annotate src/syscalls.cc @ 2937:9d26524e2869

[project @ 1997-05-06 05:49:53 by jwe]
author jwe
date Tue, 06 May 1997 05:55:13 +0000
parents 66ef74ee5d9f
children 38de16594cb4
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1 /*
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2
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3 Copyright (C) 1996, 1997 John W. Eaton
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 2, or (at your option) any
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10 later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, write to the Free
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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20
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21 */
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22
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23 // Thomas Baier <baier@ci.tuwien.ac.at> added the original versions of
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24 // the following functions:
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25 //
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26 // mkfifo unlink waitpid
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27
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28 #ifdef HAVE_CONFIG_H
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29 #include <config.h>
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30 #endif
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31
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32 #include <cerrno>
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33 #include <cstdio>
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34 #include <cstring>
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35
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36 #ifdef HAVE_UNISTD_H
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37 #ifdef HAVE_SYS_TYPES_H
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38 #include <sys/types.h>
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39 #endif
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40 #include <unistd.h>
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41 #endif
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42
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43 #ifdef HAVE_FCNTL_H
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44 #include <fcntl.h>
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45 #endif
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46
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47 #include "file-ops.h"
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48 #include "file-stat.h"
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49 #include "oct-syscalls.h"
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50
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51 #include "defun.h"
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52 #include "error.h"
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53 #include "gripes.h"
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54 #include "help.h"
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55 #include "lo-utils.h"
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56 #include "oct-map.h"
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57 #include "oct-obj.h"
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58 #include "oct-stdstrm.h"
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59 #include "oct-stream.h"
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60 #include "sysdep.h"
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61 #include "syswait.h"
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62 #include "utils.h"
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63 #include "variables.h"
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64
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65 static Octave_map
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66 mk_stat_map (const file_stat& fs)
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67 {
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68 Octave_map m;
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69
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70 m["dev"] = static_cast<double> (fs.dev ());
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71 m["ino"] = static_cast<double> (fs.ino ());
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72 m["modestr"] = fs.mode_as_string ();
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73 m["nlink"] = static_cast<double> (fs.nlink ());
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74 m["uid"] = static_cast<double> (fs.uid ());
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75 m["gid"] = static_cast<double> (fs.gid ());
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76 #if defined (HAVE_ST_RDEV)
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77 m["rdev"] = static_cast<double> (fs.rdev ());
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78 #endif
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79 m["size"] = static_cast<double> (fs.size ());
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80 m["atime"] = static_cast<double> (fs.atime ());
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81 m["mtime"] = static_cast<double> (fs.mtime ());
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82 m["ctime"] = static_cast<double> (fs.ctime ());
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83 #if defined (HAVE_ST_BLKSIZE)
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84 m["blksize"] = static_cast<double> (fs.blksize ());
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85 #endif
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86 #if defined (HAVE_ST_BLOCKS)
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87 m["blocks"] = static_cast<double> (fs.blocks ());
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88 #endif
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89
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90 return m;
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91 }
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92
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93 DEFUN (dup2, args, ,
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94 "[FID, MSG] = dup2 (OLD, NEW)\n\
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95 \n\
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96 Duplicate a file descriptor.\n\
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97 \n\
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98 If successful, FID is greater than zero and contains the new file ID.\n\
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99 Otherwise, FID is negative and MSG contains a system-dependent error message.")
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100 {
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101 octave_value_list retval;
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102
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103 retval(1) = string ();
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104 retval(0) = -1.0;
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105
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106 int nargin = args.length ();
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107
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108 if (nargin == 2)
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109 {
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110 double d_old = args(0).double_value ();
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111 double d_new = args(1).double_value ();
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112
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113 if (! error_state)
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114 {
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115 if (D_NINT (d_old) == d_old && D_NINT (d_new) == d_new)
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116 {
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117 int i_old = NINT (d_old);
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118 int i_new = NINT (d_new);
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119
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120 // XXX FIXME XXX -- are these checks sufficient?
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121 if (i_old >= 0 && i_new >= 0)
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122 {
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123 string msg;
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124
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125 int status = octave_syscalls::dup2 (i_old, i_new, msg);
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126
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127 retval(0) = static_cast<double> (status);
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128 retval(1) = msg;
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129 }
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130 else
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131 error ("dup2: invalid file id");
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132 }
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133 else
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134 error ("dup2: arguments must be integer values");
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135 }
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136 }
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137 else
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138 print_usage ("dup2");
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139
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140 return retval;
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141 }
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142
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143 DEFUN (exec, args, ,
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144 "[STATUS, MSG] = exec (FILE, ARGS)\n\
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145 \n\
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146 Replace current process with a new process.\n\
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147 \n\
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148 If successful, exec does not return. If exec does return, status will\n\
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149 be nonzero, and MSG will contain a system-dependent error message.")
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150 {
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151 octave_value_list retval;
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152
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153 retval(1) = string ();
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154 retval(0) = -1.0;
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155
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156 int nargin = args.length ();
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157
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158 if (nargin == 1 || nargin == 2)
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159 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
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parents:
diff changeset
160 string exec_file = args(0).string_value ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
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parents:
diff changeset
161
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
162 if (! error_state)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
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parents:
diff changeset
163 {
2937
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164 string_vector exec_args;
2075
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165
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
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parents:
diff changeset
166 if (nargin == 2)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
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diff changeset
167 {
2937
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diff changeset
168 string_vector tmp = args(1).all_strings ();
2075
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169
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
170 if (! error_state)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
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parents:
diff changeset
171 {
2937
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172 int len = tmp.length ();
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173
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diff changeset
174 exec_args.resize (len + 1);
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175
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diff changeset
176 exec_args[0] = exec_file;
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177
2937
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diff changeset
178 for (int i = 0; i < len; i++)
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diff changeset
179 exec_args[i+1] = tmp[i];
2075
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180 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
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parents:
diff changeset
181 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
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parents:
diff changeset
182 error ("exec: arguments must be strings");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
183 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
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parents:
diff changeset
184 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
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diff changeset
185 {
2937
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186 exec_args.resize (1);
2075
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187
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188 exec_args[0] = exec_file;
2075
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189 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
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diff changeset
190
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
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parents:
diff changeset
191 if (! error_state)
2669
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192 {
2937
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193 string msg;
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
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parents: 2926
diff changeset
194
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
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diff changeset
195 int status = octave_syscalls::execvp (exec_file, exec_args, msg);
2669
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196
2800
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197 retval(0) = static_cast<double> (status);
2937
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198 retval(1) = msg;
2669
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diff changeset
199 }
2075
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parents:
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200 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
201 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
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parents:
diff changeset
202 error ("exec: first argument must be a string");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
203 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
204 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
205 print_usage ("exec");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
206
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
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parents:
diff changeset
207 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
208 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
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diff changeset
209
2457
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diff changeset
210 DEFUN (fcntl, args, ,
2669
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211 "[STATUS, MSG] = fcntl (FID, REQUEST, ARGUMENT)\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
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212 \n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
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parents: 2475
diff changeset
213 Control open file descriptors.\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
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diff changeset
214 \n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
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parents: 2475
diff changeset
215 If successful, STATUS is 0 and MSG is an empty string. Otherwise,\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
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parents: 2475
diff changeset
216 STATUS is nonzero and MSG contains a system-dependent error message.")
2075
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diff changeset
217 {
2669
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diff changeset
218 octave_value_list retval;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
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parents: 2475
diff changeset
219
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
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diff changeset
220 retval(1) = string ();
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diff changeset
221 retval(0) = -1.0;
2075
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parents:
diff changeset
222
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
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parents:
diff changeset
223 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
224
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
225 if (nargin == 3)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
226 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
227 double d_fid = args(0).double_value ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
228 double d_req = args(1).double_value ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
229 double d_arg = args(2).double_value ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
230
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
231 if (! error_state
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
232 && D_NINT (d_fid) == d_fid
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
233 && D_NINT (d_req) == d_req
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
234 && D_NINT (d_arg) == d_arg)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
235 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
236 int fid = NINT (d_fid);
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
237 int req = NINT (d_req);
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
238 int arg = NINT (d_arg);
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
239
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
240 // XXX FIXME XXX -- Need better checking here?
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
241 if (fid < 0)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
242 error ("fcntl: invalid file id");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
243 else
2669
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parents: 2475
diff changeset
244 {
2937
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parents: 2926
diff changeset
245 string msg;
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
246
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
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parents: 2926
diff changeset
247 int status = octave_syscalls::fcntl (fid, req, arg, msg);
2669
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diff changeset
248
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
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parents: 2669
diff changeset
249 retval(0) = static_cast<double> (status);
2937
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parents: 2926
diff changeset
250 retval(1) = msg;
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
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parents: 2475
diff changeset
251 }
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
252 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
253 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
254 error ("fcntl: file id must be an integer");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
255 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
256 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
257 print_usage ("fcntl");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
258
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
259 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
260 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
261
2457
5be3f6f5986a [project @ 1996-11-03 02:54:44 by jwe]
jwe
parents: 2442
diff changeset
262 DEFUN (fork, args, ,
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
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parents: 2475
diff changeset
263 "[PID, MSG] = fork ()\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
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parents: 2475
diff changeset
264 \n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
265 Create a copy of the current process.\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
266 \n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
267 If successful, PID is either the process ID and you are in the parent,\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
268 or 0, and you are in the child. If PID is less than zero, an error\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
269 has occured, and MSG contains a system-dependent error message.")
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
270 {
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
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parents: 2475
diff changeset
271 octave_value_list retval;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
272
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
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parents: 2475
diff changeset
273 retval(1) = string ();
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
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parents: 2475
diff changeset
274 retval(0) = -1.0;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
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parents:
diff changeset
275
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
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parents:
diff changeset
276 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
277
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
278 if (nargin == 0)
2475
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parents: 2473
diff changeset
279 {
2937
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parents: 2926
diff changeset
280 string msg;
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
281
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
282 pid_t pid = octave_syscalls::fork (msg);
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
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parents: 2475
diff changeset
283
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
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parents: 2669
diff changeset
284 retval(0) = static_cast<double> (pid);
2937
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parents: 2926
diff changeset
285 retval(1) = msg;
2475
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
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parents: 2473
diff changeset
286 }
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
287 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
288 print_usage ("fork");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
289
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
290 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
291 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
292
2457
5be3f6f5986a [project @ 1996-11-03 02:54:44 by jwe]
jwe
parents: 2442
diff changeset
293 DEFUN (getpgrp, args, ,
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
294 "pgid = getpgrp (): return the process group id of the current process")
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
295 {
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
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parents: 2926
diff changeset
296 octave_value_list retval;
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
297
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
298 retval(1) = string ();
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
299 retval(0) = -1.0;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
300
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
301 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
302
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
303 if (nargin == 0)
2475
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
304 {
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
305 string msg;
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
306
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
307 retval(0) = static_cast<double> (octave_syscalls::getpgrp (msg));
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
308 retval(1) = msg;
2475
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
309 }
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
310 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
311 print_usage ("getpgrp");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
312
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
313 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
314 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
315
2457
5be3f6f5986a [project @ 1996-11-03 02:54:44 by jwe]
jwe
parents: 2442
diff changeset
316 DEFUN (getpid, args, ,
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
317 "pid = getpid (): return the process id of the current process")
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
318 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
319 double retval = -1.0;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
320
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
321 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
322
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
323 if (nargin == 0)
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
324 retval = octave_syscalls::getpid ();
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
325 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
326 print_usage ("getpid");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
327
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
328 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
329 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
330
2457
5be3f6f5986a [project @ 1996-11-03 02:54:44 by jwe]
jwe
parents: 2442
diff changeset
331 DEFUN (getppid, args, ,
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
332 "pid = getppid (): return the process id of the parent process")
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
333 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
334 double retval = -1.0;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
335
2475
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
336 int nargin = args.length ();
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
337
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
338 if (nargin == 0)
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
339 retval = octave_syscalls::getppid ();
2475
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
340 else
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
341 print_usage ("getppid");
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
342
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
343 return retval;
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
344 }
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
345
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
346 DEFUN (getegid, args, ,
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
347 "gid = getegid (): return the effective group id of the current process")
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
348 {
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
349 double retval = -1.0;
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
350
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
351 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
352
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
353 if (nargin == 0)
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
354 retval = octave_syscalls::getegid ();
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
355 else
2475
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
356 print_usage ("getegid");
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
357
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
358 return retval;
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
359 }
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
360
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
361 DEFUN (getgid, args, ,
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
362 "gid = getgid (): return the real group id of the current process")
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
363 {
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
364 double retval = -1.0;
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
365
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
366 int nargin = args.length ();
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
367
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
368 if (nargin == 0)
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
369 retval = octave_syscalls::getgid ();
2475
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
370 else
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
371 print_usage ("getgid");
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
372
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
373 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
374 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
375
2473
bb0c213e5885 [project @ 1996-11-06 04:34:55 by jwe]
jwe
parents: 2472
diff changeset
376 DEFUN (geteuid, args, ,
2472
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
377 "uid = geteuid (): return the effective user id of the current process")
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
378 {
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
379 double retval = -1.0;
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
380
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
381 int nargin = args.length ();
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
382
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
383 if (nargin == 0)
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
384 retval = octave_syscalls::geteuid ();
2472
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
385 else
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
386 print_usage ("geteuid");
2473
bb0c213e5885 [project @ 1996-11-06 04:34:55 by jwe]
jwe
parents: 2472
diff changeset
387
bb0c213e5885 [project @ 1996-11-06 04:34:55 by jwe]
jwe
parents: 2472
diff changeset
388 return retval;
2472
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
389 }
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
390
2473
bb0c213e5885 [project @ 1996-11-06 04:34:55 by jwe]
jwe
parents: 2472
diff changeset
391 DEFUN (getuid, args, ,
2472
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
392 "uid = getuid (): return the real user id of the current process")
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
393 {
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
394 double retval = -1.0;
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
395
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
396 int nargin = args.length ();
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
397
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
398 if (nargin == 0)
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
399 retval = octave_syscalls::getuid ();
2472
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
400 else
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
401 print_usage ("getuid");
2473
bb0c213e5885 [project @ 1996-11-06 04:34:55 by jwe]
jwe
parents: 2472
diff changeset
402
bb0c213e5885 [project @ 1996-11-06 04:34:55 by jwe]
jwe
parents: 2472
diff changeset
403 return retval;
2472
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
404 }
0c788e9b53b8 [project @ 1996-11-06 04:10:07 by jwe]
jwe
parents: 2457
diff changeset
405
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
406 DEFUN (lstat, args, ,
2262
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
407 "[S, ERR, MSG] = lstat (NAME)\n\
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
408 \n\
2262
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
409 Like [S, ERR, MSG] = stat (NAME), but if NAME refers to a symbolic\n\
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
410 link, returns information about the link itself, not the file that it\n\
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
411 points to.")
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
412 {
2263
dafbde8087e6 [project @ 1996-05-23 18:44:40 by jwe]
jwe
parents: 2262
diff changeset
413 octave_value_list retval;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
414
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
415 if (args.length () == 1)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
416 {
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2902
diff changeset
417 string fname = file_ops::tilde_expand (args(0).string_value ());
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
418
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
419 if (! error_state)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
420 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
421 file_stat fs (fname, false);
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
422
2263
dafbde8087e6 [project @ 1996-05-23 18:44:40 by jwe]
jwe
parents: 2262
diff changeset
423 if (fs)
2262
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
424 {
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
425 retval(2) = string ();
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
426 retval(1) = 0.0;
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
427 retval(0) = octave_value (mk_stat_map (fs));
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
428 }
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
429 else
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
430 {
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
431 retval(2) = fs.error ();
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
432 retval(1) = -1.0;
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
433 retval(0) = Matrix ();
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
434 }
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
435 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
436 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
437 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
438 print_usage ("lstat");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
439
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
440 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
441 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
442
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
443 DEFUN (mkfifo, args, ,
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
444 "[STATUS, MSG] = mkfifo (NAME, MODE)\n\
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
445 \n\
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
446 Create a FIFO special file named NAME with file mode MODE\n\
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
447 \n\
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
448 If successful, STATUS is 0 and MSG is an empty string. Otherwise,\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
449 STATUS is nonzero and MSG contains a system-dependent error message.")
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
450 {
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
451 octave_value_list retval;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
452
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
453 retval(1) = string ();
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
454 retval(0) = -1.0;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
455
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
456 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
457
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
458 if (nargin == 2)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
459 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
460 if (args(0).is_string ())
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
461 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
462 string name = args(0).string_value ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
463
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
464 if (args(1).is_scalar_type ())
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
465 {
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
466 long mode = static_cast<long> (args(1).double_value ());
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
467
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
468 string msg;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
469
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2902
diff changeset
470 int status = file_ops::mkfifo (name, mode, msg);
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
471
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
472 retval(0) = static_cast<double> (status);
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
473
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
474 if (status < 0)
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
475 retval(1) = msg;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
476 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
477 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
478 error ("mkfifo: MODE must be an integer");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
479 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
480 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
481 error ("mkfifo: file name must be a string");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
482 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
483 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
484 print_usage ("mkfifo");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
485
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
486 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
487 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
488
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
489 DEFUN (pipe, args, ,
2902
c5b7a019b9ed [project @ 1997-04-30 03:46:53 by jwe]
jwe
parents: 2847
diff changeset
490 "[FILE_LIST, STATUS, MSG] = pipe (): create an interprocess channel.\n\
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
491 \n\
2902
c5b7a019b9ed [project @ 1997-04-30 03:46:53 by jwe]
jwe
parents: 2847
diff changeset
492 Return the file objects corresponding to the reading and writing ends of\n\
c5b7a019b9ed [project @ 1997-04-30 03:46:53 by jwe]
jwe
parents: 2847
diff changeset
493 the pipe, as a two-element list.\n\
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
494 \n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
495 If successful, STATUS is 0 and MSG is an empty string. Otherwise,\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
496 STATUS is nonzero and MSG contains a system-dependent error message.")
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
497 {
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
498 octave_value_list retval;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
499
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
500 retval(2) = string ();
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
501 retval(1) = -1.0;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
502 retval(0) = Matrix ();
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
503
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
504 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
505
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
506 if (nargin == 0)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
507 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
508 int fid[2];
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
509
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
510 string msg;
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
511
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
512 int status = octave_syscalls::pipe (fid, msg);
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
513
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
514 if (status < 0)
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
515 retval(2) = msg;
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
516 else
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
517 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
518 FILE *in_file = fdopen (fid[0], "r");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
519 FILE *out_file = fdopen (fid[1], "w");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
520
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
521 octave_istdiostream *is
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
522 = new octave_istdiostream (string (), in_file);
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
523
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
524 octave_ostdiostream *os
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
525 = new octave_ostdiostream (string (), out_file);
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
526
2902
c5b7a019b9ed [project @ 1997-04-30 03:46:53 by jwe]
jwe
parents: 2847
diff changeset
527 octave_value_list file_ids;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
528
2902
c5b7a019b9ed [project @ 1997-04-30 03:46:53 by jwe]
jwe
parents: 2847
diff changeset
529 file_ids(1) = octave_stream_list::insert (os);
c5b7a019b9ed [project @ 1997-04-30 03:46:53 by jwe]
jwe
parents: 2847
diff changeset
530 file_ids(0) = octave_stream_list::insert (is);
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
531
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
532 retval(1) = static_cast<double> (status);
2902
c5b7a019b9ed [project @ 1997-04-30 03:46:53 by jwe]
jwe
parents: 2847
diff changeset
533 retval(0) = octave_value (file_ids);
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
534 }
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
535 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
536 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
537 print_usage ("pipe");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
538
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
539 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
540 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
541
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
542 DEFUN (stat, args, ,
2262
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
543 "[S, ERR, MSG] = stat (NAME)\n\
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
544 \n\
2802
bca5fbab2e52 [project @ 1997-03-09 11:02:27 by jwe]
jwe
parents: 2800
diff changeset
545 Given the name of a file, return a structure S with the following\n\
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
546 elements:\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
547 \n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
548 dev : id of device containing a directory entry for this file\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
549 ino : file number of the file\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
550 modestr : file mode, as a string of ten letters or dashes as in ls -l\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
551 nlink : number of links\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
552 uid : user id of file's owner\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
553 gid : group id of file's group \n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
554 rdev : id of device for block or character special files\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
555 size : size in bytes\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
556 atime : time of last access\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
557 mtime : time of last modification\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
558 ctime : time of last file status change\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
559 blksize : size of blocks in the file\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
560 blocks : number of blocks allocated for file\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
561 \n\
2262
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
562 If the call is successful, ERR is 0 and MSG is an empty string.\n\
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
563 \n\
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
564 If the file does not exist, or some other error occurs, S is an\n\
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
565 empty matrix, ERR is -1, and MSG contains the corresponding\n\
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
566 system error message.")
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
567 {
2262
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
568 octave_value_list retval;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
569
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
570 if (args.length () == 1)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
571 {
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2902
diff changeset
572 string fname = file_ops::tilde_expand (args(0).string_value ());
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
573
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
574 if (! error_state)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
575 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
576 file_stat fs (fname);
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
577
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
578 if (fs)
2262
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
579 {
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
580 retval(2) = string ();
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
581 retval(1) = 0.0;
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
582 retval(0) = octave_value (mk_stat_map (fs));
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
583 }
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
584 else
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
585 {
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
586 retval(2) = fs.error ();
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
587 retval(1) = -1.0;
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
588 retval(0) = Matrix ();
1300df4a33d6 [project @ 1996-05-23 06:49:32 by jwe]
jwe
parents: 2086
diff changeset
589 }
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
590 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
591 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
592 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
593 print_usage ("stat");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
594
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
595 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
596 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
597
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
598 DEFUN (unlink, args, ,
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
599 "[STATUS, MSG] = unlink (NAME)\n\
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
600 \n\
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
601 Delete the file NAME\n\
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
602 \n\
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
603 If successful, STATUS is 0 and MSG is an empty string. Otherwise,\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
604 STATUS is nonzero and MSG contains a system-dependent error message.")
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
605 {
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
606 octave_value_list retval;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
607
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
608 retval(1) = string ();
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
609 retval(0) = -1.0;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
610
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
611 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
612
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
613 if (nargin == 1)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
614 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
615 if (args(0).is_string ())
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
616 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
617 string name = args(0).string_value ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
618
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
619 string msg;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
620
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2902
diff changeset
621 int status = file_ops::unlink (name, msg);
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
622
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
623 retval(0) = static_cast<double> (status);
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
624 retval(1) = msg;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
625 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
626 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
627 error ("unlink: file name must be a string");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
628 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
629 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
630 print_usage ("unlink");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
631
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
632 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
633 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
634
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
635 DEFUN (waitpid, args, ,
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
636 "[PID, MSG] = waitpid (PID, OPTIONS)\n\
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
637 \n\
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
638 Wait for process PID to terminate\n\
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
639 \n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
640 PID can be:\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
641 \n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
642 -1 : wait for any child process\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
643 0 : wait for any child process whose process group ID is equal to\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
644 that of the Octave interpreter process.\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
645 > 0 : wait for termination of the child process with ID PID.\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
646 \n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
647 OPTIONS is:\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
648 \n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
649 0 : wait until signal is received or a child process exits (this\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
650 is the default if the OPTIONS argument is missing) \n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
651 1 : do not hang if status is not immediately available\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
652 2 : report the status of any child processes that are\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
653 stopped, and whose status has not yet been reported\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
654 since they stopped\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
655 3 : implies both 1 and 2\n\
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
656 \n\
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
657 If successful, PID is greater than 0 and contains the process ID of\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
658 the child process that exited and MSG is an empty string.\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
659 Otherwise, PID is less than zero and MSG contains a system-dependent\n\
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
660 error message.")
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
661 {
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
662 octave_value_list retval;
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
663
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
664 retval(1) = string ();
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
665 retval(0) = -1.0;
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
666
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
667 int nargin = args.length ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
668
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
669 if (nargin == 1 || nargin == 2)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
670 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
671 double pid_num = args(0).double_value ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
672
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
673 if (! error_state)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
674 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
675 if (D_NINT (pid_num) != pid_num)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
676 error ("waitpid: PID must be an integer value");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
677 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
678 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
679 pid_t pid = (pid_t) pid_num;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
680
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
681 int options = 0;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
682
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
683 if (args.length () == 2)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
684 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
685 double options_num = args(1).double_value ();
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
686
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
687 if (! error_state)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
688 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
689 if (D_NINT (options_num) != options_num)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
690 error ("waitpid: PID must be an integer value");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
691 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
692 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
693 options = NINT (options_num);
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
694 if (options < 0 || options > 3)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
695 error ("waitpid: invalid OPTIONS value specified");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
696 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
697 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
698 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
699
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
700 if (! error_state)
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
701 {
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
702 string msg;
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
703
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
704 pid_t status
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
705 = octave_syscalls::waitpid (pid, options, msg);
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
706
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
707 retval(0) = static_cast<double> (status);
2937
9d26524e2869 [project @ 1997-05-06 05:49:53 by jwe]
jwe
parents: 2926
diff changeset
708 retval(1) = msg;
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
709 }
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
710 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
711 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
712 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
713 else
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
714 print_usage ("waitpid");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
715
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
716 return retval;
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
717 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
718
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
719 #if !defined (O_NONBLOCK) && defined (O_NDELAY)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
720 #define O_NONBLOCK O_NDELAY
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
721 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
722
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
723 void
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
724 symbols_of_syscalls (void)
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
725 {
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
726 #if defined (F_DUPFD)
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
727 DEFCONST (F_DUPFD, static_cast<double> (F_DUPFD), 0, 0,
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
728 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
729 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
730
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
731 #if defined (F_GETFD)
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
732 DEFCONST (F_GETFD, static_cast<double> (F_GETFD), 0, 0,
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
733 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
734 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
735
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
736 #if defined (F_GETFL)
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
737 DEFCONST (F_GETFL, static_cast<double> (F_GETFL), 0, 0,
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
738 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
739 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
740
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
741 #if defined (F_SETFD)
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
742 DEFCONST (F_SETFD, static_cast<double> (F_SETFD), 0, 0,
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
743 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
744 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
745
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
746 #if defined (F_SETFL)
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
747 DEFCONST (F_SETFL, static_cast<double> (F_SETFL), 0, 0,
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
748 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
749 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
750
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
751 #if defined (O_APPEND)
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
752 DEFCONST (O_APPEND, static_cast<double> (O_APPEND), 0, 0,
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
753 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
754 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
755
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
756 #if defined (O_ASYNC)
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
757 DEFCONST (O_ASYNC, static_cast<double> (O_ASYNC), 0, 0,
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
758 "");
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
759 #endif
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
760
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
761 #if defined (O_CREAT)
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
762 DEFCONST (O_CREAT, static_cast<double> (O_CREAT), 0, 0,
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
763 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
764 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
765
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
766 #if defined (O_EXCL)
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
767 DEFCONST (O_EXCL, static_cast<double> (O_EXCL), 0, 0,
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
768 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
769 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
770
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
771 #if defined (O_NONBLOCK)
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
772 DEFCONST (O_NONBLOCK, static_cast<double> (O_NONBLOCK), 0, 0,
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
773 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
774 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
775
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
776 #if defined (O_RDONLY)
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
777 DEFCONST (O_RDONLY, static_cast<double> (O_RDONLY), 0, 0,
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
778 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
779 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
780
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
781 #if defined (O_RDWR)
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
782 DEFCONST (O_RDWR, static_cast<double> (O_RDWR), 0, 0,
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
783 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
784 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
785
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
786 #if defined (O_SYNC)
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
787 DEFCONST (O_SYNC, static_cast<double> (O_SYNC), 0, 0,
2669
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
788 "");
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
789 #endif
c821858188b6 [project @ 1997-02-13 18:25:39 by jwe]
jwe
parents: 2475
diff changeset
790
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
791 #if defined (O_TRUNC)
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
792 DEFCONST (O_TRUNC, static_cast<double> (O_TRUNC), 0, 0,
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
793 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
794 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
795
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
796 #if defined (O_WRONLY)
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2669
diff changeset
797 DEFCONST (O_WRONLY, static_cast<double> (O_WRONLY), 0, 0,
2075
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
798 "");
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
799 #endif
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
800 }
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
801
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
802 /*
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
803 ;;; Local Variables: ***
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
804 ;;; mode: C++ ***
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
805 ;;; End: ***
ad74682dc97e [project @ 1996-04-23 23:59:15 by jwe]
jwe
parents:
diff changeset
806 */