annotate src/main.in.cc @ 33554:6f33e7ee3c3d default tip

add find widget to experimental terminal widget * command-widget.cc (command_widget): initialize find widget without close button, connect find widget signals to the new slots, add find widget into layout; (notice_settings): call find widget method for updating settings; (console::find_incremental): new slot for incremental search; (console::find): new slot for forward and backward search * command-widget.h: include find-widget.h, new private slots console::find and console::find_incremental, new class variable containing find_widget some find history * find-widget.cc (find_widget): add a clear button to the line edit
author Torsten Lilge <ttl-octave@mailbox.org>
date Thu, 09 May 2024 21:05:52 +0200
parents 25e8f63da459
children
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1 // %NO_EDIT_WARNING%
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2
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3 ////////////////////////////////////////////////////////////////////////
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4 //
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5 // Copyright (C) 2012-2024 The Octave Project Developers
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6 //
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7 // See the file COPYRIGHT.md in the top-level directory of this
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8 // distribution or <https://octave.org/copyright/>.
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9 //
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10 // This file is part of Octave.
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11 //
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12 // Octave is free software: you can redistribute it and/or modify it
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13 // under the terms of the GNU General Public License as published by
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14 // the Free Software Foundation, either version 3 of the License, or
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15 // (at your option) any later version.
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16 //
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17 // Octave is distributed in the hope that it will be useful, but
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18 // WITHOUT ANY WARRANTY; without even the implied warranty of
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19 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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20 // GNU General Public License for more details.
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21 //
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22 // You should have received a copy of the GNU General Public License
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23 // along with Octave; see the file COPYING. If not, see
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24 // <https://www.gnu.org/licenses/>.
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25 //
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26 ////////////////////////////////////////////////////////////////////////
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27
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28 // NOTE: This program is supposed to be a small wrapper that exists
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29 // primarily to give up the controlling TTY and then exec Octave with
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30 // its GUI. It may also execute Octave without the GUI or the command
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31 // line version of Octave that is not linked with GUI libraries. So
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32 // that it remains small, it should NOT depend on or be linked with
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33 // liboctave or libinterp.
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34
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35 #if defined (HAVE_CONFIG_H)
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36 # include "config.h"
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37 #endif
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38
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39 #include <cstdlib>
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40 #include <cstring>
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41
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42 #include <algorithm>
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43 #include <iostream>
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44 #include <string>
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45
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46 #if defined (OCTAVE_USE_WINDOWS_API) && defined (_UNICODE)
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47 # include <vector>
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48 # include <locale>
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49 # include <codecvt>
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50 #endif
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51
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52 // We are linking against static libs so do not decorate with dllimport.
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53 // FIXME: This should be done by the build system.
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54 #undef OCTAVE_API
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55 #define OCTAVE_API
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56 #include "fcntl-wrappers.h"
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57 #include "getopt-wrapper.h"
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58 #include "signal-wrappers.h"
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59 #include "unistd-wrappers.h"
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60 #include "wait-wrappers.h"
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61
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62 #if ! defined (OCTAVE_VERSION)
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63 # define OCTAVE_VERSION %OCTAVE_VERSION%
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64 #endif
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65
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66 #if ! defined (OCTAVE_ARCHLIBDIR)
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67 # define OCTAVE_ARCHLIBDIR %OCTAVE_ARCHLIBDIR%
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68 #endif
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70 #if ! defined (OCTAVE_BINDIR)
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71 # define OCTAVE_BINDIR %OCTAVE_BINDIR%
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72 #endif
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74 #if ! defined (OCTAVE_PREFIX)
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75 # define OCTAVE_PREFIX %OCTAVE_PREFIX%
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76 #endif
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78 #if ! defined (OCTAVE_EXEC_PREFIX)
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79 # define OCTAVE_EXEC_PREFIX %OCTAVE_EXEC_PREFIX%
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80 #endif
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81
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82 #include "display-available.h"
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83 #include "options.h"
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84 #include "shared-fcns.h"
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85
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86 #if defined (HAVE_OCTAVE_QT_GUI) && ! defined (OCTAVE_USE_WINDOWS_API)
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87 static bool fork_and_exec = true;
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88 #else
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89 static bool fork_and_exec = false;
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90 #endif
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91
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92 // If we fork and exec, we'll need the following signal handling code to
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93 // forward signals to the GUI process.
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94
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95 static pid_t gui_pid = 0;
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96
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97 static int caught_signal = -1;
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98
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99 static void
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100 gui_driver_sig_handler (int sig)
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101 {
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102 if (gui_pid > 0)
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103 caught_signal = sig;
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104 }
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105
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106 static void
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107 gui_driver_set_signal_handler (const char *signame,
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108 octave_sig_handler *handler)
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109 {
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110 octave_set_signal_handler_by_name (signame, handler, false);
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111 }
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112
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113 static void
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114 install_signal_handlers ()
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115 {
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116 // FIXME: do we need to handle and forward all the signals that Octave
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117 // handles, or is it sufficient to only forward things like SIGINT,
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118 // SIGBREAK, SIGABRT, SIGQUIT, and possibly a few others?
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119
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120 gui_driver_set_signal_handler ("SIGINT", gui_driver_sig_handler);
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121 gui_driver_set_signal_handler ("SIGBREAK", gui_driver_sig_handler);
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122 gui_driver_set_signal_handler ("SIGABRT", gui_driver_sig_handler);
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123 gui_driver_set_signal_handler ("SIGALRM", gui_driver_sig_handler);
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124 gui_driver_set_signal_handler ("SIGBUS", gui_driver_sig_handler);
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125
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126 // SIGCHLD
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127 // SIGCLD
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128 // SIGCONT
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129
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130 gui_driver_set_signal_handler ("SIGEMT", gui_driver_sig_handler);
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131 gui_driver_set_signal_handler ("SIGFPE", gui_driver_sig_handler);
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132 gui_driver_set_signal_handler ("SIGHUP", gui_driver_sig_handler);
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133 gui_driver_set_signal_handler ("SIGILL", gui_driver_sig_handler);
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134
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135 // SIGINFO
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136 // SIGINT
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137
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138 gui_driver_set_signal_handler ("SIGIOT", gui_driver_sig_handler);
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139 gui_driver_set_signal_handler ("SIGLOST", gui_driver_sig_handler);
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140 gui_driver_set_signal_handler ("SIGPIPE", gui_driver_sig_handler);
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141 gui_driver_set_signal_handler ("SIGPOLL", gui_driver_sig_handler);
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142
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143 // SIGPROF
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144 // SIGPWR
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145
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146 gui_driver_set_signal_handler ("SIGQUIT", gui_driver_sig_handler);
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147 gui_driver_set_signal_handler ("SIGSEGV", gui_driver_sig_handler);
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148
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149 // SIGSTOP
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150
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151 gui_driver_set_signal_handler ("SIGSYS", gui_driver_sig_handler);
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152 gui_driver_set_signal_handler ("SIGTERM", gui_driver_sig_handler);
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153 gui_driver_set_signal_handler ("SIGTRAP", gui_driver_sig_handler);
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154
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155 // SIGTSTP
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156 // SIGTTIN
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157 // SIGTTOU
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158 // SIGURG
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159
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160 gui_driver_set_signal_handler ("SIGUSR1", gui_driver_sig_handler);
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161 gui_driver_set_signal_handler ("SIGUSR2", gui_driver_sig_handler);
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162 gui_driver_set_signal_handler ("SIGVTALRM", gui_driver_sig_handler);
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163 gui_driver_set_signal_handler ("SIGIO", gui_driver_sig_handler);
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164
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165 // SIGWINCH
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166
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167 gui_driver_set_signal_handler ("SIGXCPU", gui_driver_sig_handler);
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168 gui_driver_set_signal_handler ("SIGXFSZ", gui_driver_sig_handler);
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169 }
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170
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171 static std::string
31771
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172 get_octave_bindir ()
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173 {
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174 // Accept value from the environment literally, but substitute
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175 // OCTAVE_HOME in the configuration value OCTAVE_BINDIR in case Octave
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176 // has been relocated to some installation directory other than the
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177 // one originally configured.
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178
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179 std::string obd = octave_getenv ("OCTAVE_BINDIR");
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180
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181 return obd.empty () ? prepend_octave_exec_home (std::string (OCTAVE_BINDIR))
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182 : obd;
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183 }
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184
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185 static std::string
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186 get_octave_archlibdir ()
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187 {
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188 // Accept value from the environment literally, but substitute
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189 // OCTAVE_HOME in the configuration value OCTAVE_ARCHLIBDIR in case
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190 // Octave has been relocated to some installation directory other than
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191 // the one originally configured.
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192
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193 std::string dir = octave_getenv ("OCTAVE_ARCHLIBDIR");
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194
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195 return dir.empty () ? prepend_octave_exec_home (std::string (OCTAVE_ARCHLIBDIR))
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19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions.
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196 : dir;
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197 }
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198
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199 static int
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200 octave_exec (const std::string& file, char **argv)
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201 {
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202 int status = octave_execv_wrapper (file.c_str (), argv);
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203
30257
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204 #if defined (OCTAVE_USE_WINDOWS_API)
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205 // The above wrapper uses spawn(P_WAIT,...) instead of exec on Windows.
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206 if (status == -1)
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207 #endif
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208 std::cerr << argv[0] << ": failed to exec '" << file << "'" << std::endl;
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209
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210 return status;
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211 }
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212
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213 static char *
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214 strsave (const char *s)
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215 {
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216 if (! s)
23796
4f12819a634f Use C++11 nullptr rather than 0 in code (bug #51565).
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217 return nullptr;
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218
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219 int len = strlen (s);
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220 char *tmp = new char [len+1];
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221 tmp = strcpy (tmp, s);
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222 return tmp;
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223 }
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224
29540
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225 #if defined (OCTAVE_USE_WINDOWS_API) && defined (_UNICODE)
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226 extern "C"
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227 int
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228 wmain (int argc, wchar_t **wargv)
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229 {
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230 static char **argv = new char * [argc + 1];
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231 std::vector<std::string> argv_str;
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232
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233 // convert wide character strings to multibyte UTF-8 strings
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234 std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> wchar_conv;
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235 for (int i_arg = 0; i_arg < argc; i_arg++)
30192
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236 argv_str.push_back (wchar_conv.to_bytes (wargv[i_arg]));
8c8031be8072 Windows: Don't get pointers to C strings while vector is still unstable.
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237
8c8031be8072 Windows: Don't get pointers to C strings while vector is still unstable.
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238 // Get pointers to C strings not before vector is stable.
8c8031be8072 Windows: Don't get pointers to C strings while vector is still unstable.
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diff changeset
239 for (int i_arg = 0; i_arg < argc; i_arg++)
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240 argv[i_arg] = &argv_str[i_arg][0];
29540
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241 argv[argc] = nullptr;
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242
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diff changeset
243 #else
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244 int
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245 main (int argc, char **argv)
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246 {
29540
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247 #endif
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248 int retval = 0;
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249
29189
0fc400f15e35 avoid gui when octave is launched in non-interactive mode (bug #59628)
Torsten Lilge <ttl-octave@mailbox.org>
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diff changeset
250 int idx_gui = -1;
29254
11343ca3c125 allow Octave to operate as a server, executing commands from a queue
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diff changeset
251 bool server = false;
24898
91331c76d9c1 invert the logic for whether to start the GUI in the octave wrapper
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diff changeset
252 bool start_gui = false;
18014
6df05f2fd354 maint: Back out changeset 25b6fbe82827 and set default to GUI for 4.0 release.
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253 bool gui_libs = true;
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254
29189
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255 bool eval_code = false;
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256 bool persist_octave = false;
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257
23712
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diff changeset
258 set_octave_home ();
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259
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260 std::string octave_bindir = get_octave_bindir ();
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diff changeset
261 std::string octave_archlibdir = get_octave_archlibdir ();
21284
1bbd799ac7c7 Invoke correct version of octave-cli from main driver program
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diff changeset
262 std::string octave_cli
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diff changeset
263 = octave_bindir + dir_sep_char + "octave-cli-" OCTAVE_VERSION;
1bbd799ac7c7 Invoke correct version of octave-cli from main driver program
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diff changeset
264 std::string octave_gui = octave_archlibdir + dir_sep_char + "octave-gui";
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b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
265
21374
1487a68a496a untangle configuration of OpenGL, FLTK, and Qt (bug #47263)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
266 #if defined (HAVE_OCTAVE_QT_GUI)
18164
eb51f47d9dee maint: Periodic merge of stable to gui-release.
John W. Eaton <jwe@octave.org>
parents: 18157 18163
diff changeset
267 // The Octave version number is already embedded in the
eb51f47d9dee maint: Periodic merge of stable to gui-release.
John W. Eaton <jwe@octave.org>
parents: 18157 18163
diff changeset
268 // octave_archlibdir directory name so we don't need to append it to
20713
2469d78a1d8b Consistently use 'filename' rather than 'file name' throughout code base.
Rik <rik@octave.org>
parents: 19861
diff changeset
269 // the octave-gui filename.
18164
eb51f47d9dee maint: Periodic merge of stable to gui-release.
John W. Eaton <jwe@octave.org>
parents: 18157 18163
diff changeset
270
21284
1bbd799ac7c7 Invoke correct version of octave-cli from main driver program
Mike Miller <mtmiller@octave.org>
parents: 19861
diff changeset
271 std::string file = octave_gui;
18014
6df05f2fd354 maint: Back out changeset 25b6fbe82827 and set default to GUI for 4.0 release.
Rik <rik@octave.org>
parents: 18008
diff changeset
272 #else
21284
1bbd799ac7c7 Invoke correct version of octave-cli from main driver program
Mike Miller <mtmiller@octave.org>
parents: 19861
diff changeset
273 std::string file = octave_cli;
18014
6df05f2fd354 maint: Back out changeset 25b6fbe82827 and set default to GUI for 4.0 release.
Rik <rik@octave.org>
parents: 18008
diff changeset
274 #endif
17778
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
275
21440
062c65569ad7 avoid some address-sanitizer leak warnings (bug #47372)
John W. Eaton <jwe@octave.org>
parents: 21374
diff changeset
276 // Declaring new_argv static avoids leak warnings when using GCC's
062c65569ad7 avoid some address-sanitizer leak warnings (bug #47372)
John W. Eaton <jwe@octave.org>
parents: 21374
diff changeset
277 // --address-sanitizer option.
29191
ae5d758c10e1 Increase size of dynamic variable new_argv by 1 to avoid indexing out of array.
Rik <rik@octave.org>
parents: 29189
diff changeset
278 static char **new_argv = new char * [argc + 2];
17778
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
279
29898
dffd1c943f1a main.cc: Use getopt to parse command line arguments (bug #60886).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29654
diff changeset
280 int next_optind = 1;
17959
1329866151be [Win32] Use spawn instead of exec for main octave wrapper executable.
Michael Goffioul <michael.goffioul@gmail.com>
parents: 17865
diff changeset
281 int k = 1;
17778
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
282
17994
a99b7d656a6c start in CLI mode if display is not available (bug #40685)
John W. Eaton <jwe@octave.org>
parents: 17959
diff changeset
283 bool warn_display = true;
21783
58a4c5633efd Disable plotting graphics when --no-window-system used (bug #48017).
Rik <rik@octave.org>
parents: 21724
diff changeset
284 bool no_display = false;
17994
a99b7d656a6c start in CLI mode if display is not available (bug #40685)
John W. Eaton <jwe@octave.org>
parents: 17959
diff changeset
285
29910
0f41e117789f disable getopt error reporting in wrapper program (bug #60886)
John W. Eaton <jwe@octave.org>
parents: 29908
diff changeset
286 // Disable error reporting in getopt. We want to silently recognize
0f41e117789f disable getopt error reporting in wrapper program (bug #60886)
John W. Eaton <jwe@octave.org>
parents: 29908
diff changeset
287 // and process a few special arguments here and pass everything on to
0f41e117789f disable getopt error reporting in wrapper program (bug #60886)
John W. Eaton <jwe@octave.org>
parents: 29908
diff changeset
288 // the real Octave program where incorrect usage errors may be
0f41e117789f disable getopt error reporting in wrapper program (bug #60886)
John W. Eaton <jwe@octave.org>
parents: 29908
diff changeset
289 // reported.
0f41e117789f disable getopt error reporting in wrapper program (bug #60886)
John W. Eaton <jwe@octave.org>
parents: 29908
diff changeset
290
0f41e117789f disable getopt error reporting in wrapper program (bug #60886)
John W. Eaton <jwe@octave.org>
parents: 29908
diff changeset
291 octave_set_opterr_wrapper (0);
0f41e117789f disable getopt error reporting in wrapper program (bug #60886)
John W. Eaton <jwe@octave.org>
parents: 29908
diff changeset
292
29898
dffd1c943f1a main.cc: Use getopt to parse command line arguments (bug #60886).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29654
diff changeset
293 while (true)
17778
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
294 {
29898
dffd1c943f1a main.cc: Use getopt to parse command line arguments (bug #60886).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29654
diff changeset
295 int long_idx;
17778
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
296
29898
dffd1c943f1a main.cc: Use getopt to parse command line arguments (bug #60886).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29654
diff changeset
297 int optc = octave_getopt_long_wrapper (argc, argv, short_opts, long_opts,
dffd1c943f1a main.cc: Use getopt to parse command line arguments (bug #60886).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29654
diff changeset
298 &long_idx);
dffd1c943f1a main.cc: Use getopt to parse command line arguments (bug #60886).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29654
diff changeset
299 int old_optind = next_optind;
dffd1c943f1a main.cc: Use getopt to parse command line arguments (bug #60886).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29654
diff changeset
300 next_optind = octave_optind_wrapper ();
dffd1c943f1a main.cc: Use getopt to parse command line arguments (bug #60886).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29654
diff changeset
301
dffd1c943f1a main.cc: Use getopt to parse command line arguments (bug #60886).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29654
diff changeset
302 if (optc < 0)
dffd1c943f1a main.cc: Use getopt to parse command line arguments (bug #60886).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29654
diff changeset
303 break;
17778
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
304
29898
dffd1c943f1a main.cc: Use getopt to parse command line arguments (bug #60886).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29654
diff changeset
305 switch (optc)
24898
91331c76d9c1 invert the logic for whether to start the GUI in the octave wrapper
Mike Miller <mtmiller@octave.org>
parents: 24534
diff changeset
306 {
32591
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
307 case NO_GUI_LIBS_OPTION:
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
308 // Run the version of Octave that is not linked with any GUI
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
309 // libraries. It may not be possible to do plotting or any ui*
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
310 // calls, but it will be a little faster to start and require less
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
311 // memory. Don't pass the --no-gui-libs option on as that option
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
312 // is not recognized by Octave.
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
313 gui_libs = false;
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
314 file = octave_cli;
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
315 break;
24898
91331c76d9c1 invert the logic for whether to start the GUI in the octave wrapper
Mike Miller <mtmiller@octave.org>
parents: 24534
diff changeset
316
32669
b18af44b044b Add new short form aliases of runtime long form options to octave.
Rik <rik@octave.org>
parents: 32632
diff changeset
317 case 'G':
b18af44b044b Add new short form aliases of runtime long form options to octave.
Rik <rik@octave.org>
parents: 32632
diff changeset
318 // option "--no-gui"
32591
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
319 // If we see this option, then we can just exec octave; we don't
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
320 // have to create a child process and wait for it to exit. But do
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
321 // exec "octave-gui", not "octave-cli", because even if the
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
322 // --no-gui option is given, we may be asked to do some plotting or
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
323 // ui* calls.
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
324 start_gui = false;
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
325 new_argv[k++] = argv[old_optind];
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
326 break;
29191
ae5d758c10e1 Increase size of dynamic variable new_argv by 1 to avoid indexing out of array.
Rik <rik@octave.org>
parents: 29189
diff changeset
327
32669
b18af44b044b Add new short form aliases of runtime long form options to octave.
Rik <rik@octave.org>
parents: 32632
diff changeset
328 case 'g':
32670
d469da7cb42f Add comment accidentally dropped from cset b18af44b044b.
Rik <rik@octave.org>
parents: 32669
diff changeset
329 // option "--gui"
32591
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
330 // If we see this option, then we fork and exec octave with the
32670
d469da7cb42f Add comment accidentally dropped from cset b18af44b044b.
Rik <rik@octave.org>
parents: 32669
diff changeset
331 // --gui option, while continuing to handle signals in the terminal.
32591
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
332 // Do not copy the arg now, since we still not know if the gui
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
333 // should really be launched. Just store the index.
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
334 start_gui = true;
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
335 idx_gui = old_optind;
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
336 break;
29898
dffd1c943f1a main.cc: Use getopt to parse command line arguments (bug #60886).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29654
diff changeset
337
32591
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
338 case EXPERIMENTAL_TERMINAL_WIDGET_OPTION:
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
339 // If we see this option, then we don't fork and exec.
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
340 fork_and_exec = false;
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
341 new_argv[k++] = argv[old_optind];
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
342 break;
29898
dffd1c943f1a main.cc: Use getopt to parse command line arguments (bug #60886).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29654
diff changeset
343
32591
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
344 case PERSIST_OPTION:
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
345 // FIXME: How can we reliably detect if this option appears after
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
346 // a FILE argument. In this case octave ignores the option,
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
347 // but the GUI might still be launched if --gui is also
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
348 // given.
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
349 persist_octave = true;
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
350 new_argv[k++] = argv[old_optind];
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
351 break;
29898
dffd1c943f1a main.cc: Use getopt to parse command line arguments (bug #60886).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29654
diff changeset
352
32591
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
353 case SERVER_OPTION:
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
354 server = true;
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
355 new_argv[k++] = argv[old_optind];
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
356 break;
29890
bc19d9360bac main.cc: Use getopt to parse command line arguments (bug #60886).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29655
diff changeset
357
32669
b18af44b044b Add new short form aliases of runtime long form options to octave.
Rik <rik@octave.org>
parents: 32632
diff changeset
358 case 'e':
b18af44b044b Add new short form aliases of runtime long form options to octave.
Rik <rik@octave.org>
parents: 32632
diff changeset
359 // option "--eval"
32591
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
360 eval_code = true;
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
361 for (int i = old_optind; i < next_optind; i++)
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
362 new_argv[k++] = argv[i];
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
363 break;
29898
dffd1c943f1a main.cc: Use getopt to parse command line arguments (bug #60886).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29654
diff changeset
364
32591
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
365 case 'q':
32680
25e8f63da459 Prefer --quiet to --silent in Octave.
Rik <rik@octave.org>
parents: 32670
diff changeset
366 // options "--quiet" or "--silent"
32591
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
367 warn_display = false;
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
368 new_argv[k++] = argv[old_optind];
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
369 break;
29898
dffd1c943f1a main.cc: Use getopt to parse command line arguments (bug #60886).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29654
diff changeset
370
32591
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
371 case 'W':
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
372 // option "--no-window-system"
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
373 no_display = true;
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
374 new_argv[k++] = argv[old_optind];
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
375 break;
29898
dffd1c943f1a main.cc: Use getopt to parse command line arguments (bug #60886).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29654
diff changeset
376
32591
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
377 default:
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
378 for (int i = old_optind; i < next_optind; i++)
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
379 new_argv[k++] = argv[i];
a9dbbe06ca59 maint: C++ style check for src/ before 9.1 release.
Rik <rik@octave.org>
parents: 31771
diff changeset
380 break;
21783
58a4c5633efd Disable plotting graphics when --no-window-system used (bug #48017).
Rik <rik@octave.org>
parents: 21724
diff changeset
381 }
29898
dffd1c943f1a main.cc: Use getopt to parse command line arguments (bug #60886).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29654
diff changeset
382 }
23767
2387ce427601 improve handling of single-letter command line options (bug #51461)
Mike Miller <mtmiller@octave.org>
parents: 23712
diff changeset
383
29908
3583b11e151b main.cc: Remove invalid case (bug #60886).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29898
diff changeset
384 // Treat trailing arguments as commands to be executed
29898
dffd1c943f1a main.cc: Use getopt to parse command line arguments (bug #60886).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29654
diff changeset
385 if (next_optind < argc)
dffd1c943f1a main.cc: Use getopt to parse command line arguments (bug #60886).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29654
diff changeset
386 {
dffd1c943f1a main.cc: Use getopt to parse command line arguments (bug #60886).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29654
diff changeset
387 eval_code = true;
dffd1c943f1a main.cc: Use getopt to parse command line arguments (bug #60886).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29654
diff changeset
388 for (int i = next_optind; i < argc; i++)
17778
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
389 new_argv[k++] = argv[i];
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
390 }
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
391
29189
0fc400f15e35 avoid gui when octave is launched in non-interactive mode (bug #59628)
Torsten Lilge <ttl-octave@mailbox.org>
parents: 27934
diff changeset
392 if (start_gui && eval_code && ! persist_octave)
0fc400f15e35 avoid gui when octave is launched in non-interactive mode (bug #59628)
Torsten Lilge <ttl-octave@mailbox.org>
parents: 27934
diff changeset
393 start_gui = false;
25068
53440f9bffba disallow --gui option without GUI features (bug #53529)
John W. Eaton <jwe@octave.org>
parents: 25054
diff changeset
394
29189
0fc400f15e35 avoid gui when octave is launched in non-interactive mode (bug #59628)
Torsten Lilge <ttl-octave@mailbox.org>
parents: 27934
diff changeset
395 // At this point, we definitely know whether the gui has to
0fc400f15e35 avoid gui when octave is launched in non-interactive mode (bug #59628)
Torsten Lilge <ttl-octave@mailbox.org>
parents: 27934
diff changeset
396 // be launched or not.
0fc400f15e35 avoid gui when octave is launched in non-interactive mode (bug #59628)
Torsten Lilge <ttl-octave@mailbox.org>
parents: 27934
diff changeset
397 // gui_libs and start_gui are just about options, not
29191
ae5d758c10e1 Increase size of dynamic variable new_argv by 1 to avoid indexing out of array.
Rik <rik@octave.org>
parents: 29189
diff changeset
398 // the environment. Exit if they don't make sense.
25068
53440f9bffba disallow --gui option without GUI features (bug #53529)
John W. Eaton <jwe@octave.org>
parents: 25054
diff changeset
399 if (start_gui)
53440f9bffba disallow --gui option without GUI features (bug #53529)
John W. Eaton <jwe@octave.org>
parents: 25054
diff changeset
400 {
29189
0fc400f15e35 avoid gui when octave is launched in non-interactive mode (bug #59628)
Torsten Lilge <ttl-octave@mailbox.org>
parents: 27934
diff changeset
401 // GUI should be started
25068
53440f9bffba disallow --gui option without GUI features (bug #53529)
John W. Eaton <jwe@octave.org>
parents: 25054
diff changeset
402 if (! gui_libs)
53440f9bffba disallow --gui option without GUI features (bug #53529)
John W. Eaton <jwe@octave.org>
parents: 25054
diff changeset
403 {
53440f9bffba disallow --gui option without GUI features (bug #53529)
John W. Eaton <jwe@octave.org>
parents: 25054
diff changeset
404 std::cerr << "octave: conflicting options: --no-gui-libs and --gui"
53440f9bffba disallow --gui option without GUI features (bug #53529)
John W. Eaton <jwe@octave.org>
parents: 25054
diff changeset
405 << std::endl;
53440f9bffba disallow --gui option without GUI features (bug #53529)
John W. Eaton <jwe@octave.org>
parents: 25054
diff changeset
406 return 1;
53440f9bffba disallow --gui option without GUI features (bug #53529)
John W. Eaton <jwe@octave.org>
parents: 25054
diff changeset
407 }
53440f9bffba disallow --gui option without GUI features (bug #53529)
John W. Eaton <jwe@octave.org>
parents: 25054
diff changeset
408
29254
11343ca3c125 allow Octave to operate as a server, executing commands from a queue
John W. Eaton <jwe@octave.org>
parents: 29237
diff changeset
409 if (server)
11343ca3c125 allow Octave to operate as a server, executing commands from a queue
John W. Eaton <jwe@octave.org>
parents: 29237
diff changeset
410 {
11343ca3c125 allow Octave to operate as a server, executing commands from a queue
John W. Eaton <jwe@octave.org>
parents: 29237
diff changeset
411 std::cerr << "octave: conflicting options: --server and --gui"
11343ca3c125 allow Octave to operate as a server, executing commands from a queue
John W. Eaton <jwe@octave.org>
parents: 29237
diff changeset
412 << std::endl;
11343ca3c125 allow Octave to operate as a server, executing commands from a queue
John W. Eaton <jwe@octave.org>
parents: 29237
diff changeset
413 return 1;
11343ca3c125 allow Octave to operate as a server, executing commands from a queue
John W. Eaton <jwe@octave.org>
parents: 29237
diff changeset
414 }
11343ca3c125 allow Octave to operate as a server, executing commands from a queue
John W. Eaton <jwe@octave.org>
parents: 29237
diff changeset
415
25068
53440f9bffba disallow --gui option without GUI features (bug #53529)
John W. Eaton <jwe@octave.org>
parents: 25054
diff changeset
416 #if ! defined (HAVE_OCTAVE_QT_GUI)
53440f9bffba disallow --gui option without GUI features (bug #53529)
John W. Eaton <jwe@octave.org>
parents: 25054
diff changeset
417 std::cerr << "octave: GUI features missing or disabled in this build"
53440f9bffba disallow --gui option without GUI features (bug #53529)
John W. Eaton <jwe@octave.org>
parents: 25054
diff changeset
418 << std::endl;
53440f9bffba disallow --gui option without GUI features (bug #53529)
John W. Eaton <jwe@octave.org>
parents: 25054
diff changeset
419 return 1;
53440f9bffba disallow --gui option without GUI features (bug #53529)
John W. Eaton <jwe@octave.org>
parents: 25054
diff changeset
420 #endif
29189
0fc400f15e35 avoid gui when octave is launched in non-interactive mode (bug #59628)
Torsten Lilge <ttl-octave@mailbox.org>
parents: 27934
diff changeset
421
0fc400f15e35 avoid gui when octave is launched in non-interactive mode (bug #59628)
Torsten Lilge <ttl-octave@mailbox.org>
parents: 27934
diff changeset
422 // Finally, add --gui to the command line options. We can not
0fc400f15e35 avoid gui when octave is launched in non-interactive mode (bug #59628)
Torsten Lilge <ttl-octave@mailbox.org>
parents: 27934
diff changeset
423 // just append it since options after a given file are ignored.
0fc400f15e35 avoid gui when octave is launched in non-interactive mode (bug #59628)
Torsten Lilge <ttl-octave@mailbox.org>
parents: 27934
diff changeset
424 for (int j = k; j > 1; j--)
0fc400f15e35 avoid gui when octave is launched in non-interactive mode (bug #59628)
Torsten Lilge <ttl-octave@mailbox.org>
parents: 27934
diff changeset
425 new_argv[j] = new_argv[j-1];
0fc400f15e35 avoid gui when octave is launched in non-interactive mode (bug #59628)
Torsten Lilge <ttl-octave@mailbox.org>
parents: 27934
diff changeset
426
0fc400f15e35 avoid gui when octave is launched in non-interactive mode (bug #59628)
Torsten Lilge <ttl-octave@mailbox.org>
parents: 27934
diff changeset
427 new_argv[1] = argv[idx_gui];
0fc400f15e35 avoid gui when octave is launched in non-interactive mode (bug #59628)
Torsten Lilge <ttl-octave@mailbox.org>
parents: 27934
diff changeset
428 k++;
25068
53440f9bffba disallow --gui option without GUI features (bug #53529)
John W. Eaton <jwe@octave.org>
parents: 25054
diff changeset
429 }
53440f9bffba disallow --gui option without GUI features (bug #53529)
John W. Eaton <jwe@octave.org>
parents: 25054
diff changeset
430
23796
4f12819a634f Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23767
diff changeset
431 new_argv[k] = nullptr;
17778
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
432
21783
58a4c5633efd Disable plotting graphics when --no-window-system used (bug #48017).
Rik <rik@octave.org>
parents: 21724
diff changeset
433 if (no_display)
58a4c5633efd Disable plotting graphics when --no-window-system used (bug #48017).
Rik <rik@octave.org>
parents: 21724
diff changeset
434 {
58a4c5633efd Disable plotting graphics when --no-window-system used (bug #48017).
Rik <rik@octave.org>
parents: 21724
diff changeset
435 start_gui = false;
58a4c5633efd Disable plotting graphics when --no-window-system used (bug #48017).
Rik <rik@octave.org>
parents: 21724
diff changeset
436 gui_libs = false;
58a4c5633efd Disable plotting graphics when --no-window-system used (bug #48017).
Rik <rik@octave.org>
parents: 21724
diff changeset
437
58a4c5633efd Disable plotting graphics when --no-window-system used (bug #48017).
Rik <rik@octave.org>
parents: 21724
diff changeset
438 file = octave_cli;
58a4c5633efd Disable plotting graphics when --no-window-system used (bug #48017).
Rik <rik@octave.org>
parents: 21724
diff changeset
439 }
58a4c5633efd Disable plotting graphics when --no-window-system used (bug #48017).
Rik <rik@octave.org>
parents: 21724
diff changeset
440 else if (gui_libs || start_gui)
17994
a99b7d656a6c start in CLI mode if display is not available (bug #40685)
John W. Eaton <jwe@octave.org>
parents: 17959
diff changeset
441 {
19785
299fe39163a2 avoid C-style cast warnings from GCC
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
442 int dpy_avail;
17994
a99b7d656a6c start in CLI mode if display is not available (bug #40685)
John W. Eaton <jwe@octave.org>
parents: 17959
diff changeset
443
19785
299fe39163a2 avoid C-style cast warnings from GCC
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
444 const char *display_check_err_msg = display_available (&dpy_avail);
299fe39163a2 avoid C-style cast warnings from GCC
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
445
299fe39163a2 avoid C-style cast warnings from GCC
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
446 if (! dpy_avail)
17994
a99b7d656a6c start in CLI mode if display is not available (bug #40685)
John W. Eaton <jwe@octave.org>
parents: 17959
diff changeset
447 {
a99b7d656a6c start in CLI mode if display is not available (bug #40685)
John W. Eaton <jwe@octave.org>
parents: 17959
diff changeset
448 start_gui = false;
a99b7d656a6c start in CLI mode if display is not available (bug #40685)
John W. Eaton <jwe@octave.org>
parents: 17959
diff changeset
449 gui_libs = false;
a99b7d656a6c start in CLI mode if display is not available (bug #40685)
John W. Eaton <jwe@octave.org>
parents: 17959
diff changeset
450
21284
1bbd799ac7c7 Invoke correct version of octave-cli from main driver program
Mike Miller <mtmiller@octave.org>
parents: 19861
diff changeset
451 file = octave_cli;
17994
a99b7d656a6c start in CLI mode if display is not available (bug #40685)
John W. Eaton <jwe@octave.org>
parents: 17959
diff changeset
452
a99b7d656a6c start in CLI mode if display is not available (bug #40685)
John W. Eaton <jwe@octave.org>
parents: 17959
diff changeset
453 if (warn_display)
a99b7d656a6c start in CLI mode if display is not available (bug #40685)
John W. Eaton <jwe@octave.org>
parents: 17959
diff changeset
454 {
19785
299fe39163a2 avoid C-style cast warnings from GCC
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
455 if (! display_check_err_msg)
299fe39163a2 avoid C-style cast warnings from GCC
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
456 display_check_err_msg = "graphical display unavailable";
299fe39163a2 avoid C-style cast warnings from GCC
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
457
17994
a99b7d656a6c start in CLI mode if display is not available (bug #40685)
John W. Eaton <jwe@octave.org>
parents: 17959
diff changeset
458 std::cerr << "octave: " << display_check_err_msg << std::endl;
18052
0c4a2e95c768 Correct typo in error message when no DISPLAY var set.
Rik <rik@octave.org>
parents: 18012
diff changeset
459 std::cerr << "octave: disabling GUI features" << std::endl;
17994
a99b7d656a6c start in CLI mode if display is not available (bug #40685)
John W. Eaton <jwe@octave.org>
parents: 17959
diff changeset
460 }
a99b7d656a6c start in CLI mode if display is not available (bug #40685)
John W. Eaton <jwe@octave.org>
parents: 17959
diff changeset
461 }
a99b7d656a6c start in CLI mode if display is not available (bug #40685)
John W. Eaton <jwe@octave.org>
parents: 17959
diff changeset
462 }
a99b7d656a6c start in CLI mode if display is not available (bug #40685)
John W. Eaton <jwe@octave.org>
parents: 17959
diff changeset
463
21979
d04da18a407a use OCTAVE_USE_WINDOWS_API more consistently
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
464 #if defined (OCTAVE_USE_WINDOWS_API)
18152
91a3858ef8cf invoke versioned binaries from octave driver program (bug #40957)
John W. Eaton <jwe@octave.org>
parents: 18052
diff changeset
465 file += ".exe";
91a3858ef8cf invoke versioned binaries from octave driver program (bug #40957)
John W. Eaton <jwe@octave.org>
parents: 18052
diff changeset
466 #endif
91a3858ef8cf invoke versioned binaries from octave driver program (bug #40957)
John W. Eaton <jwe@octave.org>
parents: 18052
diff changeset
467
91a3858ef8cf invoke versioned binaries from octave driver program (bug #40957)
John W. Eaton <jwe@octave.org>
parents: 18052
diff changeset
468 new_argv[0] = strsave (file.c_str ());
91a3858ef8cf invoke versioned binaries from octave driver program (bug #40957)
John W. Eaton <jwe@octave.org>
parents: 18052
diff changeset
469
24520
c5c11b07598a refactor signal handling (bug #52757)
John W. Eaton <jwe@octave.org>
parents: 24163
diff changeset
470 // The Octave interpreter may be multithreaded. If so, we attempt to
c5c11b07598a refactor signal handling (bug #52757)
John W. Eaton <jwe@octave.org>
parents: 24163
diff changeset
471 // ensure that signals are delivered to the main interpreter thread
c5c11b07598a refactor signal handling (bug #52757)
John W. Eaton <jwe@octave.org>
parents: 24163
diff changeset
472 // and no others by blocking signals before we exec the Octave
c5c11b07598a refactor signal handling (bug #52757)
John W. Eaton <jwe@octave.org>
parents: 24163
diff changeset
473 // interpreter executable. When that process starts, it will unblock
c5c11b07598a refactor signal handling (bug #52757)
John W. Eaton <jwe@octave.org>
parents: 24163
diff changeset
474 // signals in the main interpreter thread. When running the GUI as a
c5c11b07598a refactor signal handling (bug #52757)
John W. Eaton <jwe@octave.org>
parents: 24163
diff changeset
475 // subprocess, we also unblock signals that the parent process handles
c5c11b07598a refactor signal handling (bug #52757)
John W. Eaton <jwe@octave.org>
parents: 24163
diff changeset
476 // so we can forward them to the child.
c5c11b07598a refactor signal handling (bug #52757)
John W. Eaton <jwe@octave.org>
parents: 24163
diff changeset
477
c5c11b07598a refactor signal handling (bug #52757)
John W. Eaton <jwe@octave.org>
parents: 24163
diff changeset
478 octave_block_async_signals ();
26826
20881d195d20 fix handling of SIGTSTP (bug #51903)
John W. Eaton <jwe@octave.org>
parents: 26376
diff changeset
479 octave_block_signal_by_name ("SIGTSTP");
24520
c5c11b07598a refactor signal handling (bug #52757)
John W. Eaton <jwe@octave.org>
parents: 24163
diff changeset
480
29503
3bfec185c9e2 experimental command window widget with server loop
John W. Eaton <jwe@octave.org>
parents: 29359
diff changeset
481 if (fork_and_exec && gui_libs && start_gui)
17778
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
482 {
23194
c897282f1ec8 always fork and exec when starting the gui (bug #49609)
John W. Eaton <jwe@octave.org>
parents: 23083
diff changeset
483 // Fork and exec when starting the GUI so that we will call
c897282f1ec8 always fork and exec when starting the gui (bug #49609)
John W. Eaton <jwe@octave.org>
parents: 23083
diff changeset
484 // setsid to give up the controlling terminal (if any) and so that
c897282f1ec8 always fork and exec when starting the gui (bug #49609)
John W. Eaton <jwe@octave.org>
parents: 23083
diff changeset
485 // the GUI process will be in a separate process group.
c897282f1ec8 always fork and exec when starting the gui (bug #49609)
John W. Eaton <jwe@octave.org>
parents: 23083
diff changeset
486 //
c897282f1ec8 always fork and exec when starting the gui (bug #49609)
John W. Eaton <jwe@octave.org>
parents: 23083
diff changeset
487 // The GUI process must be in a separate process group so that we
23196
b93e1d29790e * main.in.cc (main): Improve comment.
John W. Eaton <jwe@octave.org>
parents: 23194
diff changeset
488 // can send an interrupt signal to all child processes when
b93e1d29790e * main.in.cc (main): Improve comment.
John W. Eaton <jwe@octave.org>
parents: 23194
diff changeset
489 // interrupting the interpreter. See also bug #49609 and the
b93e1d29790e * main.in.cc (main): Improve comment.
John W. Eaton <jwe@octave.org>
parents: 23194
diff changeset
490 // function pthread_thread_manager::interrupt in the file
b93e1d29790e * main.in.cc (main): Improve comment.
John W. Eaton <jwe@octave.org>
parents: 23194
diff changeset
491 // libgui/src/thread-manager.cc.
23194
c897282f1ec8 always fork and exec when starting the gui (bug #49609)
John W. Eaton <jwe@octave.org>
parents: 23083
diff changeset
492
21927
6f62bd248919 use wrapper functions for mkoctfile and main
John W. Eaton <jwe@octave.org>
parents: 21921
diff changeset
493 gui_pid = octave_fork_wrapper ();
17778
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
494
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
495 if (gui_pid < 0)
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
496 {
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
497 std::cerr << "octave: fork failed!" << std::endl;
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
498
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
499 retval = 1;
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
500 }
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
501 else if (gui_pid == 0)
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
502 {
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
503 // Child.
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
504
21927
6f62bd248919 use wrapper functions for mkoctfile and main
John W. Eaton <jwe@octave.org>
parents: 21921
diff changeset
505 if (octave_setsid_wrapper () < 0)
17778
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
506 {
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
507 std::cerr << "octave: error calling setsid!" << std::endl;
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
508
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
509 retval = 1;
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
510 }
18722
f8203daed9d4 Abort Octave GUI if setsid() fails after fork().
Rik <rik@octave.org>
parents: 18361
diff changeset
511 else
f8203daed9d4 Abort Octave GUI if setsid() fails after fork().
Rik <rik@octave.org>
parents: 18361
diff changeset
512 retval = octave_exec (file, new_argv);
17778
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
513 }
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
514 else
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
515 {
18007
25b6fbe82827 Make the CLI the default for the 3.8 release.
Rik <rik@octave.org>
parents: 18006
diff changeset
516 // Parent. Forward signals to child while waiting for it to exit.
17778
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
517
24520
c5c11b07598a refactor signal handling (bug #52757)
John W. Eaton <jwe@octave.org>
parents: 24163
diff changeset
518 install_signal_handlers ();
c5c11b07598a refactor signal handling (bug #52757)
John W. Eaton <jwe@octave.org>
parents: 24163
diff changeset
519
c5c11b07598a refactor signal handling (bug #52757)
John W. Eaton <jwe@octave.org>
parents: 24163
diff changeset
520 octave_unblock_async_signals ();
26826
20881d195d20 fix handling of SIGTSTP (bug #51903)
John W. Eaton <jwe@octave.org>
parents: 26376
diff changeset
521 octave_unblock_signal_by_name ("SIGTSTP");
24520
c5c11b07598a refactor signal handling (bug #52757)
John W. Eaton <jwe@octave.org>
parents: 24163
diff changeset
522
17778
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
523 int status;
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
524
17865
dde06c2ac6c6 improve signal handling in driver program
John W. Eaton <jwe@octave.org>
parents: 17814
diff changeset
525 while (true)
17778
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
526 {
21921
ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros
John W. Eaton <jwe@octave.org>
parents: 21783
diff changeset
527 octave_waitpid_wrapper (gui_pid, &status, 0);
17778
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
528
17865
dde06c2ac6c6 improve signal handling in driver program
John W. Eaton <jwe@octave.org>
parents: 17814
diff changeset
529 if (caught_signal > 0)
17778
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
530 {
17865
dde06c2ac6c6 improve signal handling in driver program
John W. Eaton <jwe@octave.org>
parents: 17814
diff changeset
531 int sig = caught_signal;
dde06c2ac6c6 improve signal handling in driver program
John W. Eaton <jwe@octave.org>
parents: 17814
diff changeset
532
dde06c2ac6c6 improve signal handling in driver program
John W. Eaton <jwe@octave.org>
parents: 17814
diff changeset
533 caught_signal = -1;
17778
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
534
21941
1d23b75cbcd1 hide signal.h from C++ sources
John W. Eaton <jwe@octave.org>
parents: 21927
diff changeset
535 octave_kill_wrapper (gui_pid, sig);
17865
dde06c2ac6c6 improve signal handling in driver program
John W. Eaton <jwe@octave.org>
parents: 17814
diff changeset
536 }
21921
ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros
John W. Eaton <jwe@octave.org>
parents: 21783
diff changeset
537 else if (octave_wifexited_wrapper (status))
17865
dde06c2ac6c6 improve signal handling in driver program
John W. Eaton <jwe@octave.org>
parents: 17814
diff changeset
538 {
21921
ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros
John W. Eaton <jwe@octave.org>
parents: 21783
diff changeset
539 retval = octave_wexitstatus_wrapper (status);
17865
dde06c2ac6c6 improve signal handling in driver program
John W. Eaton <jwe@octave.org>
parents: 17814
diff changeset
540 break;
dde06c2ac6c6 improve signal handling in driver program
John W. Eaton <jwe@octave.org>
parents: 17814
diff changeset
541 }
21921
ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros
John W. Eaton <jwe@octave.org>
parents: 21783
diff changeset
542 else if (octave_wifsignaled_wrapper (status))
17865
dde06c2ac6c6 improve signal handling in driver program
John W. Eaton <jwe@octave.org>
parents: 17814
diff changeset
543 {
dde06c2ac6c6 improve signal handling in driver program
John W. Eaton <jwe@octave.org>
parents: 17814
diff changeset
544 std::cerr << "octave exited with signal "
21921
ecfcc8527661 hide sys/wait.h header and provide wrappers for waitpid macros
John W. Eaton <jwe@octave.org>
parents: 21783
diff changeset
545 << octave_wtermsig_wrapper (status) << std::endl;
17778
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
546 break;
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
547 }
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
548 }
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
549 }
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
550 }
17801
0b81d65d3c49 only fork and exec when starting gui
John W. Eaton <jwe@octave.org>
parents: 17789
diff changeset
551 else
21949
baeffde5c87d fix build for Windows systems
John W. Eaton <jwe@octave.org>
parents: 21944
diff changeset
552 {
baeffde5c87d fix build for Windows systems
John W. Eaton <jwe@octave.org>
parents: 21944
diff changeset
553 retval = octave_exec (file, new_argv);
baeffde5c87d fix build for Windows systems
John W. Eaton <jwe@octave.org>
parents: 21944
diff changeset
554
baeffde5c87d fix build for Windows systems
John W. Eaton <jwe@octave.org>
parents: 21944
diff changeset
555 if (retval < 0)
baeffde5c87d fix build for Windows systems
John W. Eaton <jwe@octave.org>
parents: 21944
diff changeset
556 std::cerr << argv[0] << ": " << std::strerror (errno) << std::endl;
baeffde5c87d fix build for Windows systems
John W. Eaton <jwe@octave.org>
parents: 21944
diff changeset
557 }
17778
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
558
17813
0a887758d1cc fix compilation of main.cc on Windows
John W. Eaton <jwe@octave.org>
parents: 17805
diff changeset
559
17778
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
560 return retval;
b5d58667d32d new main program wrapper to handle giving up controlling tty
John W. Eaton <jwe@octave.org>
parents:
diff changeset
561 }