch_openpty(char **ttyn)
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parents: 15632
diff changeset
193 {
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parents: 15632
diff changeset
194 int f;
c1dca26a6949 patch 8.1.1225: cannot create a pty to use with :terminal on FreeBSD
Bram Moolenaar <Bram@vim.org>
parents: 15632
diff changeset
195 char *m;
c1dca26a6949 patch 8.1.1225: cannot create a pty to use with :terminal on FreeBSD
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parents: 15632
diff changeset
196 RETSIGTYPE (*sigcld) SIGPROTOARG;
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Bram Moolenaar <Bram@vim.org>
parents: 15632
diff changeset
197 static char TtyName[32]; // used for opening a new pty-pair
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parents: 15632
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198
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199 if ((f = posix_openpt(O_RDWR | O_NOCTTY | O_EXTRA)) == -1)
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parents: 15632
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200 return -1;
c1dca26a6949 patch 8.1.1225: cannot create a pty to use with :terminal on FreeBSD
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parents: 15632
diff changeset
201
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parents: 15632
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202 // SIGCHLD set to SIG_DFL for grantpt() because it fork()s and
c1dca26a6949 patch 8.1.1225: cannot create a pty to use with :terminal on FreeBSD
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203 // exec()s pt_chmod
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204 sigcld = signal(SIGCHLD, SIG_DFL);
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parents: 15632
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205 if ((m = ptsname(f)) == NULL || grantpt(f) || unlockpt(f))
c1dca26a6949 patch 8.1.1225: cannot create a pty to use with :terminal on FreeBSD
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parents: 15632
diff changeset
206 {
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parents: 15632
diff changeset
207 signal(SIGCHLD, sigcld);
c1dca26a6949 patch 8.1.1225: cannot create a pty to use with :terminal on FreeBSD
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parents: 15632
diff changeset
208 close(f);
c1dca26a6949 patch 8.1.1225: cannot create a pty to use with :terminal on FreeBSD
Bram Moolenaar <Bram@vim.org>
parents: 15632
diff changeset
209 return -1;
c1dca26a6949 patch 8.1.1225: cannot create a pty to use with :terminal on FreeBSD
Bram Moolenaar <Bram@vim.org>
parents: 15632
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210 }
c1dca26a6949 patch 8.1.1225: cannot create a pty to use with :terminal on FreeBSD
Bram Moolenaar <Bram@vim.org>
parents: 15632
diff changeset
211 signal(SIGCHLD, sigcld);
c1dca26a6949 patch 8.1.1225: cannot create a pty to use with :terminal on FreeBSD
Bram Moolenaar <Bram@vim.org>
parents: 15632
diff changeset
212 vim_strncpy((char_u *)TtyName, (char_u *)m, sizeof(TtyName) - 1);
c1dca26a6949 patch 8.1.1225: cannot create a pty to use with :terminal on FreeBSD
Bram Moolenaar <Bram@vim.org>
parents: 15632
diff changeset
213 initmaster(f);
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214 *ttyn = TtyName;
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diff changeset
215 return f;
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Bram Moolenaar <Bram@vim.org>
parents: 15632
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216 }
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parents: 15632
diff changeset
217 #endif
7
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218
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219 #if defined(OSX) && !defined(PTY_DONE)
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220 #define PTY_DONE
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221 int
15632
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parents: 14862
diff changeset
222 mch_openpty(char **ttyn)
7
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223 {
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224 int f;
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225 static char TtyName[32];
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226
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diff changeset
227 if ((f = open_controlling_pty(TtyName)) < 0)
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228 return -1;
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229 initmaster(f);
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230 *ttyn = TtyName;
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231 return f;
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232 }
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233 #endif
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234
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235 #if (defined(sequent) || defined(_SEQUENT_)) && defined(HAVE_GETPSEUDOTTY) \
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236 && !defined(PTY_DONE)
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237 #define PTY_DONE
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238 int
15632
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diff changeset
239 mch_openpty(char **ttyn)
7
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240 {
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241 char *m, *s;
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242 int f;
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243 /* used for opening a new pty-pair: */
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244 static char PtyName[32];
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245 static char TtyName[32];
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246
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247 if ((f = getpseudotty(&s, &m)) < 0)
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248 return -1;
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249 #ifdef _SEQUENT_
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250 fvhangup(s);
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251 #endif
2760
7fb8cdb9cb25 updated for version 7.3.156
Bram Moolenaar <bram@vim.org>
parents: 2577
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252 vim_strncpy((char_u *)PtyName, (char_u *)m, sizeof(PtyName) - 1);
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parents: 2577
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253 vim_strncpy((char_u *)TtyName, (char_u *)s, sizeof(TtyName) - 1);
7
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254 initmaster(f);
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255 *ttyn = TtyName;
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256 return f;
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257 }
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258 #endif
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259
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260 #if defined(__sgi) && !defined(PTY_DONE)
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261 #define PTY_DONE
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262 int
15632
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Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
263 mch_openpty(char **ttyn)
7
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264 {
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265 int f;
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266 char *name;
7807
1a5d34492798 commit https://github.com/vim/vim/commit/d99df423c559d85c17779b3685426c489554908c
Christian Brabandt <cb@256bit.org>
parents: 7805
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267 RETSIGTYPE (*sigcld) SIGPROTOARG;
7
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268
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269 /*
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270 * SIGCHLD set to SIG_DFL for _getpty() because it may fork() and
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271 * exec() /usr/adm/mkpts
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272 */
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273 sigcld = signal(SIGCHLD, SIG_DFL);
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274 name = _getpty(&f, O_RDWR | O_NONBLOCK | O_EXTRA, 0600, 0);
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275 signal(SIGCHLD, sigcld);
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276
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277 if (name == 0)
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278 return -1;
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279 initmaster(f);
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280 *ttyn = name;
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281 return f;
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282 }
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283 #endif
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284
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285 #if defined(MIPS) && defined(HAVE_DEV_PTC) && !defined(PTY_DONE)
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286 #define PTY_DONE
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287 int
15632
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Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
288 mch_openpty(char **ttyn)
7
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289 {
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diff changeset
290 int f;
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 7856
diff changeset
291 stat_T buf;
7
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292 /* used for opening a new pty-pair: */
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diff changeset
293 static char TtyName[32];
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294
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295 if ((f = open("/dev/ptc", O_RDWR | O_NOCTTY | O_NONBLOCK | O_EXTRA, 0)) < 0)
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296 return -1;
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diff changeset
297 if (mch_fstat(f, &buf) < 0)
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298 {
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diff changeset
299 close(f);
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300 return -1;
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301 }
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302 sprintf(TtyName, "/dev/ttyq%d", minor(buf.st_rdev));
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303 initmaster(f);
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304 *ttyn = TtyName;
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305 return f;
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306 }
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307 #endif
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diff changeset
308
12576
b74f5036a434 patch 8.0.1166: :terminal doesn't work on Mac High Sierra
Christian Brabandt <cb@256bit.org>
parents: 11737
diff changeset
309 #if defined(HAVE_SVR4_PTYS) && !defined(PTY_DONE) && !defined(hpux) \
13353
8412df1479a3 patch 8.0.1550: various small problems in source files
Christian Brabandt <cb@256bit.org>
parents: 12716
diff changeset
310 && !(defined(MACOS_X) && !defined(MAC_OS_X_VERSION_10_6))
7
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311
1703
ad8f5bdc7274 updated for version 7.2-001
vimboss
parents: 1624
diff changeset
312 /* NOTE: Even though HPUX can have /dev/ptmx, the code below doesn't work!
12576
b74f5036a434 patch 8.0.1166: :terminal doesn't work on Mac High Sierra
Christian Brabandt <cb@256bit.org>
parents: 11737
diff changeset
313 * Same for Mac OS X Leopard (10.5). */
7
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diff changeset
314 #define PTY_DONE
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315 int
15632
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Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
316 mch_openpty(char **ttyn)
7
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317 {
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diff changeset
318 int f;
2397
d5976fe4349d Fix for compiler warning about function prototype in pty.c.
Bram Moolenaar <bram@vim.org>
parents: 2154
diff changeset
319 char *m;
7805
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 3282
diff changeset
320 RETSIGTYPE (*sigcld) SIGPROTOARG;
7
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321 /* used for opening a new pty-pair: */
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322 static char TtyName[32];
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323
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324 if ((f = open("/dev/ptmx", O_RDWR | O_NOCTTY | O_EXTRA, 0)) == -1)
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325 return -1;
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326
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327 /*
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328 * SIGCHLD set to SIG_DFL for grantpt() because it fork()s and
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329 * exec()s pt_chmod
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330 */
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331 sigcld = signal(SIGCHLD, SIG_DFL);
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diff changeset
332 if ((m = ptsname(f)) == NULL || grantpt(f) || unlockpt(f))
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333 {
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diff changeset
334 signal(SIGCHLD, sigcld);
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diff changeset
335 close(f);
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336 return -1;
3fc0f57ecb91 updated for version 7.0001
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337 }
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338 signal(SIGCHLD, sigcld);
2760
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339 vim_strncpy((char_u *)TtyName, (char_u *)m, sizeof(TtyName) - 1);
7
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340 initmaster(f);
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341 *ttyn = TtyName;
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342 return f;
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343 }
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344 #endif
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345
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346 #if defined(_AIX) && defined(HAVE_DEV_PTC) && !defined(PTY_DONE)
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347 #define PTY_DONE
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348
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349 #ifdef _IBMR2
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350 int aixhack = -1;
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351 #endif
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352
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353 int
15632
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354 mch_openpty(char **ttyn)
7
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355 {
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356 int f;
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357 /* used for opening a new pty-pair: */
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358 static char TtyName[32];
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359
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360 /* a dumb looking loop replaced by mycrofts code: */
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361 if ((f = open("/dev/ptc", O_RDWR | O_NOCTTY | O_EXTRA)) < 0)
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362 return -1;
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363 vim_strncpy((char_u *)TtyName, (char_u *)ttyname(f), sizeof(TtyName) - 1);
1076
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364 if (geteuid() != ROOT_UID && mch_access(TtyName, R_OK | W_OK))
7
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365 {
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366 close(f);
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367 return -1;
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368 }
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369 initmaster(f);
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370 # ifdef _IBMR2
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371 if (aixhack >= 0)
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372 close(aixhack);
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373 if ((aixhack = open(TtyName, O_RDWR | O_NOCTTY | O_EXTRA, 0)) < 0)
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374 {
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375 close(f);
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376 return -1;
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377 }
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378 # endif
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379 *ttyn = TtyName;
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380 return f;
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381 }
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382 #endif
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383
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384 #ifndef PTY_DONE
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385
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386 # ifdef hpux
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387 static char PtyProto[] = "/dev/ptym/ptyXY";
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388 static char TtyProto[] = "/dev/pty/ttyXY";
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389 # else
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390 # ifdef __BEOS__
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391 static char PtyProto[] = "/dev/pt/XY";
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392 static char TtyProto[] = "/dev/tt/XY";
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393 # else
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394 static char PtyProto[] = "/dev/ptyXY";
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395 static char TtyProto[] = "/dev/ttyXY";
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396 # endif
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397 # endif
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398
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399 int
15632
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Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
400 mch_openpty(char **ttyn)
7
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401 {
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402 char *p, *q, *l, *d;
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403 int f;
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404 /* used for opening a new pty-pair: */
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405 static char PtyName[32];
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406 static char TtyName[32];
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407
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408 strcpy(PtyName, PtyProto);
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409 strcpy(TtyName, TtyProto);
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410 for (p = PtyName; *p != 'X'; p++)
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411 ;
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412 for (q = TtyName; *q != 'X'; q++)
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413 ;
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414 for (l = PTYRANGE0; (*p = *l) != '\0'; l++)
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415 {
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416 for (d = PTYRANGE1; (p[1] = *d) != '\0'; d++)
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417 {
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418 if ((f = open(PtyName, O_RDWR | O_NOCTTY | O_EXTRA, 0)) == -1)
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419 continue;
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420 q[0] = *l;
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421 q[1] = *d;
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422 if (geteuid() != ROOT_UID && mch_access(TtyName, R_OK | W_OK))
7
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423 {
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424 close(f);
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425 continue;
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426 }
10460
7fd589f46801 commit https://github.com/vim/vim/commit/a899e6ecc4523c7e411eaf6fbaa4197d70f6f39e
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
427 #if defined(SUN_SYSTEM) && defined(TIOCGPGRP) && !defined(SUNOS3)
7
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428 /* Hack to ensure that the slave side of the pty is
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429 * unused. May not work in anything other than SunOS4.1
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430 */
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431 {
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432 int pgrp;
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433
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434 /* tcgetpgrp does not work (uses TIOCGETPGRP)! */
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435 if (ioctl(f, TIOCGPGRP, (char *)&pgrp) != -1 || errno != EIO)
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436 {
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437 close(f);
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438 continue;
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parents:
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439 }
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440 }
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441 #endif
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442 initmaster(f);
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443 *ttyn = TtyName;
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444 return f;
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diff changeset
445 }
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diff changeset
446 }
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diff changeset
447 return -1;
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diff changeset
448 }
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diff changeset
449 #endif
11735
21354977aa7b patch 8.0.0750: OpenPTY missing in non-GUI build
Christian Brabandt <cb@256bit.org>
parents: 10460
diff changeset
450
15632
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
451 /*
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
452 * Call isatty(fd), except for SunOS where it's done differently.
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
453 */
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
454 int
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
455 mch_isatty(int fd)
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
456 {
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
457 # if defined(I_STR) && defined(HAVE_SYS_PTMS_H) && defined(HAVE_SVR4_PTYS) \
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
458 && defined(SUN_SYSTEM)
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
459 // On SunOS, isatty() for /dev/ptmx returns false or sometimes can hang up
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
460 // in the inner ioctl(), and therefore first determine whether "fd" is a
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
461 // master device.
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
462 struct strioctl istr;
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
463
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
464 istr.ic_cmd = ISPTM;
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
465 istr.ic_timout = 0;
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
466 istr.ic_dp = NULL;
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
467 istr.ic_len = 0;
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
468
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
469 if (ioctl(fd, I_STR, &istr) == 0)
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
470 // Trick: return 2 in order to advice the caller that "fd" is a master
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
471 // device. cf. src/os_unix.c:get_tty_fd()
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
472 return 2;
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
473 # endif
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
474 return isatty(fd);
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
475 }
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
476
d4a6d575e910 patch 8.1.0824: SunOS/Solaris has a problem with ttys
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
477 #endif /* FEAT_GUI || FEAT_JOB_CHANNEL */