Mercurial > octave
annotate libinterp/corefcn/syscalls.cc @ 23083:e9a0469dedd9 stable
maint: strip extra trailing newlines from files.
author | John W. Eaton <jwe@octave.org> |
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date | Fri, 20 Jan 2017 12:19:08 -0500 |
parents | 9e415e57a6a7 |
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2075 | 1 /* |
2 | |
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3 Copyright (C) 1996-2016 John W. Eaton |
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4 Copyright (C) 2010 VZLU Prague |
2075 | 5 |
6 This file is part of Octave. | |
7 | |
8 Octave is free software; you can redistribute it and/or modify it | |
9 under the terms of the GNU General Public License as published by the | |
7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
11 option) any later version. | |
2075 | 12 |
13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 for more details. | |
17 | |
18 You should have received a copy of the GNU General Public License | |
7016 | 19 along with Octave; see the file COPYING. If not, see |
20 <http://www.gnu.org/licenses/>. | |
2075 | 21 |
22 */ | |
23 | |
24 // Thomas Baier <baier@ci.tuwien.ac.at> added the original versions of | |
25 // the following functions: | |
26 // | |
27 // mkfifo unlink waitpid | |
28 | |
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29 #if defined (HAVE_CONFIG_H) |
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30 # include "config.h" |
2075 | 31 #endif |
32 | |
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33 #include <ctime> |
2075 | 34 #include <cstdio> |
2669 | 35 #include <cstring> |
2075 | 36 |
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37 #include "cmd-hist.h" |
21911 | 38 #include "fcntl-wrappers.h" |
2926 | 39 #include "file-ops.h" |
40 #include "file-stat.h" | |
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41 #include "lo-utils.h" |
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42 #include "oct-env.h" |
2937 | 43 #include "oct-syscalls.h" |
5547 | 44 #include "oct-uname.h" |
2926 | 45 |
2075 | 46 #include "defun.h" |
47 #include "error.h" | |
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48 #include "errwarn.h" |
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49 #include "oct-hist.h" |
2075 | 50 #include "oct-map.h" |
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51 #include "ovl.h" |
2075 | 52 #include "oct-stdstrm.h" |
53 #include "oct-stream.h" | |
54 #include "sysdep.h" | |
55 #include "utils.h" | |
2366 | 56 #include "variables.h" |
6321 | 57 #include "input.h" |
2075 | 58 |
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59 static octave_scalar_map |
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60 mk_stat_map (const octave::sys::base_file_stat& fs) |
2075 | 61 { |
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62 static bool have_rdev = |
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63 octave::sys::base_file_stat::have_struct_stat_st_rdev (); |
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64 static bool have_blksize = |
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65 octave::sys::base_file_stat::have_struct_stat_st_blksize (); |
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66 static bool have_blocks = |
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67 octave::sys::base_file_stat::have_struct_stat_st_blocks (); |
21935 | 68 |
69 static double nan = octave::numeric_limits<double>::NaN (); | |
70 | |
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71 octave_scalar_map m; |
2075 | 72 |
4675 | 73 m.assign ("dev", static_cast<double> (fs.dev ())); |
74 m.assign ("ino", fs.ino ()); | |
5476 | 75 m.assign ("mode", fs.mode ()); |
4675 | 76 m.assign ("modestr", fs.mode_as_string ()); |
77 m.assign ("nlink", fs.nlink ()); | |
78 m.assign ("uid", fs.uid ()); | |
79 m.assign ("gid", fs.gid ()); | |
21935 | 80 m.assign ("rdev", have_rdev ? static_cast<double> (fs.rdev ()) : nan); |
4675 | 81 m.assign ("size", fs.size ()); |
82 m.assign ("atime", fs.atime ()); | |
83 m.assign ("mtime", fs.mtime ()); | |
84 m.assign ("ctime", fs.ctime ()); | |
21935 | 85 |
86 if (have_blksize) | |
87 m.assign ("blksize", fs.blksize ()); | |
88 else | |
89 m.assign ("blksize", nan); | |
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90 |
21935 | 91 if (have_blocks) |
92 m.assign ("blocks", fs.blocks ()); | |
93 else | |
94 m.assign ("blocks", nan); | |
2075 | 95 |
96 return m; | |
97 } | |
98 | |
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99 static octave_value_list |
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100 mk_stat_result (const octave::sys::base_file_stat& fs) |
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101 { |
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102 if (fs) |
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103 return ovl (octave_value (mk_stat_map (fs)), 0, ""); |
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104 else |
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105 return ovl (Matrix (), -1, fs.error ()); |
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106 } |
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107 |
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108 DEFUNX ("dup2", Fdup2, args, , |
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109 doc: /* -*- texinfo -*- |
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110 @deftypefn {} {[@var{fid}, @var{msg}] =} dup2 (@var{old}, @var{new}) |
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111 Duplicate a file descriptor. |
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112 |
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113 If successful, @var{fid} is greater than zero and contains the new file ID@. |
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114 Otherwise, @var{fid} is negative and @var{msg} contains a system-dependent |
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115 error message. |
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116 @seealso{fopen, fclose, fcntl} |
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117 @end deftypefn */) |
2075 | 118 { |
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119 if (args.length () != 2) |
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120 print_usage (); |
2075 | 121 |
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122 octave_stream old_stream = octave_stream_list::lookup (args(0), "dup2"); |
2075 | 123 |
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124 octave_stream new_stream = octave_stream_list::lookup (args(1), "dup2"); |
2075 | 125 |
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126 int i_old = old_stream.file_number (); |
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127 int i_new = new_stream.file_number (); |
2669 | 128 |
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129 if (i_old >= 0 && i_new >= 0) |
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130 { |
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131 std::string msg; |
3341 | 132 |
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133 int status = octave::sys::dup2 (i_old, i_new, msg); |
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134 |
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135 return ovl (status, msg); |
2075 | 136 } |
137 else | |
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138 return ovl (-1, ""); |
2075 | 139 } |
140 | |
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141 DEFUNX ("exec", Fexec, args, , |
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142 doc: /* -*- texinfo -*- |
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143 @deftypefn {} {[@var{err}, @var{msg}] =} exec (@var{file}, @var{args}) |
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144 Replace current process with a new process. |
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145 |
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146 Calling @code{exec} without first calling @code{fork} will terminate your |
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147 current Octave process and replace it with the program named by @var{file}. |
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148 For example, |
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149 |
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150 @example |
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151 exec ("ls", "-l") |
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152 @end example |
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153 |
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154 @noindent |
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155 will run @code{ls} and return you to your shell prompt. |
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156 |
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157 If successful, @code{exec} does not return. If @code{exec} does return, |
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158 @var{err} will be nonzero, and @var{msg} will contain a system-dependent |
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159 error message. |
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160 @end deftypefn */) |
2075 | 161 { |
162 int nargin = args.length (); | |
163 | |
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164 if (nargin < 1 || nargin > 2) |
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165 print_usage (); |
2075 | 166 |
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167 std::string exec_file = args(0).xstring_value ("exec: FILE must be a string"); |
2075 | 168 |
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169 string_vector exec_args; |
2075 | 170 |
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171 if (nargin == 2) |
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172 { |
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173 string_vector tmp = args(1).xstring_vector_value ("exec: all arguments must be strings"); |
2075 | 174 |
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175 int len = tmp.numel (); |
2075 | 176 |
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177 exec_args.resize (len + 1); |
2937 | 178 |
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179 exec_args[0] = exec_file; |
2669 | 180 |
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181 for (int i = 0; i < len; i++) |
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182 exec_args[i+1] = tmp[i]; |
2075 | 183 } |
184 else | |
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185 { |
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186 exec_args.resize (1); |
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187 |
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188 exec_args[0] = exec_file; |
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189 } |
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190 |
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191 octave_history_write_timestamp (); |
2075 | 192 |
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193 if (! octave::command_history::ignoring_entries ()) |
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194 octave::command_history::clean_up_and_save (); |
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195 |
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196 std::string msg; |
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197 |
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198 int status = octave::sys::execvp (exec_file, exec_args, msg); |
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199 |
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200 return ovl (status, msg); |
2075 | 201 } |
202 | |
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203 DEFUNX ("popen2", Fpopen2, args, , |
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204 doc: /* -*- texinfo -*- |
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205 @deftypefn {} {[@var{in}, @var{out}, @var{pid}] =} popen2 (@var{command}, @var{args}) |
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206 Start a subprocess with two-way communication. |
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207 |
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208 The name of the process is given by @var{command}, and @var{args} is an |
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209 array or cell array of strings containing options for the command. |
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210 |
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211 The file identifiers for the input and output streams of the subprocess are |
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212 returned in @var{in} and @var{out}. If execution of the command is |
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213 successful, @var{pid} contains the process ID of the subprocess. Otherwise, |
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214 @var{pid} is @minus{}1. |
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215 |
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216 For example: |
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217 |
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218 @example |
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219 [in, out, pid] = popen2 ("sort", "-r"); |
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220 fputs (in, "these\nare\nsome\nstrings\n"); |
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221 fclose (in); |
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222 EAGAIN = errno ("EAGAIN"); |
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223 done = false; |
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224 do |
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225 s = fgets (out); |
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226 if (ischar (s)) |
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227 fputs (stdout, s); |
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228 elseif (errno () == EAGAIN) |
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229 pause (0.1); |
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230 fclear (out); |
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231 else |
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232 done = true; |
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233 endif |
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234 until (done) |
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235 fclose (out); |
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236 waitpid (pid); |
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237 |
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238 @print{} these |
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239 @print{} strings |
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240 @print{} some |
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241 @print{} are |
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242 @end example |
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243 |
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244 Note that @code{popen2}, unlike @code{popen}, will not @nospell{"reap"} |
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245 the child process. If you don't use @code{waitpid} to check the child's |
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246 exit status, it will linger until Octave exits. |
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247 @seealso{popen, waitpid} |
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248 @end deftypefn */) |
6321 | 249 { |
250 int nargin = args.length (); | |
251 | |
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252 if (nargin < 1 || nargin > 3) |
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253 print_usage (); |
6321 | 254 |
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255 std::string exec_file = args(0).xstring_value ("popen2: COMMAND argument must be a string"); |
6321 | 256 |
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257 string_vector arg_list; |
6321 | 258 |
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259 if (nargin >= 2) |
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260 { |
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261 string_vector tmp = args(1).xstring_vector_value ("popen2: all arguments must be strings"); |
6321 | 262 |
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263 int len = tmp.numel (); |
6321 | 264 |
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265 arg_list.resize (len + 1); |
6321 | 266 |
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267 arg_list[0] = exec_file; |
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268 |
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269 for (int i = 0; i < len; i++) |
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270 arg_list[i+1] = tmp[i]; |
6321 | 271 } |
272 else | |
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273 { |
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274 arg_list.resize (1); |
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275 |
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276 arg_list[0] = exec_file; |
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277 } |
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278 |
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279 bool sync_mode = (nargin == 3 ? args(2).bool_value () : false); |
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280 |
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281 int filedesc[2]; |
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282 std::string msg; |
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283 pid_t pid; |
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285 pid = octave::sys::popen2 (exec_file, arg_list, sync_mode, filedesc, msg); |
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286 |
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287 if (pid < 0) |
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288 error (msg.c_str ()); |
6321 | 289 |
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290 FILE *ifile = fdopen (filedesc[1], "r"); |
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291 FILE *ofile = fdopen (filedesc[0], "w"); |
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292 |
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293 octave_stream is = octave_stdiostream::create (exec_file + "-in", |
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294 ifile, |
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295 std::ios::in); |
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296 |
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297 octave_stream os = octave_stdiostream::create (exec_file + "-out", |
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298 ofile, |
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299 std::ios::out); |
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300 |
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301 return ovl (octave_stream_list::insert (os), |
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302 octave_stream_list::insert (is), |
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303 pid); |
6321 | 304 } |
305 | |
306 /* | |
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307 |
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308 %!test # UNIX-style test |
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309 %! if (isunix () || ismac ()) |
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310 %! [in, out, pid] = popen2 ("sort", "-r"); |
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311 %! EAGAIN = errno ("EAGAIN"); |
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312 %! fputs (in, "these\nare\nsome\nstrings\n"); |
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313 %! fclose (in); |
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314 %! done = false; |
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315 %! str = {}; |
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316 %! idx = 0; |
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317 %! errs = 0; |
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318 %! do |
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319 %! if (ismac ()) # FIXME: Is this necessary? |
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320 %! errno (0); |
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321 %! endif |
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322 %! s = fgets (out); |
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323 %! if (ischar (s)) |
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324 %! idx++; |
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325 %! str{idx} = s; |
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326 %! elseif (errno () == EAGAIN) |
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327 %! fclear (out); |
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328 %! pause (0.1); |
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329 %! if (++errs == 100) |
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330 %! done = true; |
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331 %! endif |
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332 %! else |
6321 | 333 %! done = true; |
334 %! endif | |
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335 %! until (done) |
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336 %! fclose (out); |
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337 %! waitpid (pid); |
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338 %! assert (str, {"these\n","strings\n","some\n","are\n"}); |
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339 %! endif |
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340 |
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341 %!test # Windows-style test |
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342 %! if (ispc () && ! isunix ()) |
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343 %! [in, out, pid] = popen2 ('C:\Windows\system32\sort.exe', "/R"); |
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344 %! EAGAIN = errno ("EINVAL"); |
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345 %! fputs (in, "these\r\nare\r\nsome\r\nstrings\r\n"); |
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346 %! fclose (in); |
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347 %! done = false; |
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348 %! str = {}; |
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349 %! idx = 0; |
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350 %! errs = 0; |
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351 %! do |
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352 %! errno (0); |
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353 %! s = fgets (out); |
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354 %! if (ischar (s)) |
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355 %! idx++; |
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356 %! str{idx} = s; |
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357 %! elseif (errno () == EAGAIN) |
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358 %! fclear (out); |
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359 %! pause (0.1); |
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360 %! if (++errs == 100) |
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361 %! done = true; |
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362 %! endif |
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363 %! else |
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364 %! done = true; |
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365 %! endif |
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366 %! until (done) |
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367 %! fclose (out); |
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368 %! waitpid (pid); |
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369 %! assert (str, {"these\r\n","strings\r\n","some\r\n","are\r\n"}); |
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370 %! endif |
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371 |
6321 | 372 */ |
373 | |
10259 | 374 DEFUNX ("fcntl", Ffcntl, args, , |
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375 doc: /* -*- texinfo -*- |
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376 @deftypefn {} {[@var{err}, @var{msg}] =} fcntl (@var{fid}, @var{request}, @var{arg}) |
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377 Change the properties of the open file @var{fid}. |
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378 |
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379 The following values may be passed as @var{request}: |
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380 |
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381 @vtable @code |
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382 @item F_DUPFD |
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383 Return a duplicate file descriptor. |
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384 |
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385 @item F_GETFD |
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386 Return the file descriptor flags for @var{fid}. |
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387 |
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388 @item F_SETFD |
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389 Set the file descriptor flags for @var{fid}. |
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390 |
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391 @item F_GETFL |
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392 Return the file status flags for @var{fid}. The following codes may be |
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393 returned (some of the flags may be undefined on some systems). |
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394 |
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395 @vtable @code |
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396 @item O_RDONLY |
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397 Open for reading only. |
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398 |
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399 @item O_WRONLY |
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400 Open for writing only. |
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401 |
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402 @item O_RDWR |
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403 Open for reading and writing. |
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404 |
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405 @item O_APPEND |
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406 Append on each write. |
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407 |
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408 @item O_CREAT |
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409 Create the file if it does not exist. |
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410 |
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411 @item O_NONBLOCK |
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412 Non-blocking mode. |
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413 |
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414 @item O_SYNC |
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415 Wait for writes to complete. |
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416 |
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417 @item O_ASYNC |
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418 Asynchronous I/O. |
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419 @end vtable |
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420 |
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421 @item F_SETFL |
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422 Set the file status flags for @var{fid} to the value specified by @var{arg}. |
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423 The only flags that can be changed are @w{@code{O_APPEND}} and |
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424 @w{@code{O_NONBLOCK}}. |
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425 @end vtable |
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426 |
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427 If successful, @var{err} is 0 and @var{msg} is an empty string. Otherwise, |
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428 @var{err} is nonzero and @var{msg} contains a system-dependent error |
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429 message. |
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430 @seealso{fopen, dup2} |
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431 @end deftypefn */) |
2075 | 432 { |
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433 if (args.length () != 3) |
5823 | 434 print_usage (); |
2075 | 435 |
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436 octave_stream strm = octave_stream_list::lookup (args(0), "fcntl"); |
2075 | 437 |
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438 int fid = strm.file_number (); |
3715 | 439 |
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440 // FIXME: Do we want to use xint_value and throw a warning message |
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441 // if input validation fails? |
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442 int req = args(1).int_value (true); |
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443 int arg = args(2).int_value (true); |
3715 | 444 |
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445 // FIXME: Need better checking here? |
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446 if (fid < 0) |
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447 error ("fcntl: invalid file id"); |
2937 | 448 |
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449 std::string msg; |
2669 | 450 |
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451 int status = octave::sys::fcntl (fid, req, arg, msg); |
2075 | 452 |
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453 return ovl (status, msg); |
2075 | 454 } |
455 | |
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456 DEFUNX ("fork", Ffork, args, , |
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457 doc: /* -*- texinfo -*- |
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458 @deftypefn {} {[@var{pid}, @var{msg}] =} fork () |
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459 Create a copy of the current process. |
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460 |
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461 Fork can return one of the following values: |
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462 |
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463 @table @asis |
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464 @item > 0 |
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465 You are in the parent process. The value returned from @code{fork} is the |
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466 process id of the child process. You should probably arrange to wait for |
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467 any child processes to exit. |
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468 |
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469 @item 0 |
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470 You are in the child process. You can call @code{exec} to start another |
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471 process. If that fails, you should probably call @code{exit}. |
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472 |
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473 @item < 0 |
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474 The call to @code{fork} failed for some reason. You must take evasive |
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475 action. A system dependent error message will be waiting in @var{msg}. |
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476 @end table |
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477 @end deftypefn */) |
2075 | 478 { |
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479 if (args.length () != 0) |
5823 | 480 print_usage (); |
2075 | 481 |
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482 if (symbol_table::at_top_level ()) |
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483 error ("fork: cannot be called from command line"); |
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484 |
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485 std::string msg; |
2669 | 486 |
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487 pid_t pid = octave::sys::fork (msg); |
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488 |
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489 return ovl (pid, msg); |
2075 | 490 } |
491 | |
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492 DEFUNX ("getpgrp", Fgetpgrp, args, , |
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493 doc: /* -*- texinfo -*- |
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494 @deftypefn {} {pgid =} getpgrp () |
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495 Return the process group id of the current process. |
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496 @end deftypefn */) |
2075 | 497 { |
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498 if (args.length () != 0) |
5823 | 499 print_usage (); |
2075 | 500 |
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501 std::string msg; |
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502 |
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503 pid_t pid = octave::sys::getpgrp (msg); |
2075 | 504 |
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505 return ovl (pid, msg); |
2075 | 506 } |
507 | |
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508 DEFUNX ("getpid", Fgetpid, args, , |
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509 doc: /* -*- texinfo -*- |
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510 @deftypefn {} {pid =} getpid () |
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511 Return the process id of the current process. |
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512 @seealso{getppid} |
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513 @end deftypefn */) |
2075 | 514 { |
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515 if (args.length () != 0) |
5823 | 516 print_usage (); |
2075 | 517 |
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518 return ovl (octave::sys::getpid ()); |
2075 | 519 } |
520 | |
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521 DEFUNX ("getppid", Fgetppid, args, , |
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522 doc: /* -*- texinfo -*- |
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523 @deftypefn {} {pid =} getppid () |
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524 Return the process id of the parent process. |
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525 @seealso{getpid} |
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526 @end deftypefn */) |
2075 | 527 { |
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528 if (args.length () != 0) |
5823 | 529 print_usage (); |
2475 | 530 |
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531 return ovl (octave::sys::getppid ()); |
2475 | 532 } |
533 | |
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534 DEFUNX ("getegid", Fgetegid, args, , |
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535 doc: /* -*- texinfo -*- |
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536 @deftypefn {} {egid =} getegid () |
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537 Return the effective group id of the current process. |
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538 @seealso{getgid} |
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539 @end deftypefn */) |
2475 | 540 { |
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541 if (args.length () != 0) |
5823 | 542 print_usage (); |
2475 | 543 |
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544 return ovl (octave::sys::getegid ()); |
2475 | 545 } |
546 | |
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547 DEFUNX ("getgid", Fgetgid, args, , |
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548 doc: /* -*- texinfo -*- |
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549 @deftypefn {} {gid =} getgid () |
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550 Return the real group id of the current process. |
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551 @seealso{getegid} |
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552 @end deftypefn */) |
2475 | 553 { |
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554 if (args.length () != 0) |
5823 | 555 print_usage (); |
2075 | 556 |
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557 return ovl (octave::sys::getgid ()); |
2075 | 558 } |
559 | |
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560 DEFUNX ("geteuid", Fgeteuid, args, , |
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561 doc: /* -*- texinfo -*- |
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562 @deftypefn {} {euid =} geteuid () |
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563 Return the effective user id of the current process. |
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564 @seealso{getuid} |
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565 @end deftypefn */) |
2472 | 566 { |
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567 if (args.length () != 0) |
5823 | 568 print_usage (); |
2473 | 569 |
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570 return ovl (octave::sys::geteuid ()); |
2472 | 571 } |
572 | |
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573 DEFUNX ("getuid", Fgetuid, args, , |
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574 doc: /* -*- texinfo -*- |
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575 @deftypefn {} {uid =} getuid () |
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576 Return the real user id of the current process. |
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577 @seealso{geteuid} |
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578 @end deftypefn */) |
2472 | 579 { |
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580 if (args.length () != 0) |
5823 | 581 print_usage (); |
2473 | 582 |
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583 return ovl (octave::sys::getuid ()); |
2472 | 584 } |
585 | |
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586 DEFUNX ("kill", Fkill, args, , |
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587 doc: /* -*- texinfo -*- |
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588 @deftypefn {} {[@var{err}, @var{msg}] =} kill (@var{pid}, @var{sig}) |
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589 Send signal @var{sig} to process @var{pid}. |
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590 |
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591 If @var{pid} is positive, then signal @var{sig} is sent to @var{pid}. |
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592 |
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593 If @var{pid} is 0, then signal @var{sig} is sent to every process |
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594 in the process group of the current process. |
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595 |
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596 If @var{pid} is -1, then signal @var{sig} is sent to every process |
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597 except process 1. |
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598 |
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599 If @var{pid} is less than -1, then signal @var{sig} is sent to every |
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600 process in the process group @var{-pid}. |
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601 |
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602 If @var{sig} is 0, then no signal is sent, but error checking is still |
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603 performed. |
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|
604 |
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605 Return 0 if successful, otherwise return -1. |
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606 @end deftypefn */) |
4294 | 607 { |
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Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
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|
608 if (args.length () != 2) |
5823 | 609 print_usage (); |
4294 | 610 |
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Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
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|
611 pid_t pid = args(0).int_value (true); |
20560
56fee8f84fe7
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
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20428
diff
changeset
|
612 |
20856
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Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
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diff
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|
613 int sig = args(1).int_value (true); |
4294 | 614 |
20856
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Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
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diff
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|
615 std::string msg; |
4294 | 616 |
21727
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|
617 int status = octave::sys::kill (pid, sig, msg); |
20856
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Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
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diff
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|
618 |
20887
05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
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diff
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|
619 return ovl (status, msg); |
4294 | 620 } |
621 | |
10299
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|
622 DEFUNX ("lstat", Flstat, args, , |
21966
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623 doc: /* -*- texinfo -*- |
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624 @deftypefn {} {@var{info} =} lstat (@var{symlink}) |
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625 @deftypefnx {} {[@var{info}, @var{err}, @var{msg}] =} lstat (@var{symlink}) |
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626 Return a structure @var{info} containing information about the symbolic link |
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627 @var{symlink}. |
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628 |
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629 The function outputs are described in the documentation for @code{stat}. |
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630 @seealso{stat, symlink} |
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|
631 @end deftypefn */) |
2075 | 632 { |
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Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
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|
633 if (args.length () != 1) |
b3a18c764161
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|
634 print_usage (); |
2075 | 635 |
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Rik <rik@octave.org>
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|
636 std::string fname = args(0).xstring_value ("lstat: NAME must be a string"); |
20856
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diff
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|
637 |
21736
0504351a45e6
use namespace for file_stat classes
John W. Eaton <jwe@octave.org>
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21733
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|
638 octave::sys::file_stat fs (fname, false); |
2075 | 639 |
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640 return mk_stat_result (fs); |
2075 | 641 } |
642 | |
20200
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643 // FIXME: This routine also exists verbatim in file-io.cc. |
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644 // Maybe change to be a general utility routine. |
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Change mkfifo to use an octal argument for MODE (bug #45054).
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|
645 static int |
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646 convert (int x, int ibase, int obase) |
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647 { |
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648 int retval = 0; |
2075 | 649 |
20200
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650 int tmp = x % obase; |
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Change mkfifo to use an octal argument for MODE (bug #45054).
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diff
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651 |
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|
652 if (tmp > ibase - 1) |
20428
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653 error ("mkfifo: invalid digit"); |
2075 | 654 |
21055
5e00ed38a58b
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|
655 retval = tmp; |
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656 int mult = ibase; |
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657 while ((x = (x - tmp) / obase)) |
20200
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|
658 { |
21055
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|
659 tmp = x % obase; |
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|
660 |
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|
661 if (tmp > ibase - 1) |
5e00ed38a58b
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|
662 error ("mkfifo: invalid digit"); |
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|
663 |
5e00ed38a58b
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|
664 retval += mult * tmp; |
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|
665 mult *= ibase; |
2075 | 666 } |
667 | |
668 return retval; | |
669 } | |
670 | |
10197
4d433bd2d4dc
attempt to avoid trouble with gnulib #defines in a consistent way
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|
671 DEFUNX ("mkfifo", Fmkfifo, args, , |
21966
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672 doc: /* -*- texinfo -*- |
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673 @deftypefn {} {@var{err} =} mkfifo (@var{name}, @var{mode}) |
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674 @deftypefnx {} {[@var{err}, @var{msg}] =} mkfifo (@var{name}, @var{mode}) |
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675 Create a FIFO special file named @var{name} with file mode @var{mode}. |
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|
676 |
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677 @var{mode} is interpreted as an octal number and is subject to umask |
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678 processing. The final calculated mode is @code{@var{mode} - @var{umask}}. |
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|
679 |
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|
680 If successful, @var{err} is 0 and @var{msg} is an empty string. |
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681 Otherwise, @var{err} is nonzero and @var{msg} contains a system-dependent |
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682 error message. |
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683 @seealso{pipe, umask} |
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|
684 @end deftypefn */) |
2075 | 685 { |
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2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
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parents:
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diff
changeset
|
686 if (args.length () != 2) |
5823 | 687 print_usage (); |
2075 | 688 |
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Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
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parents:
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|
689 std::string name = args(0).xstring_value ("mkfifo: FILE must be a string"); |
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
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parents:
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diff
changeset
|
690 |
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
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diff
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|
691 int octal_mode = args(1).xint_value ("mkfifo: MODE must be an integer"); |
4254 | 692 |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
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diff
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|
693 if (octal_mode < 0) |
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
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diff
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|
694 error ("mkfifo: MODE must be a positive integer value"); |
20887
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2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
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parents:
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diff
changeset
|
695 |
05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
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diff
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|
696 int mode = convert (octal_mode, 8, 10); |
05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
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parents:
20856
diff
changeset
|
697 |
05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
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parents:
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diff
changeset
|
698 std::string msg; |
20856
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diff
changeset
|
699 |
21733
cb0fdd941d84
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parents:
21732
diff
changeset
|
700 int status = octave::sys::mkfifo (name, mode, msg); |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
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parents:
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diff
changeset
|
701 |
20887
05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
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parents:
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diff
changeset
|
702 return ovl (status, msg); |
2075 | 703 } |
704 | |
20200
d9f35ceff9e1
Change mkfifo to use an octal argument for MODE (bug #45054).
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|
705 /* |
d9f35ceff9e1
Change mkfifo to use an octal argument for MODE (bug #45054).
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parents:
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diff
changeset
|
706 |
d9f35ceff9e1
Change mkfifo to use an octal argument for MODE (bug #45054).
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parents:
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diff
changeset
|
707 ## Test input validation |
d9f35ceff9e1
Change mkfifo to use an octal argument for MODE (bug #45054).
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changeset
|
708 %!error mkfifo () |
d9f35ceff9e1
Change mkfifo to use an octal argument for MODE (bug #45054).
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changeset
|
709 %!error mkfifo ("abc") |
d9f35ceff9e1
Change mkfifo to use an octal argument for MODE (bug #45054).
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|
710 %!error mkfifo ("abc", 777, 123) |
d9f35ceff9e1
Change mkfifo to use an octal argument for MODE (bug #45054).
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diff
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|
711 %!error <FILE must be a string> mkfifo (123, 456) |
d9f35ceff9e1
Change mkfifo to use an octal argument for MODE (bug #45054).
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diff
changeset
|
712 ## FIXME: These tests should work, but lasterr is not being set correctly. |
d9f35ceff9e1
Change mkfifo to use an octal argument for MODE (bug #45054).
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diff
changeset
|
713 #%!error <MODE must be an integer> mkfifo ("abc", {456}) |
d9f35ceff9e1
Change mkfifo to use an octal argument for MODE (bug #45054).
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diff
changeset
|
714 #%!error <MODE must be a positive integer value> mkfifo ("abc", -1) |
d9f35ceff9e1
Change mkfifo to use an octal argument for MODE (bug #45054).
Rik <rik@octave.org>
parents:
20198
diff
changeset
|
715 |
d9f35ceff9e1
Change mkfifo to use an octal argument for MODE (bug #45054).
Rik <rik@octave.org>
parents:
20198
diff
changeset
|
716 */ |
d9f35ceff9e1
Change mkfifo to use an octal argument for MODE (bug #45054).
Rik <rik@octave.org>
parents:
20198
diff
changeset
|
717 |
10299
c992efc0c2fa
use DEFUNX instead of DEFUN for all functions in syscalls.cc
John W. Eaton <jwe@octave.org>
parents:
10259
diff
changeset
|
718 DEFUNX ("pipe", Fpipe, args, , |
21966
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changeset
|
719 doc: /* -*- texinfo -*- |
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changeset
|
720 @deftypefn {} {[@var{read_fd}, @var{write_fd}, @var{err}, @var{msg}] =} pipe () |
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changeset
|
721 Create a pipe and return the reading and writing ends of the pipe into |
112b20240c87
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|
722 @var{read_fd} and @var{write_fd} respectively. |
112b20240c87
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changeset
|
723 |
112b20240c87
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changeset
|
724 If successful, @var{err} is 0 and @var{msg} is an empty string. |
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changeset
|
725 Otherwise, @var{err} is nonzero and @var{msg} contains a system-dependent |
112b20240c87
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changeset
|
726 error message. |
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changeset
|
727 @seealso{mkfifo} |
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changeset
|
728 @end deftypefn */) |
2075 | 729 { |
20887
05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
Rik <rik@octave.org>
parents:
20856
diff
changeset
|
730 if (args.length () != 0) |
5823 | 731 print_usage (); |
2075 | 732 |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
733 int fid[2]; |
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
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parents:
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diff
changeset
|
734 std::string msg; |
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
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diff
changeset
|
735 |
21727
e0da98857c19
rename octave::syscalls namespace to octave::sys
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
736 int status = octave::sys::pipe (fid, msg); |
2669 | 737 |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
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diff
changeset
|
738 if (status < 0) |
20887
05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
Rik <rik@octave.org>
parents:
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diff
changeset
|
739 return ovl (-1, -1, -1, msg); |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
740 else |
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
741 { |
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
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parents:
20853
diff
changeset
|
742 FILE *ifile = fdopen (fid[0], "r"); |
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
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parents:
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diff
changeset
|
743 FILE *ofile = fdopen (fid[1], "w"); |
4327 | 744 |
22407
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22323
diff
changeset
|
745 octave_stream is |
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22323
diff
changeset
|
746 = octave_stdiostream::create ("pipe-in", ifile, std::ios::in); |
2075 | 747 |
22407
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22323
diff
changeset
|
748 octave_stream os |
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22323
diff
changeset
|
749 = octave_stdiostream::create ("pipe-out", ofile, std::ios::out); |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
750 |
20887
05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
Rik <rik@octave.org>
parents:
20856
diff
changeset
|
751 return ovl (octave_stream_list::insert (is), |
05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
Rik <rik@octave.org>
parents:
20856
diff
changeset
|
752 octave_stream_list::insert (os), |
05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
Rik <rik@octave.org>
parents:
20856
diff
changeset
|
753 status, |
05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
Rik <rik@octave.org>
parents:
20856
diff
changeset
|
754 msg); |
2075 | 755 } |
756 } | |
757 | |
10299
c992efc0c2fa
use DEFUNX instead of DEFUN for all functions in syscalls.cc
John W. Eaton <jwe@octave.org>
parents:
10259
diff
changeset
|
758 DEFUNX ("stat", Fstat, args, , |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
759 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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changeset
|
760 @deftypefn {} {[@var{info}, @var{err}, @var{msg}] =} stat (@var{file}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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changeset
|
761 @deftypefnx {} {[@var{info}, @var{err}, @var{msg}] =} stat (@var{fid}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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changeset
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762 @deftypefnx {} {[@var{info}, @var{err}, @var{msg}] =} lstat (@var{file}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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763 @deftypefnx {} {[@var{info}, @var{err}, @var{msg}] =} lstat (@var{fid}) |
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move docstrings in C++ files out of C strings and into comments
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changeset
|
764 Return a structure @var{info} containing the following information about |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
765 @var{file} or file identifier @var{fid}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
766 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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changeset
|
767 @table @code |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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changeset
|
768 @item dev |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
769 ID of device containing a directory entry for this file. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
770 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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changeset
|
771 @item ino |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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changeset
|
772 File number of the file. |
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move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
773 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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changeset
|
774 @item mode |
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move docstrings in C++ files out of C strings and into comments
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changeset
|
775 File mode, as an integer. Use the functions @w{@code{S_ISREG}}, |
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move docstrings in C++ files out of C strings and into comments
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776 @w{@code{S_ISDIR}}, @w{@code{S_ISCHR}}, @w{@code{S_ISBLK}}, |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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changeset
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777 @w{@code{S_ISFIFO}}, @w{@code{S_ISLNK}}, or @w{@code{S_ISSOCK}} to extract |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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changeset
|
778 information from this value. |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
779 |
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move docstrings in C++ files out of C strings and into comments
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changeset
|
780 @item modestr |
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changeset
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781 File mode, as a string of ten letters or dashes as would be returned by |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
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782 @kbd{ls -l}. |
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move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
783 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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changeset
|
784 @item nlink |
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move docstrings in C++ files out of C strings and into comments
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changeset
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785 Number of links. |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
786 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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changeset
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787 @item uid |
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move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
788 User ID of file's owner. |
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diff
changeset
|
789 |
112b20240c87
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parents:
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changeset
|
790 @item gid |
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move docstrings in C++ files out of C strings and into comments
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changeset
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791 Group ID of file's group. |
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move docstrings in C++ files out of C strings and into comments
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|
792 |
112b20240c87
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|
793 @item rdev |
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changeset
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794 ID of device for block or character special files. |
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move docstrings in C++ files out of C strings and into comments
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changeset
|
795 |
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move docstrings in C++ files out of C strings and into comments
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796 @item size |
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|
797 Size in bytes. |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
798 |
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changeset
|
799 @item atime |
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800 Time of last access in the same form as time values returned from |
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move docstrings in C++ files out of C strings and into comments
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changeset
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801 @code{time}. @xref{Timing Utilities}. |
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move docstrings in C++ files out of C strings and into comments
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diff
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|
802 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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changeset
|
803 @item mtime |
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|
804 Time of last modification in the same form as time values returned from |
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move docstrings in C++ files out of C strings and into comments
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|
805 @code{time}. @xref{Timing Utilities}. |
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changeset
|
806 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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changeset
|
807 @item ctime |
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changeset
|
808 Time of last file status change in the same form as time values |
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move docstrings in C++ files out of C strings and into comments
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|
809 returned from @code{time}. @xref{Timing Utilities}. |
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move docstrings in C++ files out of C strings and into comments
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parents:
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|
810 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
811 @item blksize |
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move docstrings in C++ files out of C strings and into comments
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changeset
|
812 Size of blocks in the file. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
813 |
112b20240c87
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changeset
|
814 @item blocks |
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move docstrings in C++ files out of C strings and into comments
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|
815 Number of blocks allocated for file. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
816 @end table |
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|
817 |
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818 If the call is successful @var{err} is 0 and @var{msg} is an empty string. |
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move docstrings in C++ files out of C strings and into comments
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819 If the file does not exist, or some other error occurs, @var{info} is an |
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820 empty matrix, @var{err} is @minus{}1, and @var{msg} contains the |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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821 corresponding system error message. |
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|
822 |
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823 If @var{file} is a symbolic link, @code{stat} will return information about |
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824 the actual file that is referenced by the link. Use @code{lstat} if you |
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825 want information about the symbolic link itself. |
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|
826 |
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|
827 For example: |
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828 |
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829 @example |
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830 [info, err, msg] = stat ("/vmlinuz") |
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831 @result{} info = |
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832 @{ |
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833 atime = 855399756 |
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834 rdev = 0 |
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|
835 ctime = 847219094 |
112b20240c87
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836 uid = 0 |
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837 size = 389218 |
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838 blksize = 4096 |
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839 mtime = 847219094 |
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840 gid = 6 |
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841 nlink = 1 |
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842 blocks = 768 |
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843 mode = -rw-r--r-- |
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move docstrings in C++ files out of C strings and into comments
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844 modestr = -rw-r--r-- |
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845 ino = 9316 |
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846 dev = 2049 |
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|
847 @} |
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|
848 @result{} err = 0 |
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|
849 @result{} msg = |
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850 @end example |
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851 @seealso{lstat, ls, dir} |
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852 @end deftypefn */) |
2075 | 853 { |
20856
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Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
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diff
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|
854 if (args.length () != 1) |
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
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|
855 print_usage (); |
2075 | 856 |
2262 | 857 octave_value_list retval; |
2075 | 858 |
20887
05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
Rik <rik@octave.org>
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diff
changeset
|
859 if (args(0).is_scalar_type ()) |
2075 | 860 { |
20887
05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
Rik <rik@octave.org>
parents:
20856
diff
changeset
|
861 int fid = octave_stream_list::get_file_number (args(0)); |
10336
1603dfe72933
obsolete fstat, handle the functionality by stat
Jaroslav Hajek <highegg@gmail.com>
parents:
10315
diff
changeset
|
862 |
21737
ab6c639f0678
finish previous changeset (0504351a45e6).
John W. Eaton <jwe@octave.org>
parents:
21736
diff
changeset
|
863 octave::sys::file_fstat fs (fid); |
10336
1603dfe72933
obsolete fstat, handle the functionality by stat
Jaroslav Hajek <highegg@gmail.com>
parents:
10315
diff
changeset
|
864 |
20887
05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
Rik <rik@octave.org>
parents:
20856
diff
changeset
|
865 retval = mk_stat_result (fs); |
2075 | 866 } |
867 else | |
20887
05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
Rik <rik@octave.org>
parents:
20856
diff
changeset
|
868 { |
05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
Rik <rik@octave.org>
parents:
20856
diff
changeset
|
869 std::string fname = args(0).xstring_value ("stat: NAME must be a string"); |
10336
1603dfe72933
obsolete fstat, handle the functionality by stat
Jaroslav Hajek <highegg@gmail.com>
parents:
10315
diff
changeset
|
870 |
21736
0504351a45e6
use namespace for file_stat classes
John W. Eaton <jwe@octave.org>
parents:
21733
diff
changeset
|
871 octave::sys::file_stat fs (fname); |
10336
1603dfe72933
obsolete fstat, handle the functionality by stat
Jaroslav Hajek <highegg@gmail.com>
parents:
10315
diff
changeset
|
872 |
20887
05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
Rik <rik@octave.org>
parents:
20856
diff
changeset
|
873 retval = mk_stat_result (fs); |
05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
Rik <rik@octave.org>
parents:
20856
diff
changeset
|
874 } |
2075 | 875 |
876 return retval; | |
877 } | |
878 | |
5476 | 879 DEFUNX ("S_ISREG", FS_ISREG, args, , |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
880 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
881 @deftypefn {} {} S_ISREG (@var{mode}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
882 Return true if @var{mode} corresponds to a regular file. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
883 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
884 The value of @var{mode} is assumed to be returned from a call to |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
885 @code{stat}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
886 @seealso{stat, lstat} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
887 @end deftypefn */) |
5476 | 888 { |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
889 if (args.length () != 1) |
5823 | 890 print_usage (); |
5476 | 891 |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
892 double mode = args(0).xdouble_value ("S_ISREG: invalid MODE value"); |
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
893 |
21736
0504351a45e6
use namespace for file_stat classes
John W. Eaton <jwe@octave.org>
parents:
21733
diff
changeset
|
894 return ovl (octave::sys::file_stat::is_reg (static_cast<mode_t> (mode))); |
5476 | 895 } |
896 | |
897 DEFUNX ("S_ISDIR", FS_ISDIR, args, , | |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
898 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
899 @deftypefn {} {} S_ISDIR (@var{mode}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
900 Return true if @var{mode} corresponds to a directory. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
901 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
902 The value of @var{mode} is assumed to be returned from a call to |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
903 @code{stat}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
904 @seealso{stat, lstat} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
905 @end deftypefn */) |
5476 | 906 { |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
907 if (args.length () != 1) |
5823 | 908 print_usage (); |
5476 | 909 |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
910 double mode = args(0).xdouble_value ("S_ISDIR: invalid MODE value"); |
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
911 |
21736
0504351a45e6
use namespace for file_stat classes
John W. Eaton <jwe@octave.org>
parents:
21733
diff
changeset
|
912 return ovl (octave::sys::file_stat::is_dir (static_cast<mode_t> (mode))); |
5476 | 913 } |
914 | |
915 DEFUNX ("S_ISCHR", FS_ISCHR, args, , | |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
916 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
917 @deftypefn {} {} S_ISCHR (@var{mode}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
918 Return true if @var{mode} corresponds to a character device. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
919 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
920 The value of @var{mode} is assumed to be returned from a call to |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
921 @code{stat}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
922 @seealso{stat, lstat} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
923 @end deftypefn */) |
5476 | 924 { |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
925 if (args.length () != 1) |
5823 | 926 print_usage (); |
5476 | 927 |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
928 double mode = args(0).xdouble_value ("S_ISCHR: invalid MODE value"); |
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
929 |
21736
0504351a45e6
use namespace for file_stat classes
John W. Eaton <jwe@octave.org>
parents:
21733
diff
changeset
|
930 return ovl (octave::sys::file_stat::is_chr (static_cast<mode_t> (mode))); |
5476 | 931 } |
932 | |
933 DEFUNX ("S_ISBLK", FS_ISBLK, args, , | |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
934 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
935 @deftypefn {} {} S_ISBLK (@var{mode}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
936 Return true if @var{mode} corresponds to a block device. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
937 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
938 The value of @var{mode} is assumed to be returned from a call to |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
939 @code{stat}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
940 @seealso{stat, lstat} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
941 @end deftypefn */) |
5476 | 942 { |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
943 if (args.length () != 1) |
5823 | 944 print_usage (); |
5476 | 945 |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
946 double mode = args(0).xdouble_value ("S_ISBLK: invalid MODE value"); |
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
947 |
21736
0504351a45e6
use namespace for file_stat classes
John W. Eaton <jwe@octave.org>
parents:
21733
diff
changeset
|
948 return ovl (octave::sys::file_stat::is_blk (static_cast<mode_t> (mode))); |
5476 | 949 } |
950 | |
951 DEFUNX ("S_ISFIFO", FS_ISFIFO, args, , | |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
952 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
953 @deftypefn {} {} S_ISFIFO (@var{mode}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
954 Return true if @var{mode} corresponds to a fifo. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
955 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
956 The value of @var{mode} is assumed to be returned from a call to |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
957 @code{stat}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
958 @seealso{stat, lstat} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
959 @end deftypefn */) |
5476 | 960 { |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
961 if (args.length () != 1) |
5823 | 962 print_usage (); |
5476 | 963 |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
964 double mode = args(0).xdouble_value ("S_ISFIFO: invalid MODE value"); |
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
965 |
21736
0504351a45e6
use namespace for file_stat classes
John W. Eaton <jwe@octave.org>
parents:
21733
diff
changeset
|
966 return ovl (octave::sys::file_stat::is_fifo (static_cast<mode_t> (mode))); |
5476 | 967 } |
968 | |
969 DEFUNX ("S_ISLNK", FS_ISLNK, args, , | |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
970 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
971 @deftypefn {} {} S_ISLNK (@var{mode}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
972 Return true if @var{mode} corresponds to a symbolic link. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
973 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
974 The value of @var{mode} is assumed to be returned from a call to |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
975 @code{stat}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
976 @seealso{stat, lstat} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
977 @end deftypefn */) |
5476 | 978 { |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
979 if (args.length () != 1) |
5823 | 980 print_usage (); |
5476 | 981 |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
982 double mode = args(0).xdouble_value ("S_ISLNK: invalid MODE value"); |
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
983 |
21736
0504351a45e6
use namespace for file_stat classes
John W. Eaton <jwe@octave.org>
parents:
21733
diff
changeset
|
984 return ovl (octave::sys::file_stat::is_lnk (static_cast<mode_t> (mode))); |
5476 | 985 } |
986 | |
987 DEFUNX ("S_ISSOCK", FS_ISSOCK, args, , | |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
988 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
21949
diff
changeset
|
989 @deftypefn {} {} S_ISSOCK (@var{mode}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
990 Return true if @var{mode} corresponds to a socket. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
991 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
992 The value of @var{mode} is assumed to be returned from a call to |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
993 @code{stat}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
994 @seealso{stat, lstat} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21949
diff
changeset
|
995 @end deftypefn */) |
5476 | 996 { |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
997 if (args.length () != 1) |
5823 | 998 print_usage (); |
5476 | 999 |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
1000 double mode = args(0).xdouble_value ("S_ISSOCK: invalid MODE value"); |
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
1001 |
21736
0504351a45e6
use namespace for file_stat classes
John W. Eaton <jwe@octave.org>
parents:
21733
diff
changeset
|
1002 return ovl (octave::sys::file_stat::is_sock (static_cast<mode_t> (mode))); |
5476 | 1003 } |
1004 | |
11006
aca961a3f387
provide gethostname function
John W. Eaton <jwe@octave.org>
parents:
10840
diff
changeset
|
1005 DEFUN (gethostname, args, , |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
21949
diff
changeset
|
1006 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
1007 @deftypefn {} {} gethostname () |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
1008 Return the hostname of the system where Octave is running. |
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1009 @end deftypefn */) |
11006
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1010 { |
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1011 if (args.length () != 0) |
11006
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1012 print_usage (); |
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1013 |
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1014 return ovl (octave::sys::env::get_host_name ()); |
11006
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1015 } |
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1016 |
5547 | 1017 DEFUN (uname, args, , |
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1018 doc: /* -*- texinfo -*- |
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1019 @deftypefn {} {[@var{uts}, @var{err}, @var{msg}] =} uname () |
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1020 Return system information in the structure. |
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1021 |
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1022 For example: |
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1023 |
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1024 @example |
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1025 @group |
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1026 uname () |
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1027 @result{} @{ |
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1028 sysname = x86_64 |
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1029 nodename = segfault |
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1030 release = 2.6.15-1-amd64-k8-smp |
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1031 version = Linux |
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1032 machine = #2 SMP Thu Feb 23 04:57:49 UTC 2006 |
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1033 @} |
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1034 @end group |
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1035 @end example |
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1036 |
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1037 If successful, @var{err} is 0 and @var{msg} is an empty string. |
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1038 Otherwise, @var{err} is nonzero and @var{msg} contains a |
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1039 system-dependent error message. |
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1040 @end deftypefn */) |
5547 | 1041 { |
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1042 if (args.length () != 0) |
5823 | 1043 print_usage (); |
5547 | 1044 |
21731
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1045 octave::sys::uname sysinfo; |
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1046 |
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1047 octave_scalar_map m; |
5547 | 1048 |
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1049 m.assign ("sysname", sysinfo.sysname ()); |
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1050 m.assign ("nodename", sysinfo.nodename ()); |
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1051 m.assign ("release", sysinfo.release ()); |
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1052 m.assign ("version", sysinfo.version ()); |
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1053 m.assign ("machine", sysinfo.machine ()); |
5547 | 1054 |
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1055 return ovl (m, sysinfo.error (), sysinfo.message ()); |
5547 | 1056 } |
1057 | |
10197
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1058 DEFUNX ("unlink", Funlink, args, , |
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1059 doc: /* -*- texinfo -*- |
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1060 @deftypefn {} {[@var{err}, @var{msg}] =} unlink (@var{file}) |
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1061 Delete the file named @var{file}. |
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1062 |
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1063 If successful, @var{err} is 0 and @var{msg} is an empty string. |
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1064 Otherwise, @var{err} is nonzero and @var{msg} contains a system-dependent |
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1065 error message. |
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1066 @seealso{delete, rmdir} |
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1067 @end deftypefn */) |
2075 | 1068 { |
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1069 if (args.length () != 1) |
5823 | 1070 print_usage (); |
2075 | 1071 |
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1072 std::string name = args(0).xstring_value ("unlink: FILE must be a string"); |
2669 | 1073 |
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1074 std::string msg; |
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1075 |
21733
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1076 int status = octave::sys::unlink (name, msg); |
2669 | 1077 |
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1078 return ovl (status, msg); |
2075 | 1079 } |
1080 | |
10299
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1081 DEFUNX ("waitpid", Fwaitpid, args, , |
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1082 doc: /* -*- texinfo -*- |
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1083 @deftypefn {} {[@var{pid}, @var{status}, @var{msg}] =} waitpid (@var{pid}, @var{options}) |
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1084 Wait for process @var{pid} to terminate. |
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1085 |
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1086 The @var{pid} argument can be: |
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1087 |
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1088 @table @asis |
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1089 @item @minus{}1 |
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1090 Wait for any child process. |
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1091 |
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1092 @item 0 |
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1093 Wait for any child process whose process group ID is equal to that of the |
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1094 Octave interpreter process. |
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1095 |
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1096 @item > 0 |
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1097 Wait for termination of the child process with ID @var{pid}. |
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1098 @end table |
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1099 |
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1100 The @var{options} argument can be a bitwise OR of zero or more of the |
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1101 following constants: |
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1102 |
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1103 @table @code |
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1104 @item 0 |
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1105 Wait until signal is received or a child process exits (this is the default |
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1106 if the @var{options} argument is missing). |
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1107 |
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1108 @item WNOHANG |
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1109 Do not hang if status is not immediately available. |
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1110 |
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1111 @item WUNTRACED |
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1112 Report the status of any child processes that are stopped, and whose status |
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1113 has not yet been reported since they stopped. |
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1114 |
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1115 @item WCONTINUE |
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1116 Return if a stopped child has been resumed by delivery of @code{SIGCONT}. |
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1117 This value may not be meaningful on all systems. |
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1118 @end table |
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1119 |
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1120 If the returned value of @var{pid} is greater than 0, it is the process ID |
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1121 of the child process that exited. If an error occurs, @var{pid} will be |
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1122 less than zero and @var{msg} will contain a system-dependent error message. |
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1123 The value of @var{status} contains additional system-dependent information |
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1124 about the subprocess that exited. |
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1125 @seealso{WCONTINUE, WCOREDUMP, WEXITSTATUS, WIFCONTINUED, WIFSIGNALED, WIFSTOPPED, WNOHANG, WSTOPSIG, WTERMSIG, WUNTRACED} |
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1126 @end deftypefn */) |
2075 | 1127 { |
1128 int nargin = args.length (); | |
1129 | |
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1130 if (nargin != 1 && nargin != 2) |
5823 | 1131 print_usage (); |
2075 | 1132 |
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1133 pid_t pid = args(0).xint_value ("waitpid: OPTIONS must be an integer"); |
11586
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1134 |
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1135 int options = 0; |
2075 | 1136 |
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1137 if (nargin == 2) |
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changeset
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1138 options = args(1).xint_value ("waitpid: PID must be an integer value"); |
2669 | 1139 |
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1140 std::string msg; |
20887
05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
Rik <rik@octave.org>
parents:
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diff
changeset
|
1141 int status; |
20856
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Yu Liu <yul.liuiyu@gmail.com>
parents:
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diff
changeset
|
1142 |
21727
e0da98857c19
rename octave::syscalls namespace to octave::sys
John W. Eaton <jwe@octave.org>
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21724
diff
changeset
|
1143 pid_t result = octave::sys::waitpid (pid, &status, options, msg); |
2075 | 1144 |
20887
05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
Rik <rik@octave.org>
parents:
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diff
changeset
|
1145 return ovl (result, status, msg); |
2075 | 1146 } |
1147 | |
5453 | 1148 DEFUNX ("WIFEXITED", FWIFEXITED, args, , |
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1149 doc: /* -*- texinfo -*- |
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1150 @deftypefn {} {} WIFEXITED (@var{status}) |
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1151 Given @var{status} from a call to @code{waitpid}, return |
112b20240c87
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1152 true if the child terminated normally. |
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1153 @seealso{waitpid, WEXITSTATUS, WIFSIGNALED, WTERMSIG, WCOREDUMP, WIFSTOPPED, WSTOPSIG, WIFCONTINUED} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1154 @end deftypefn */) |
5453 | 1155 { |
20856
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Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
1156 if (args.length () != 1) |
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
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changeset
|
1157 print_usage (); |
5453 | 1158 |
20856
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Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
1159 int status = args(0).xint_value ("WIFEXITED: STATUS must be an integer"); |
5453 | 1160 |
21921
ecfcc8527661
hide sys/wait.h header and provide wrappers for waitpid macros
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changeset
|
1161 return ovl (octave::sys::wifexited (status)); |
5453 | 1162 } |
1163 | |
1164 DEFUNX ("WEXITSTATUS", FWEXITSTATUS, args, , | |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1165 doc: /* -*- texinfo -*- |
112b20240c87
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1166 @deftypefn {} {} WEXITSTATUS (@var{status}) |
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1167 Given @var{status} from a call to @code{waitpid}, return |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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1168 the exit status of the child. |
112b20240c87
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|
1169 |
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1170 This function should only be employed if @code{WIFEXITED} returned true. |
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1171 @seealso{waitpid, WIFEXITED, WIFSIGNALED, WTERMSIG, WCOREDUMP, WIFSTOPPED, WSTOPSIG, WIFCONTINUED} |
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|
1172 @end deftypefn */) |
5453 | 1173 { |
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05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
Rik <rik@octave.org>
parents:
20856
diff
changeset
|
1174 if (args.length () != 1) |
05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
Rik <rik@octave.org>
parents:
20856
diff
changeset
|
1175 print_usage (); |
5453 | 1176 |
20887
05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
Rik <rik@octave.org>
parents:
20856
diff
changeset
|
1177 int status = args(0).xint_value ("WEXITSTATUS: STATUS must be an integer"); |
5453 | 1178 |
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John W. Eaton <jwe@octave.org>
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1179 return ovl (octave::sys::wexitstatus (status)); |
5453 | 1180 } |
1181 | |
1182 DEFUNX ("WIFSIGNALED", FWIFSIGNALED, args, , | |
21966
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1183 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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1184 @deftypefn {} {} WIFSIGNALED (@var{status}) |
112b20240c87
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1185 Given @var{status} from a call to @code{waitpid}, return |
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move docstrings in C++ files out of C strings and into comments
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|
1186 true if the child process was terminated by a signal. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1187 @seealso{waitpid, WIFEXITED, WEXITSTATUS, WTERMSIG, WCOREDUMP, WIFSTOPPED, WSTOPSIG, WIFCONTINUED} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1188 @end deftypefn */) |
5453 | 1189 { |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
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diff
changeset
|
1190 if (args.length () != 1) |
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
1191 print_usage (); |
5453 | 1192 |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
1193 int status = args(0).xint_value ("WIFSIGNALED: STATUS must be an integer"); |
5453 | 1194 |
21921
ecfcc8527661
hide sys/wait.h header and provide wrappers for waitpid macros
John W. Eaton <jwe@octave.org>
parents:
21911
diff
changeset
|
1195 return ovl (octave::sys::wifsignaled (status)); |
5453 | 1196 } |
1197 | |
1198 DEFUNX ("WTERMSIG", FWTERMSIG, args, , | |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
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|
1199 doc: /* -*- texinfo -*- |
112b20240c87
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|
1200 @deftypefn {} {} WTERMSIG (@var{status}) |
112b20240c87
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|
1201 Given @var{status} from a call to @code{waitpid}, return |
112b20240c87
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changeset
|
1202 the number of the signal that caused the child process to terminate. |
112b20240c87
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|
1203 |
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|
1204 This function should only be employed if @code{WIFSIGNALED} returned true. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
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|
1205 @seealso{waitpid, WIFEXITED, WEXITSTATUS, WIFSIGNALED, WCOREDUMP, WIFSTOPPED, WSTOPSIG, WIFCONTINUED} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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changeset
|
1206 @end deftypefn */) |
5453 | 1207 { |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
1208 if (args.length () != 1) |
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
1209 print_usage (); |
5453 | 1210 |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
1211 int status = args(0).xint_value ("WTERMSIG: STATUS must be an integer"); |
5453 | 1212 |
21921
ecfcc8527661
hide sys/wait.h header and provide wrappers for waitpid macros
John W. Eaton <jwe@octave.org>
parents:
21911
diff
changeset
|
1213 return ovl (octave::sys::wtermsig (status)); |
5453 | 1214 } |
1215 | |
1216 DEFUNX ("WCOREDUMP", FWCOREDUMP, args, , | |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1217 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
1218 @deftypefn {} {} WCOREDUMP (@var{status}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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changeset
|
1219 Given @var{status} from a call to @code{waitpid}, return |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
1220 true if the child produced a core dump. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
1221 |
112b20240c87
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changeset
|
1222 This function should only be employed if @code{WIFSIGNALED} returned true. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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changeset
|
1223 The macro used to implement this function is not specified in POSIX.1-2001 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1224 and is not available on some Unix implementations (e.g., AIX, SunOS). |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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changeset
|
1225 @seealso{waitpid, WIFEXITED, WEXITSTATUS, WIFSIGNALED, WTERMSIG, WIFSTOPPED, WSTOPSIG, WIFCONTINUED} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1226 @end deftypefn */) |
5453 | 1227 { |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
1228 if (args.length () != 1) |
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
1229 print_usage (); |
5453 | 1230 |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
1231 int status = args(0).xint_value ("WCOREDUMP: STATUS must be an integer"); |
5453 | 1232 |
21921
ecfcc8527661
hide sys/wait.h header and provide wrappers for waitpid macros
John W. Eaton <jwe@octave.org>
parents:
21911
diff
changeset
|
1233 return ovl (octave::sys::wcoredump (status)); |
5453 | 1234 } |
1235 | |
1236 DEFUNX ("WIFSTOPPED", FWIFSTOPPED, args, , | |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1237 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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changeset
|
1238 @deftypefn {} {} WIFSTOPPED (@var{status}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1239 Given @var{status} from a call to @code{waitpid}, return |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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changeset
|
1240 true if the child process was stopped by delivery of a signal. |
112b20240c87
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changeset
|
1241 |
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changeset
|
1242 This is only possible if the call was done using @code{WUNTRACED} or when |
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move docstrings in C++ files out of C strings and into comments
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1243 the child is being traced (see ptrace(2)). |
112b20240c87
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changeset
|
1244 @seealso{waitpid, WIFEXITED, WEXITSTATUS, WIFSIGNALED, WTERMSIG, WCOREDUMP, WSTOPSIG, WIFCONTINUED} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
1245 @end deftypefn */) |
5453 | 1246 { |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
1247 if (args.length () != 1) |
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
1248 print_usage (); |
5453 | 1249 |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
1250 int status = args(0).xint_value ("WIFSTOPPED: STATUS must be an integer"); |
5453 | 1251 |
21921
ecfcc8527661
hide sys/wait.h header and provide wrappers for waitpid macros
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1252 return ovl (octave::sys::wifstopped (status)); |
5453 | 1253 } |
1254 | |
1255 DEFUNX ("WSTOPSIG", FWSTOPSIG, args, , | |
21966
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move docstrings in C++ files out of C strings and into comments
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changeset
|
1256 doc: /* -*- texinfo -*- |
112b20240c87
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changeset
|
1257 @deftypefn {} {} WSTOPSIG (@var{status}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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changeset
|
1258 Given @var{status} from a call to @code{waitpid}, return |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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changeset
|
1259 the number of the signal which caused the child to stop. |
112b20240c87
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|
1260 |
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changeset
|
1261 This function should only be employed if @code{WIFSTOPPED} returned true. |
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changeset
|
1262 @seealso{waitpid, WIFEXITED, WEXITSTATUS, WIFSIGNALED, WTERMSIG, WCOREDUMP, WIFSTOPPED, WIFCONTINUED} |
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move docstrings in C++ files out of C strings and into comments
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changeset
|
1263 @end deftypefn */) |
5453 | 1264 { |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
1265 if (args.length () != 1) |
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
20853
diff
changeset
|
1266 print_usage (); |
5453 | 1267 |
20856
b3a18c764161
Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
Yu Liu <yul.liuiyu@gmail.com>
parents:
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diff
changeset
|
1268 int status = args(0).xint_value ("WSTOPSIG: STATUS must be an integer"); |
5453 | 1269 |
21921
ecfcc8527661
hide sys/wait.h header and provide wrappers for waitpid macros
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changeset
|
1270 return ovl (octave::sys::wstopsig (status)); |
5453 | 1271 } |
1272 | |
1273 DEFUNX ("WIFCONTINUED", FWIFCONTINUED, args, , | |
21966
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|
1274 doc: /* -*- texinfo -*- |
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|
1275 @deftypefn {} {} WIFCONTINUED (@var{status}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1276 Given @var{status} from a call to @code{waitpid}, return |
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changeset
|
1277 true if the child process was resumed by delivery of @code{SIGCONT}. |
112b20240c87
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|
1278 @seealso{waitpid, WIFEXITED, WEXITSTATUS, WIFSIGNALED, WTERMSIG, WCOREDUMP, WIFSTOPPED, WSTOPSIG} |
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changeset
|
1279 @end deftypefn */) |
5453 | 1280 { |
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|
1281 if (args.length () != 1) |
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|
1282 print_usage (); |
5453 | 1283 |
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Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
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|
1284 int status = args(0).xint_value ("WIFCONTINUED: STATUS must be an integer"); |
5453 | 1285 |
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1286 return ovl (octave::sys::wifcontinued (status)); |
5453 | 1287 } |
1288 | |
10249
14eba566f9f0
use DEFUNX instead of DEFUN for canonicalize_file_name
John W. Eaton <jwe@octave.org>
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diff
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|
1289 DEFUNX ("canonicalize_file_name", Fcanonicalize_file_name, args, , |
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1290 doc: /* -*- texinfo -*- |
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1291 @deftypefn {} {[@var{cname}, @var{status}, @var{msg}] =} canonicalize_file_name (@var{fname}) |
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1292 Return the canonical name of file @var{fname}. |
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1293 |
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1294 If the file does not exist the empty string ("") is returned. |
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1295 @seealso{make_absolute_filename, is_absolute_filename, is_rooted_relative_filename} |
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|
1296 @end deftypefn */) |
5138 | 1297 { |
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Code sprint 2015: Refactor print_usage() in syscalls.cc to resemble m-files
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|
1298 if (args.length () != 1) |
5823 | 1299 print_usage (); |
5138 | 1300 |
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|
1301 std::string name = args(0).xstring_value ("canonicalize_file_name: NAME must be a string"); |
20887
05125a9eb9c6
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Rik <rik@octave.org>
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1302 |
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1303 std::string msg; |
20581
fd0efcdb3718
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|
1304 |
21733
cb0fdd941d84
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John W. Eaton <jwe@octave.org>
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21732
diff
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|
1305 std::string result = octave::sys::canonicalize_file_name (name, msg); |
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Yu Liu <yul.liuiyu@gmail.com>
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|
1306 |
20887
05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
Rik <rik@octave.org>
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|
1307 return ovl (result, msg.empty () ? 0 : -1, msg); |
5138 | 1308 } |
1309 | |
20887
05125a9eb9c6
2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
Rik <rik@octave.org>
parents:
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diff
changeset
|
1310 static inline octave_value |
7924 | 1311 const_value (const octave_value_list& args, int val) |
5749 | 1312 { |
20887
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2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
Rik <rik@octave.org>
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changeset
|
1313 if (args.length () != 0) |
5823 | 1314 print_usage (); |
5749 | 1315 |
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2015 Code Sprint: syscalls.cc: use ovl (), move print_usage to top of fcn.
Rik <rik@octave.org>
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|
1316 return octave_value (val); |
5749 | 1317 } |
1318 | |
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1319 DEFUNX ("F_DUPFD", FF_DUPFD, args, , |
21966
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1320 doc: /* -*- texinfo -*- |
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|
1321 @deftypefn {} {} F_DUPFD () |
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1322 Return the numerical value to pass to @code{fcntl} to return |
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|
1323 a duplicate file descriptor. |
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1324 @seealso{fcntl, F_GETFD, F_GETFL, F_SETFD, F_SETFL} |
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|
1325 @end deftypefn */) |
2075 | 1326 { |
21911 | 1327 static int val = octave_f_dupfd_wrapper (); |
1328 | |
1329 if (val < 0) | |
1330 err_disabled_feature ("F_DUPFD", "F_DUPFD"); | |
1331 | |
1332 return const_value (args, val); | |
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|
1333 } |
2075 | 1334 |
21921
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|
1335 DEFUNX ("F_GETFD", FF_GETFD, args, , |
21966
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|
1336 doc: /* -*- texinfo -*- |
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1337 @deftypefn {} {} F_GETFD () |
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|
1338 Return the numerical value to pass to @code{fcntl} to return |
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|
1339 the file descriptor flags. |
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|
1340 @seealso{fcntl, F_DUPFD, F_GETFL, F_SETFD, F_SETFL} |
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|
1341 @end deftypefn */) |
5749 | 1342 { |
21911 | 1343 static int val = octave_f_getfd_wrapper (); |
1344 | |
1345 if (val < 0) | |
1346 err_disabled_feature ("F_GETFD", "F_GETFD"); | |
1347 | |
1348 return const_value (args, val); | |
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|
1349 } |
2075 | 1350 |
21921
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|
1351 DEFUNX ("F_GETFL", FF_GETFL, args, , |
21966
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|
1352 doc: /* -*- texinfo -*- |
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1353 @deftypefn {} {} F_GETFL () |
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1354 Return the numerical value to pass to @code{fcntl} to return |
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|
1355 the file status flags. |
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|
1356 @seealso{fcntl, F_DUPFD, F_GETFD, F_SETFD, F_SETFL} |
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|
1357 @end deftypefn */) |
5749 | 1358 { |
21911 | 1359 static int val = octave_f_getfl_wrapper (); |
1360 | |
1361 if (val < 0) | |
1362 err_disabled_feature ("F_GETFL", "F_GETFL"); | |
1363 | |
1364 return const_value (args, val); | |
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|
1365 } |
2075 | 1366 |
21921
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hide sys/wait.h header and provide wrappers for waitpid macros
John W. Eaton <jwe@octave.org>
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|
1367 DEFUNX ("F_SETFD", FF_SETFD, args, , |
21966
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|
1368 doc: /* -*- texinfo -*- |
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1369 @deftypefn {} {} F_SETFD () |
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|
1370 Return the numerical value to pass to @code{fcntl} to set the file |
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|
1371 descriptor flags. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1372 @seealso{fcntl, F_DUPFD, F_GETFD, F_GETFL, F_SETFL} |
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move docstrings in C++ files out of C strings and into comments
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|
1373 @end deftypefn */) |
5749 | 1374 { |
21911 | 1375 static int val = octave_f_setfd_wrapper (); |
1376 | |
1377 if (val < 0) | |
1378 err_disabled_feature ("F_SETFD", "F_SETFD"); | |
1379 | |
1380 return const_value (args, val); | |
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|
1381 } |
2075 | 1382 |
21921
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John W. Eaton <jwe@octave.org>
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|
1383 DEFUNX ("F_SETFL", FF_SETFL, args, , |
21966
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|
1384 doc: /* -*- texinfo -*- |
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|
1385 @deftypefn {} {} F_SETFL () |
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1386 Return the numerical value to pass to @code{fcntl} to set the file |
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1387 status flags. |
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move docstrings in C++ files out of C strings and into comments
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|
1388 @seealso{fcntl, F_DUPFD, F_GETFD, F_GETFL, F_SETFD} |
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|
1389 @end deftypefn */) |
5749 | 1390 { |
21911 | 1391 static int val = octave_f_setfl_wrapper (); |
1392 | |
1393 if (val < 0) | |
1394 err_disabled_feature ("F_SETFL", "F_SETFL"); | |
1395 | |
1396 return const_value (args, val); | |
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|
1397 } |
2075 | 1398 |
21921
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|
1399 DEFUNX ("O_APPEND", FO_APPEND, args, , |
21966
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|
1400 doc: /* -*- texinfo -*- |
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1401 @deftypefn {} {} O_APPEND () |
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1402 Return the numerical value of the file status flag that may be |
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1403 returned by @code{fcntl} to indicate each write operation appends, |
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1404 or that may be passed to @code{fcntl} to set the write mode to append. |
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1405 @seealso{fcntl, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY} |
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|
1406 @end deftypefn */) |
5749 | 1407 { |
21911 | 1408 static int val = octave_o_append_wrapper (); |
1409 | |
1410 if (val < 0) | |
1411 err_disabled_feature ("O_APPEND", "O_APPEND"); | |
1412 | |
1413 return const_value (args, val); | |
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1414 } |
2075 | 1415 |
21921
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1416 DEFUNX ("O_ASYNC", FO_ASYNC, args, , |
21966
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|
1417 doc: /* -*- texinfo -*- |
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|
1418 @deftypefn {} {} O_ASYNC () |
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1419 Return the numerical value of the file status flag that may be |
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1420 returned by @code{fcntl} to indicate asynchronous I/O. |
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|
1421 @seealso{fcntl, O_APPEND, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY} |
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|
1422 @end deftypefn */) |
5749 | 1423 { |
21911 | 1424 static int val = octave_o_async_wrapper (); |
1425 | |
1426 if (val < 0) | |
1427 err_disabled_feature ("O_ASYNC", "O_ASYNC"); | |
1428 | |
1429 return const_value (args, val); | |
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1430 } |
2669 | 1431 |
21921
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1432 DEFUNX ("O_CREAT", FO_CREAT, args, , |
21966
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1433 doc: /* -*- texinfo -*- |
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1434 @deftypefn {} {} O_CREAT () |
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1435 Return the numerical value of the file status flag that may be |
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1436 returned by @code{fcntl} to indicate that a file should be created if it |
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1437 does not exist. |
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|
1438 @seealso{fcntl, O_APPEND, O_ASYNC, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY} |
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|
1439 @end deftypefn */) |
5749 | 1440 { |
21911 | 1441 static int val = octave_o_creat_wrapper (); |
1442 | |
1443 if (val < 0) | |
1444 err_disabled_feature ("O_CREAT", "O_CREAT"); | |
1445 | |
1446 return const_value (args, val); | |
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1447 } |
2075 | 1448 |
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1449 DEFUNX ("O_EXCL", FO_EXCL, args, , |
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1450 doc: /* -*- texinfo -*- |
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1451 @deftypefn {} {} O_EXCL () |
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1452 Return the numerical value of the file status flag that may be |
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1453 returned by @code{fcntl} to indicate that file locking is used. |
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1454 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY} |
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1455 @end deftypefn */) |
5749 | 1456 { |
21911 | 1457 static int val = octave_o_excl_wrapper (); |
1458 | |
1459 if (val < 0) | |
1460 err_disabled_feature ("O_EXCL", "O_EXCL"); | |
1461 | |
1462 return const_value (args, val); | |
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1463 } |
2075 | 1464 |
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1465 DEFUNX ("O_NONBLOCK", FO_NONBLOCK, args, , |
21966
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1466 doc: /* -*- texinfo -*- |
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1467 @deftypefn {} {} O_NONBLOCK () |
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1468 Return the numerical value of the file status flag that may be |
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1469 returned by @code{fcntl} to indicate that non-blocking I/O is in use, |
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1470 or that may be passsed to @code{fcntl} to set non-blocking I/O. |
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1471 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_EXCL, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY} |
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1472 @end deftypefn */) |
5749 | 1473 { |
21911 | 1474 static int val = octave_o_nonblock_wrapper (); |
1475 | |
1476 if (val < 0) | |
1477 err_disabled_feature ("O_NONBLOCK", "O_NONBLOCK"); | |
1478 | |
1479 return const_value (args, val); | |
14111
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1480 } |
2075 | 1481 |
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1482 DEFUNX ("O_RDONLY", FO_RDONLY, args, , |
21966
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1483 doc: /* -*- texinfo -*- |
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1484 @deftypefn {} {} O_RDONLY () |
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1485 Return the numerical value of the file status flag that may be |
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1486 returned by @code{fcntl} to indicate that a file is open for reading only. |
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1487 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY} |
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1488 @end deftypefn */) |
5749 | 1489 { |
21911 | 1490 static int val = octave_o_rdonly_wrapper (); |
1491 | |
1492 if (val < 0) | |
1493 err_disabled_feature ("O_RDONLY", "O_RDONLY"); | |
1494 | |
1495 return const_value (args, val); | |
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1496 } |
2075 | 1497 |
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1498 DEFUNX ("O_RDWR", FO_RDWR, args, , |
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1499 doc: /* -*- texinfo -*- |
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1500 @deftypefn {} {} O_RDWR () |
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1501 Return the numerical value of the file status flag that may be |
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1502 returned by @code{fcntl} to indicate that a file is open for both reading |
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1503 and writing. |
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1504 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_SYNC, O_TRUNC, O_WRONLY} |
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1505 @end deftypefn */) |
5749 | 1506 { |
21911 | 1507 static int val = octave_o_rdwr_wrapper (); |
1508 | |
1509 if (val < 0) | |
1510 err_disabled_feature ("O_RDWR", "O_RDWR"); | |
1511 | |
1512 return const_value (args, val); | |
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1513 } |
2075 | 1514 |
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1515 DEFUNX ("O_SYNC", FO_SYNC, args, , |
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1516 doc: /* -*- texinfo -*- |
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1517 @deftypefn {} {} O_SYNC () |
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1518 Return the numerical value of the file status flag that may be |
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1519 returned by @code{fcntl} to indicate that a file is open for synchronous |
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1520 I/O. |
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1521 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_TRUNC, O_WRONLY} |
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1522 @end deftypefn */) |
5749 | 1523 { |
21911 | 1524 static int val = octave_o_sync_wrapper (); |
1525 | |
1526 if (val < 0) | |
1527 err_disabled_feature ("O_SYNC", "O_SYNC"); | |
1528 | |
1529 return const_value (args, val); | |
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1530 } |
2669 | 1531 |
21921
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1532 DEFUNX ("O_TRUNC", FO_TRUNC, args, , |
21966
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1533 doc: /* -*- texinfo -*- |
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1534 @deftypefn {} {} O_TRUNC () |
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1535 Return the numerical value of the file status flag that may be |
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1536 returned by @code{fcntl} to indicate that if file exists, it should be |
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1537 truncated when writing. |
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1538 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_WRONLY} |
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1539 @end deftypefn */) |
5749 | 1540 { |
21911 | 1541 static int val = octave_o_trunc_wrapper (); |
1542 | |
1543 if (val < 0) | |
1544 err_disabled_feature ("O_TRUNC", "O_TRUNC"); | |
1545 | |
1546 return const_value (args, val); | |
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1547 } |
2075 | 1548 |
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1549 DEFUNX ("O_WRONLY", FO_WRONLY, args, , |
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1550 doc: /* -*- texinfo -*- |
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1551 @deftypefn {} {} O_WRONLY () |
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1552 Return the numerical value of the file status flag that may be |
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1553 returned by @code{fcntl} to indicate that a file is open for writing only. |
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1554 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC} |
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1555 @end deftypefn */) |
5749 | 1556 { |
21911 | 1557 static int val = octave_o_wronly_wrapper (); |
1558 | |
1559 if (val < 0) | |
1560 err_disabled_feature ("O_WRONLY", "O_WRONLY"); | |
1561 | |
1562 return const_value (args, val); | |
5749 | 1563 } |
3446 | 1564 |
5749 | 1565 DEFUNX ("WNOHANG", FWNOHANG, args, , |
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1566 doc: /* -*- texinfo -*- |
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1567 @deftypefn {} {} WNOHANG () |
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1568 Return the numerical value of the option argument that may be |
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1569 passed to @code{waitpid} to indicate that it should return its status |
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1570 immediately instead of waiting for a process to exit. |
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1571 @seealso{waitpid, WUNTRACED, WCONTINUE} |
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1572 @end deftypefn */) |
5749 | 1573 { |
21921
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|
1574 return const_value (args, octave::sys::wnohang ()); |
5749 | 1575 } |
5453 | 1576 |
5749 | 1577 DEFUNX ("WUNTRACED", FWUNTRACED, args, , |
21966
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1578 doc: /* -*- texinfo -*- |
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1579 @deftypefn {} {} WUNTRACED () |
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1580 Return the numerical value of the option argument that may be |
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1581 passed to @code{waitpid} to indicate that it should also return if the child |
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1582 process has stopped but is not traced via the @code{ptrace} system call |
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1583 @seealso{waitpid, WNOHANG, WCONTINUE} |
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1584 @end deftypefn */) |
5749 | 1585 { |
21921
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|
1586 return const_value (args, octave::sys::wuntraced ()); |
5749 | 1587 } |
5453 | 1588 |
5749 | 1589 DEFUNX ("WCONTINUE", FWCONTINUE, args, , |
21966
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1590 doc: /* -*- texinfo -*- |
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1591 @deftypefn {} {} WCONTINUE () |
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1592 Return the numerical value of the option argument that may be |
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1593 passed to @code{waitpid} to indicate that it should also return if a stopped |
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1594 child has been resumed by delivery of a @code{SIGCONT} signal. |
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1595 @seealso{waitpid, WNOHANG, WUNTRACED} |
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1596 @end deftypefn */) |
5749 | 1597 { |
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|
1598 return const_value (args, octave::sys::wcontinue ()); |
2075 | 1599 } |