Mercurial > octave-nkf
annotate src/syscalls.cc @ 10252:2fcc927a8757
liboctave/file-ops.h: avoid gnulib #define for canonicalize_file_name
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Wed, 03 Feb 2010 03:42:08 -0500 |
| parents | 14eba566f9f0 |
| children | 65b41bc71f09 |
| rev | line source |
|---|---|
| 2075 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2004, 2005, |
| 8920 | 4 2006, 2007, 2008, 2009 John W. Eaton |
| 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 | |
| 29 #ifdef HAVE_CONFIG_H | |
| 30 #include <config.h> | |
| 31 #endif | |
| 32 | |
| 33 #include <cstdio> | |
| 2669 | 34 #include <cstring> |
| 2075 | 35 |
| 36 #include <sys/types.h> | |
| 37 #include <unistd.h> | |
| 38 | |
| 39 #ifdef HAVE_FCNTL_H | |
| 40 #include <fcntl.h> | |
| 41 #endif | |
| 42 | |
| 2926 | 43 #include "file-ops.h" |
| 44 #include "file-stat.h" | |
| 2937 | 45 #include "oct-syscalls.h" |
| 5547 | 46 #include "oct-uname.h" |
| 2926 | 47 |
| 2075 | 48 #include "defun.h" |
| 49 #include "error.h" | |
| 2078 | 50 #include "gripes.h" |
| 2075 | 51 #include "lo-utils.h" |
| 52 #include "oct-map.h" | |
| 53 #include "oct-obj.h" | |
| 54 #include "oct-stdstrm.h" | |
| 55 #include "oct-stream.h" | |
| 56 #include "sysdep.h" | |
| 57 #include "utils.h" | |
| 2366 | 58 #include "variables.h" |
| 6321 | 59 #include "input.h" |
| 2075 | 60 |
| 61 static Octave_map | |
| 8549 | 62 mk_stat_map (const base_file_stat& fs) |
| 2075 | 63 { |
| 64 Octave_map m; | |
| 65 | |
| 4675 | 66 m.assign ("dev", static_cast<double> (fs.dev ())); |
| 67 m.assign ("ino", fs.ino ()); | |
| 5476 | 68 m.assign ("mode", fs.mode ()); |
| 4675 | 69 m.assign ("modestr", fs.mode_as_string ()); |
| 70 m.assign ("nlink", fs.nlink ()); | |
| 71 m.assign ("uid", fs.uid ()); | |
| 72 m.assign ("gid", fs.gid ()); | |
| 3887 | 73 #if defined (HAVE_STRUCT_STAT_ST_RDEV) |
| 4675 | 74 m.assign ("rdev", static_cast<double> (fs.rdev ())); |
| 2075 | 75 #endif |
| 4675 | 76 m.assign ("size", fs.size ()); |
| 77 m.assign ("atime", fs.atime ()); | |
| 78 m.assign ("mtime", fs.mtime ()); | |
| 79 m.assign ("ctime", fs.ctime ()); | |
| 3887 | 80 #if defined (HAVE_STRUCT_STAT_ST_BLKSIZE) |
| 4675 | 81 m.assign ("blksize", fs.blksize ()); |
| 2075 | 82 #endif |
| 3887 | 83 #if defined (HAVE_STRUCT_STAT_ST_BLOCKS) |
| 4675 | 84 m.assign ("blocks", fs.blocks ()); |
| 2075 | 85 #endif |
| 86 | |
| 87 return m; | |
| 88 } | |
| 89 | |
| 2457 | 90 DEFUN (dup2, args, , |
| 3301 | 91 "-*- texinfo -*-\n\ |
| 92 @deftypefn {Built-in Function} {[@var{fid}, @var{msg}] =} dup2 (@var{old}, @var{new})\n\ | |
| 2669 | 93 Duplicate a file descriptor.\n\ |
| 94 \n\ | |
| 3301 | 95 If successful, @var{fid} is greater than zero and contains the new file\n\ |
| 96 ID. Otherwise, @var{fid} is negative and @var{msg} contains a\n\ | |
| 97 system-dependent error message.\n\ | |
| 98 @end deftypefn") | |
| 2075 | 99 { |
| 2669 | 100 octave_value_list retval; |
| 101 | |
| 3523 | 102 retval(1) = std::string (); |
| 4294 | 103 retval(0) = -1; |
| 2075 | 104 |
| 105 int nargin = args.length (); | |
| 106 | |
| 107 if (nargin == 2) | |
| 108 { | |
| 3341 | 109 octave_stream old_stream |
| 110 = octave_stream_list::lookup (args(0), "dup2"); | |
| 2075 | 111 |
| 3341 | 112 if (! error_state) |
| 2075 | 113 { |
| 3341 | 114 octave_stream new_stream |
| 115 = octave_stream_list::lookup (args(1), "dup2"); | |
| 2075 | 116 |
| 3341 | 117 if (! error_state) |
| 3145 | 118 { |
| 3341 | 119 int i_old = old_stream.file_number (); |
| 120 int i_new = new_stream.file_number (); | |
| 2937 | 121 |
| 3341 | 122 if (i_old >= 0 && i_new >= 0) |
| 123 { | |
| 3523 | 124 std::string msg; |
| 2669 | 125 |
| 3341 | 126 int status = octave_syscalls::dup2 (i_old, i_new, msg); |
| 127 | |
| 4233 | 128 retval(0) = status; |
| 3341 | 129 retval(1) = msg; |
| 130 } | |
| 2075 | 131 } |
| 132 } | |
| 3145 | 133 else |
| 134 error ("dup2: invalid stream"); | |
| 2075 | 135 } |
| 136 else | |
| 5823 | 137 print_usage (); |
| 2075 | 138 |
| 139 return retval; | |
| 140 } | |
| 141 | |
| 2457 | 142 DEFUN (exec, args, , |
| 3301 | 143 "-*- texinfo -*-\n\ |
| 144 @deftypefn {Built-in Function} {[@var{err}, @var{msg}] =} exec (@var{file}, @var{args})\n\ | |
| 145 Replace current process with a new process. Calling @code{exec} without\n\ | |
| 146 first calling @code{fork} will terminate your current Octave process and\n\ | |
| 147 replace it with the program named by @var{file}. For example,\n\ | |
| 2669 | 148 \n\ |
| 3301 | 149 @example\n\ |
| 150 exec (\"ls\" \"-l\")\n\ | |
| 151 @end example\n\ | |
| 2669 | 152 \n\ |
| 3301 | 153 @noindent\n\ |
| 154 will run @code{ls} and return you to your shell prompt.\n\ | |
| 155 \n\ | |
| 156 If successful, @code{exec} does not return. If @code{exec} does return,\n\ | |
| 157 @var{err} will be nonzero, and @var{msg} will contain a system-dependent\n\ | |
| 158 error message.\n\ | |
| 159 @end deftypefn") | |
| 2075 | 160 { |
| 2669 | 161 octave_value_list retval; |
| 162 | |
| 3523 | 163 retval(1) = std::string (); |
| 4294 | 164 retval(0) = -1; |
| 2075 | 165 |
| 166 int nargin = args.length (); | |
| 167 | |
| 168 if (nargin == 1 || nargin == 2) | |
| 169 { | |
| 3523 | 170 std::string exec_file = args(0).string_value (); |
| 2075 | 171 |
| 172 if (! error_state) | |
| 173 { | |
| 2937 | 174 string_vector exec_args; |
| 2075 | 175 |
| 176 if (nargin == 2) | |
| 177 { | |
| 2937 | 178 string_vector tmp = args(1).all_strings (); |
| 2075 | 179 |
| 180 if (! error_state) | |
| 181 { | |
| 2937 | 182 int len = tmp.length (); |
| 2075 | 183 |
| 2937 | 184 exec_args.resize (len + 1); |
| 2075 | 185 |
| 2937 | 186 exec_args[0] = exec_file; |
| 2075 | 187 |
| 2937 | 188 for (int i = 0; i < len; i++) |
| 189 exec_args[i+1] = tmp[i]; | |
| 2075 | 190 } |
| 191 else | |
| 5138 | 192 error ("exec: arguments must be character strings"); |
| 2075 | 193 } |
| 194 else | |
| 195 { | |
| 2937 | 196 exec_args.resize (1); |
| 2075 | 197 |
| 2937 | 198 exec_args[0] = exec_file; |
| 2075 | 199 } |
| 200 | |
| 201 if (! error_state) | |
| 2669 | 202 { |
| 3523 | 203 std::string msg; |
| 2937 | 204 |
| 205 int status = octave_syscalls::execvp (exec_file, exec_args, msg); | |
| 2669 | 206 |
| 4233 | 207 retval(0) = status; |
| 2937 | 208 retval(1) = msg; |
| 2669 | 209 } |
| 2075 | 210 } |
| 211 else | |
| 212 error ("exec: first argument must be a string"); | |
| 213 } | |
| 214 else | |
| 5823 | 215 print_usage (); |
| 2075 | 216 |
| 217 return retval; | |
| 218 } | |
| 219 | |
| 6321 | 220 DEFUN (popen2, args, , |
| 221 "-*- texinfo -*-\n\ | |
| 6678 | 222 @deftypefn {Built-in Function} {[@var{in}, @var{out}, @var{pid}] =} popen2 (@var{command}, @var{args})\n\ |
| 6321 | 223 Start a subprocess with two-way communication. The name of the process\n\ |
| 224 is given by @var{command}, and @var{args} is an array of strings\n\ | |
| 225 containing options for the command. The file identifiers for the input\n\ | |
| 226 and output streams of the subprocess are returned in @var{in} and\n\ | |
| 227 @var{out}. If execution of the command is successful, @var{pid}\n\ | |
| 228 contains the process ID of the subprocess. Otherwise, @var{pid} is\n\ | |
| 229 @minus{}1.\n\ | |
| 230 \n\ | |
| 231 For example,\n\ | |
| 232 \n\ | |
| 233 @example\n\ | |
| 6923 | 234 [in, out, pid] = popen2 (\"sort\", \"-r\");\n\ |
| 6321 | 235 fputs (in, \"these\\nare\\nsome\\nstrings\\n\");\n\ |
| 236 fclose (in);\n\ | |
| 237 EAGAIN = errno (\"EAGAIN\");\n\ | |
| 238 done = false;\n\ | |
| 239 do\n\ | |
| 240 s = fgets (out);\n\ | |
| 241 if (ischar (s))\n\ | |
| 242 fputs (stdout, s);\n\ | |
| 243 elseif (errno () == EAGAIN)\n\ | |
| 244 sleep (0.1);\n\ | |
| 245 fclear (out);\n\ | |
| 246 else\n\ | |
| 247 done = true;\n\ | |
| 248 endif\n\ | |
| 249 until (done)\n\ | |
| 250 fclose (out);\n\ | |
|
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251 waitpid (pid);\n\ |
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252 @print{} these\n\ |
| 6321 | 253 @print{} strings\n\ |
|
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254 @print{} some\n\ |
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255 @print{} are\n\ |
| 6321 | 256 @end example\n\ |
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257 \n\ |
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258 Note that @code{popen2}, unlike @code{popen}, will not \"reap\" the\n\ |
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259 child process. If you don't use @code{waitpid} to check the child's\n\ |
| 9564 | 260 exit status, it will linger until Octave exits.\n\ |
| 6321 | 261 @end deftypefn") |
| 262 { | |
| 263 octave_value_list retval; | |
| 264 | |
| 265 retval(2) = -1; | |
| 266 retval(1) = Matrix (); | |
| 267 retval(0) = Matrix (); | |
| 268 | |
| 269 int nargin = args.length (); | |
| 270 | |
| 271 if (nargin >= 1 && nargin <= 3) | |
| 272 { | |
| 273 std::string exec_file = args(0).string_value(); | |
| 274 | |
| 275 if (! error_state) | |
| 276 { | |
| 277 string_vector arg_list; | |
| 278 | |
| 279 if (nargin >= 2) | |
| 280 { | |
| 281 string_vector tmp = args(1).all_strings (); | |
| 282 | |
| 283 if (! error_state) | |
| 284 { | |
| 285 int len = tmp.length (); | |
| 286 | |
| 287 arg_list.resize (len + 1); | |
| 288 | |
| 289 arg_list[0] = exec_file; | |
| 290 | |
| 291 for (int i = 0; i < len; i++) | |
| 292 arg_list[i+1] = tmp[i]; | |
| 293 } | |
| 294 else | |
| 295 error ("popen2: arguments must be character strings"); | |
| 296 } | |
| 297 else | |
| 298 { | |
| 299 arg_list.resize (1); | |
| 300 | |
| 301 arg_list[0] = exec_file; | |
| 302 } | |
| 303 | |
| 304 if (! error_state) | |
| 305 { | |
| 306 bool sync_mode = (nargin == 3 ? args(2).bool_value() : false); | |
| 307 | |
| 308 if (! error_state) | |
| 309 { | |
| 310 int fildes[2]; | |
| 311 std::string msg; | |
| 312 pid_t pid; | |
| 313 | |
| 314 pid = octave_syscalls::popen2 (exec_file, arg_list, sync_mode, fildes, msg, interactive); | |
| 315 if (pid >= 0) | |
| 316 { | |
| 317 FILE *ifile = fdopen (fildes[1], "r"); | |
| 318 FILE *ofile = fdopen (fildes[0], "w"); | |
| 319 | |
| 320 std::string nm; | |
| 321 | |
| 322 octave_stream is = octave_stdiostream::create (nm, ifile, | |
| 323 std::ios::in); | |
| 324 | |
| 325 octave_stream os = octave_stdiostream::create (nm, ofile, | |
| 326 std::ios::out); | |
| 327 | |
| 328 Cell file_ids (1, 2); | |
| 329 | |
| 330 retval(0) = octave_stream_list::insert (os); | |
| 331 retval(1) = octave_stream_list::insert (is); | |
| 332 retval(2) = pid; | |
| 333 } | |
| 334 else | |
| 335 error (msg.c_str ()); | |
| 336 } | |
| 337 } | |
| 338 else | |
| 339 error ("popen2: arguments must be character strings"); | |
| 340 } | |
| 341 else | |
| 342 error ("popen2: first argument must be a string"); | |
| 343 } | |
| 344 else | |
| 345 print_usage (); | |
| 346 | |
| 347 return retval; | |
| 348 } | |
| 349 | |
| 350 /* | |
| 351 | |
| 352 %!test | |
| 353 %! if (isunix()) | |
| 6923 | 354 %! [in, out, pid] = popen2 ("sort", "-r"); |
| 6321 | 355 %! EAGAIN = errno ("EAGAIN"); |
| 356 %! else | |
| 6322 | 357 %! [in, out, pid] = popen2 ("sort", "/R"); |
| 6321 | 358 %! EAGAIN = errno ("EINVAL"); |
| 359 %! endif | |
| 360 %! fputs (in, "these\nare\nsome\nstrings\n"); | |
| 361 %! fclose (in); | |
| 362 %! done = false; | |
| 363 %! str = {}; | |
| 364 %! idx = 0; | |
| 6545 | 365 %! errs = 0; |
| 6321 | 366 %! do |
| 367 %! if (!isunix()) | |
| 368 %! errno (0); | |
| 369 %! endif | |
| 370 %! s = fgets (out); | |
| 371 %! if (ischar (s)) | |
| 372 %! idx++; | |
| 373 %! str{idx} = s; | |
| 374 %! elseif (errno () == EAGAIN) | |
| 6543 | 375 %! fclear (out); |
| 6321 | 376 %! sleep (0.1); |
| 6545 | 377 %! if (++errs == 100) |
| 378 %! done = true; | |
| 379 %! endif | |
| 6321 | 380 %! else |
| 381 %! done = true; | |
| 382 %! endif | |
| 6545 | 383 %! until (done) |
| 6321 | 384 %! fclose (out); |
| 6324 | 385 %! if (isunix()) |
| 6322 | 386 %! assert(str,{"these\n","strings\n","some\n","are\n"}) |
| 387 %! else | |
| 388 %! assert(str,{"these\r\n","strings\r\n","some\r\n","are\r\n"}) | |
| 389 %! end | |
| 6321 | 390 |
| 391 */ | |
| 392 | |
| 2457 | 393 DEFUN (fcntl, args, , |
| 3301 | 394 "-*- texinfo -*-\n\ |
| 395 @deftypefn {Built-in Function} {[@var{err}, @var{msg}] =} fcntl (@var{fid}, @var{request}, @var{arg})\n\ | |
| 396 Change the properties of the open file @var{fid}. The following values\n\ | |
| 397 may be passed as @var{request}:\n\ | |
| 398 \n\ | |
| 399 @vtable @code\n\ | |
| 400 @item F_DUPFD\n\ | |
| 401 Return a duplicate file descriptor.\n\ | |
| 402 \n\ | |
| 403 @item F_GETFD\n\ | |
| 404 Return the file descriptor flags for @var{fid}.\n\ | |
| 405 \n\ | |
| 406 @item F_SETFD\n\ | |
| 407 Set the file descriptor flags for @var{fid}.\n\ | |
| 408 \n\ | |
| 409 @item F_GETFL\n\ | |
| 410 Return the file status flags for @var{fid}. The following codes may be\n\ | |
| 411 returned (some of the flags may be undefined on some systems).\n\ | |
| 412 \n\ | |
| 413 @vtable @code\n\ | |
| 414 @item O_RDONLY\n\ | |
| 415 Open for reading only.\n\ | |
| 416 \n\ | |
| 417 @item O_WRONLY\n\ | |
| 418 Open for writing only.\n\ | |
| 2669 | 419 \n\ |
| 3301 | 420 @item O_RDWR\n\ |
| 421 Open for reading and writing.\n\ | |
| 422 \n\ | |
| 423 @item O_APPEND\n\ | |
| 424 Append on each write.\n\ | |
| 425 \n\ | |
| 5040 | 426 @item O_CREAT\n\ |
| 427 Create the file if it does not exist.\n\ | |
| 428 \n\ | |
| 3301 | 429 @item O_NONBLOCK\n\ |
| 430 Nonblocking mode.\n\ | |
| 431 \n\ | |
| 432 @item O_SYNC\n\ | |
| 433 Wait for writes to complete.\n\ | |
| 2669 | 434 \n\ |
| 3301 | 435 @item O_ASYNC\n\ |
| 436 Asynchronous I/O.\n\ | |
| 437 @end vtable\n\ | |
| 438 \n\ | |
| 439 @item F_SETFL\n\ | |
| 440 Set the file status flags for @var{fid} to the value specified by\n\ | |
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441 @var{arg}. The only flags that can be changed are @w{@code{O_APPEND}} and\n\ |
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442 @w{@code{O_NONBLOCK}}.\n\ |
| 3301 | 443 @end vtable\n\ |
| 444 \n\ | |
| 445 If successful, @var{err} is 0 and @var{msg} is an empty string.\n\ | |
| 446 Otherwise, @var{err} is nonzero and @var{msg} contains a\n\ | |
| 447 system-dependent error message.\n\ | |
| 448 @end deftypefn") | |
| 2075 | 449 { |
| 2669 | 450 octave_value_list retval; |
| 451 | |
| 3523 | 452 retval(1) = std::string (); |
| 4294 | 453 retval(0) = -1; |
| 2075 | 454 |
| 455 int nargin = args.length (); | |
| 456 | |
| 457 if (nargin == 3) | |
| 458 { | |
| 3715 | 459 octave_stream strm = octave_stream_list::lookup (args (0), "fcntl"); |
| 2075 | 460 |
| 3202 | 461 if (! error_state) |
| 2075 | 462 { |
| 3715 | 463 int fid = strm.file_number (); |
| 464 | |
| 465 int req = args(1).int_value (true); | |
| 466 int arg = args(2).int_value (true); | |
| 467 | |
| 468 if (! error_state) | |
| 2669 | 469 { |
| 5775 | 470 // FIXME -- Need better checking here? |
| 3715 | 471 if (fid < 0) |
| 472 error ("fcntl: invalid file id"); | |
| 473 else | |
| 474 { | |
| 475 std::string msg; | |
| 2937 | 476 |
| 3715 | 477 int status = octave_syscalls::fcntl (fid, req, arg, msg); |
| 2669 | 478 |
| 4233 | 479 retval(0) = status; |
| 3715 | 480 retval(1) = msg; |
| 481 } | |
| 2669 | 482 } |
| 2075 | 483 } |
| 484 else | |
| 3202 | 485 error ("fcntl: file id, request, and argument must be integers"); |
| 2075 | 486 } |
| 487 else | |
| 5823 | 488 print_usage (); |
| 2075 | 489 |
| 490 return retval; | |
| 491 } | |
| 492 | |
| 2457 | 493 DEFUN (fork, args, , |
| 3301 | 494 "-*- texinfo -*-\n\ |
| 495 @deftypefn {Built-in Function} {[@var{pid}, @var{msg}] =} fork ()\n\ | |
| 2669 | 496 Create a copy of the current process.\n\ |
| 497 \n\ | |
| 3301 | 498 Fork can return one of the following values:\n\ |
| 499 \n\ | |
| 500 @table @asis\n\ | |
| 501 @item > 0\n\ | |
| 502 You are in the parent process. The value returned from @code{fork} is\n\ | |
| 503 the process id of the child process. You should probably arrange to\n\ | |
| 504 wait for any child processes to exit.\n\ | |
| 505 \n\ | |
| 506 @item 0\n\ | |
| 507 You are in the child process. You can call @code{exec} to start another\n\ | |
| 508 process. If that fails, you should probably call @code{exit}.\n\ | |
| 509 \n\ | |
| 510 @item < 0\n\ | |
| 511 The call to @code{fork} failed for some reason. You must take evasive\n\ | |
| 512 action. A system dependent error message will be waiting in @var{msg}.\n\ | |
| 513 @end table\n\ | |
| 514 @end deftypefn") | |
| 2075 | 515 { |
| 2669 | 516 octave_value_list retval; |
| 517 | |
| 3523 | 518 retval(1) = std::string (); |
| 4294 | 519 retval(0) = -1; |
| 2075 | 520 |
| 521 int nargin = args.length (); | |
| 522 | |
| 523 if (nargin == 0) | |
| 2475 | 524 { |
| 3523 | 525 std::string msg; |
| 2937 | 526 |
| 527 pid_t pid = octave_syscalls::fork (msg); | |
| 2669 | 528 |
| 4233 | 529 retval(0) = pid; |
| 2937 | 530 retval(1) = msg; |
| 2475 | 531 } |
| 2075 | 532 else |
| 5823 | 533 print_usage (); |
| 2075 | 534 |
| 535 return retval; | |
| 536 } | |
| 537 | |
| 2457 | 538 DEFUN (getpgrp, args, , |
| 3301 | 539 "-*- texinfo -*-\n\ |
| 540 @deftypefn {Built-in Function} {pgid =} getpgrp ()\n\ | |
| 541 Return the process group id of the current process.\n\ | |
| 542 @end deftypefn") | |
| 2075 | 543 { |
| 2937 | 544 octave_value_list retval; |
| 545 | |
| 3523 | 546 retval(1) = std::string (); |
| 4294 | 547 retval(0) = -1; |
| 2075 | 548 |
| 549 int nargin = args.length (); | |
| 550 | |
| 551 if (nargin == 0) | |
| 2475 | 552 { |
| 3523 | 553 std::string msg; |
| 2937 | 554 |
| 4233 | 555 retval(0) = octave_syscalls::getpgrp (msg); |
| 2937 | 556 retval(1) = msg; |
| 2475 | 557 } |
| 2075 | 558 else |
| 5823 | 559 print_usage (); |
| 2075 | 560 |
| 561 return retval; | |
| 562 } | |
| 563 | |
| 2457 | 564 DEFUN (getpid, args, , |
| 3301 | 565 "-*- texinfo -*-\n\ |
| 566 @deftypefn {Built-in Function} {pid =} getpid ()\n\ | |
| 567 Return the process id of the current process.\n\ | |
| 568 @end deftypefn") | |
| 2075 | 569 { |
| 4233 | 570 octave_value retval = -1; |
| 2075 | 571 |
| 572 int nargin = args.length (); | |
| 573 | |
| 574 if (nargin == 0) | |
| 2937 | 575 retval = octave_syscalls::getpid (); |
| 2075 | 576 else |
| 5823 | 577 print_usage (); |
| 2075 | 578 |
| 579 return retval; | |
| 580 } | |
| 581 | |
| 2457 | 582 DEFUN (getppid, args, , |
| 3301 | 583 "-*- texinfo -*-\n\ |
| 584 @deftypefn {Built-in Function} {pid =} getppid ()\n\ | |
| 585 Return the process id of the parent process.\n\ | |
| 586 @end deftypefn") | |
| 2075 | 587 { |
| 4233 | 588 octave_value retval = -1; |
| 2075 | 589 |
| 2475 | 590 int nargin = args.length (); |
| 591 | |
| 592 if (nargin == 0) | |
| 2937 | 593 retval = octave_syscalls::getppid (); |
| 2475 | 594 else |
| 5823 | 595 print_usage (); |
| 2475 | 596 |
| 597 return retval; | |
| 598 } | |
| 599 | |
| 600 DEFUN (getegid, args, , | |
| 3301 | 601 "-*- texinfo -*-\n\ |
| 602 @deftypefn {Built-in Function} {egid =} getegid ()\n\ | |
| 603 Return the effective group id of the current process.\n\ | |
| 604 @end deftypefn") | |
| 2475 | 605 { |
| 4233 | 606 octave_value retval = -1; |
| 2475 | 607 |
| 2075 | 608 int nargin = args.length (); |
| 609 | |
| 610 if (nargin == 0) | |
| 4254 | 611 retval = octave_syscalls::getegid (); |
| 2075 | 612 else |
| 5823 | 613 print_usage (); |
| 2475 | 614 |
| 615 return retval; | |
| 616 } | |
| 617 | |
| 618 DEFUN (getgid, args, , | |
| 3301 | 619 "-*- texinfo -*-\n\ |
| 620 @deftypefn {Built-in Function} {gid =} getgid ()\n\ | |
| 621 Return the real group id of the current process.\n\ | |
| 622 @end deftypefn") | |
| 2475 | 623 { |
| 4233 | 624 octave_value retval = -1; |
| 2475 | 625 |
| 626 int nargin = args.length (); | |
| 627 | |
| 628 if (nargin == 0) | |
| 4254 | 629 retval = octave_syscalls::getgid (); |
| 2475 | 630 else |
| 5823 | 631 print_usage (); |
| 2075 | 632 |
| 633 return retval; | |
| 634 } | |
| 635 | |
| 2473 | 636 DEFUN (geteuid, args, , |
| 3301 | 637 "-*- texinfo -*-\n\ |
| 638 @deftypefn {Built-in Function} {euid =} geteuid ()\n\ | |
| 639 Return the effective user id of the current process.\n\ | |
| 640 @end deftypefn") | |
| 2472 | 641 { |
| 4233 | 642 octave_value retval = -1; |
| 2472 | 643 |
| 644 int nargin = args.length (); | |
| 645 | |
| 646 if (nargin == 0) | |
| 4254 | 647 retval = octave_syscalls::geteuid (); |
| 2472 | 648 else |
| 5823 | 649 print_usage (); |
| 2473 | 650 |
| 651 return retval; | |
| 2472 | 652 } |
| 653 | |
| 2473 | 654 DEFUN (getuid, args, , |
| 3301 | 655 "-*- texinfo -*-\n\ |
| 656 @deftypefn {Built-in Function} {uid =} getuid ()\n\ | |
| 657 Return the real user id of the current process.\n\ | |
| 658 @end deftypefn") | |
| 2472 | 659 { |
| 4233 | 660 octave_value retval = -1; |
| 2472 | 661 |
| 662 int nargin = args.length (); | |
| 663 | |
| 664 if (nargin == 0) | |
| 4254 | 665 retval = octave_syscalls::getuid (); |
| 2472 | 666 else |
| 5823 | 667 print_usage (); |
| 2473 | 668 |
| 669 return retval; | |
| 2472 | 670 } |
| 671 | |
| 4294 | 672 DEFUN (kill, args, , |
| 4371 | 673 "-*- texinfo -*-\n\ |
| 4294 | 674 @deftypefn {Built-in Function} {[@var{err}, @var{msg}] =} kill (@var{pid}, @var{sig})\n\ |
| 675 Send signal @var{sig} to process @var{pid}.\n\ | |
| 676 \n\ | |
| 677 If @var{pid} is positive, then signal @var{sig} is sent to @var{pid}.\n\ | |
| 678 \n\ | |
| 679 If @var{pid} is 0, then signal @var{sig} is sent to every process\n\ | |
| 680 in the process group of the current process.\n\ | |
| 681 \n\ | |
| 682 If @var{pid} is -1, then signal @var{sig} is sent to every process\n\ | |
| 683 except process 1.\n\ | |
| 684 \n\ | |
| 685 If @var{pid} is less than -1, then signal @var{sig} is sent to every\n\ | |
| 686 process in the process group @var{-pid}.\n\ | |
| 687 \n\ | |
| 4371 | 688 If @var{sig} is 0, then no signal is sent, but error checking is still\n\ |
| 4294 | 689 performed.\n\ |
| 690 \n\ | |
| 7001 | 691 Return 0 if successful, otherwise return -1.\n\ |
| 4294 | 692 @end deftypefn") |
| 693 { | |
| 694 octave_value_list retval; | |
| 695 | |
| 696 retval(1) = std::string (); | |
| 697 retval(0) = -1; | |
| 698 | |
| 699 if (args.length () == 2) | |
| 700 { | |
| 701 pid_t pid = args(0).int_value (true); | |
| 702 | |
| 703 if (! error_state) | |
| 704 { | |
| 705 int sig = args(1).int_value (true); | |
| 706 | |
| 707 if (! error_state) | |
| 708 { | |
| 709 std::string msg; | |
| 710 | |
| 711 int status = octave_syscalls::kill (pid, sig, msg); | |
| 712 | |
| 713 retval(1) = msg; | |
| 714 retval(0) = status; | |
| 715 } | |
| 716 } | |
| 717 } | |
| 718 else | |
| 5823 | 719 print_usage (); |
| 4294 | 720 |
| 721 return retval; | |
| 722 } | |
| 723 | |
| 8549 | 724 DEFUN (fstat, args, , |
| 725 "-*- texinfo -*-\n\ | |
| 726 @deftypefn {Built-in Function} {[@var{info}, @var{err}, @var{msg}] =} fstat (@var{fid})\n\ | |
|
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727 Return information about the open file @var{fid}. See @code{stat}\n\ |
| 8549 | 728 for a description of the contents of @var{info}.\n\ |
| 729 @end deftypefn") | |
| 730 { | |
| 731 octave_value_list retval; | |
| 732 | |
| 733 if (args.length () == 1) | |
| 734 { | |
| 735 int fid = octave_stream_list::get_file_number (args(0)); | |
| 736 | |
| 737 if (! error_state) | |
| 738 { | |
| 739 file_fstat fs (fid); | |
| 740 | |
| 741 if (fs) | |
| 742 { | |
| 743 retval(2) = std::string (); | |
| 744 retval(1) = 0; | |
| 745 retval(0) = octave_value (mk_stat_map (fs)); | |
| 746 } | |
| 747 else | |
| 748 { | |
| 749 retval(2) = fs.error (); | |
| 750 retval(1) = -1; | |
| 751 retval(0) = Matrix (); | |
| 752 } | |
| 753 } | |
| 754 } | |
| 755 else | |
| 756 print_usage (); | |
| 757 | |
| 758 return retval; | |
| 759 } | |
| 760 | |
| 2075 | 761 DEFUN (lstat, args, , |
| 3458 | 762 "-*- texinfo -*-\n\ |
| 763 @deftypefn {Built-in Function} {[@var{info}, @var{err}, @var{msg}] =} lstat (@var{file})\n\ | |
| 764 See stat.\n\ | |
| 765 @end deftypefn") | |
| 2075 | 766 { |
| 2263 | 767 octave_value_list retval; |
| 2075 | 768 |
| 769 if (args.length () == 1) | |
| 770 { | |
| 5872 | 771 std::string fname = args(0).string_value (); |
| 2075 | 772 |
| 773 if (! error_state) | |
| 774 { | |
| 775 file_stat fs (fname, false); | |
| 776 | |
| 2263 | 777 if (fs) |
| 2262 | 778 { |
| 3523 | 779 retval(2) = std::string (); |
| 4294 | 780 retval(1) = 0; |
| 4233 | 781 retval(0) = mk_stat_map (fs); |
| 2262 | 782 } |
| 783 else | |
| 784 { | |
| 785 retval(2) = fs.error (); | |
| 4294 | 786 retval(1) = -1; |
| 2262 | 787 retval(0) = Matrix (); |
| 788 } | |
| 2075 | 789 } |
| 790 } | |
| 791 else | |
| 5823 | 792 print_usage (); |
| 2075 | 793 |
| 794 return retval; | |
| 795 } | |
| 796 | |
| 3301 | 797 |
| 798 | |
|
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799 DEFUNX ("mkfifo", Fmkfifo, args, , |
| 3345 | 800 "-*- texinfo -*-\n\ |
| 4825 | 801 @deftypefn {Built-in Function} {[@var{err}, @var{msg}] =} mkfifo (@var{name}, @var{mode})\n\ |
| 4928 | 802 Create a @var{fifo} special file named @var{name} with file mode @var{mode}\n\ |
| 2075 | 803 \n\ |
| 3301 | 804 If successful, @var{err} is 0 and @var{msg} is an empty string.\n\ |
| 805 Otherwise, @var{err} is nonzero and @var{msg} contains a\n\ | |
| 806 system-dependent error message.\n\ | |
| 807 @end deftypefn") | |
| 2075 | 808 { |
| 2669 | 809 octave_value_list retval; |
| 810 | |
| 3523 | 811 retval(1) = std::string (); |
| 4294 | 812 retval(0) = -1; |
| 2075 | 813 |
| 814 int nargin = args.length (); | |
| 815 | |
| 816 if (nargin == 2) | |
| 817 { | |
| 818 if (args(0).is_string ()) | |
| 819 { | |
| 3523 | 820 std::string name = args(0).string_value (); |
| 2075 | 821 |
| 822 if (args(1).is_scalar_type ()) | |
| 823 { | |
| 4254 | 824 long mode = args(1).long_value (); |
| 2075 | 825 |
| 4254 | 826 if (! error_state) |
| 827 { | |
| 828 std::string msg; | |
| 829 | |
|
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830 int status = octave_mkfifo (name, mode, msg); |
| 2669 | 831 |
| 4254 | 832 retval(0) = status; |
| 2669 | 833 |
| 4254 | 834 if (status < 0) |
| 835 retval(1) = msg; | |
| 836 } | |
| 837 else | |
| 838 error ("mkfifo: invalid MODE"); | |
| 2075 | 839 } |
| 840 else | |
| 841 error ("mkfifo: MODE must be an integer"); | |
| 842 } | |
| 843 else | |
| 844 error ("mkfifo: file name must be a string"); | |
| 845 } | |
| 846 else | |
| 5823 | 847 print_usage (); |
| 2075 | 848 |
| 849 return retval; | |
| 850 } | |
| 851 | |
| 852 DEFUN (pipe, args, , | |
| 3301 | 853 "-*- texinfo -*-\n\ |
| 6321 | 854 @deftypefn {Built-in Function} {[@var{read_fd}, @var{write_fd}, @var{err}, @var{msg}] =} pipe ()\n\ |
| 855 Create a pipe and return the reading and writing ends of the pipe\n\ | |
| 856 into @var{read_fd} and @var{write_fd} respectively.\n\ | |
| 2669 | 857 \n\ |
| 3301 | 858 If successful, @var{err} is 0 and @var{msg} is an empty string.\n\ |
| 859 Otherwise, @var{err} is nonzero and @var{msg} contains a\n\ | |
| 860 system-dependent error message.\n\ | |
| 861 @end deftypefn") | |
| 2075 | 862 { |
| 2669 | 863 octave_value_list retval; |
| 864 | |
| 6321 | 865 retval(3) = std::string (); |
| 866 retval(2) = -1; | |
| 4294 | 867 retval(1) = -1; |
| 6321 | 868 retval(0) = -1; |
| 2075 | 869 |
| 870 int nargin = args.length (); | |
| 871 | |
| 872 if (nargin == 0) | |
| 873 { | |
| 874 int fid[2]; | |
| 875 | |
| 3523 | 876 std::string msg; |
| 2937 | 877 |
| 878 int status = octave_syscalls::pipe (fid, msg); | |
| 2669 | 879 |
| 880 if (status < 0) | |
| 6321 | 881 retval(3) = msg; |
| 2669 | 882 else |
| 2075 | 883 { |
| 3340 | 884 FILE *ifile = fdopen (fid[0], "r"); |
| 885 FILE *ofile = fdopen (fid[1], "w"); | |
| 2075 | 886 |
| 4327 | 887 std::string nm; |
| 888 | |
| 889 octave_stream is = octave_stdiostream::create (nm, ifile, | |
| 890 std::ios::in); | |
| 891 | |
| 892 octave_stream os = octave_stdiostream::create (nm, ofile, | |
| 893 std::ios::out); | |
| 2075 | 894 |
| 6321 | 895 retval(1) = octave_stream_list::insert (os); |
| 896 retval(0) = octave_stream_list::insert (is); | |
| 2075 | 897 |
| 6321 | 898 retval(2) = status; |
| 2669 | 899 } |
| 2075 | 900 } |
| 901 else | |
| 5823 | 902 print_usage (); |
| 2075 | 903 |
| 904 return retval; | |
| 905 } | |
| 906 | |
| 907 DEFUN (stat, args, , | |
| 3301 | 908 "-*- texinfo -*-\n\ |
| 909 @deftypefn {Built-in Function} {[@var{info}, @var{err}, @var{msg}] =} stat (@var{file})\n\ | |
| 910 @deftypefnx {Built-in Function} {[@var{info}, @var{err}, @var{msg}] =} lstat (@var{file})\n\ | |
| 911 Return a structure @var{s} containing the following information about\n\ | |
| 912 @var{file}.\n\ | |
| 913 \n\ | |
| 914 @table @code\n\ | |
| 915 @item dev\n\ | |
| 916 ID of device containing a directory entry for this file.\n\ | |
| 917 \n\ | |
| 918 @item ino\n\ | |
| 919 File number of the file.\n\ | |
| 920 \n\ | |
| 5476 | 921 @item mode\n\ |
|
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922 File mode, as an integer. Use the functions @w{@code{S_ISREG}},\n\ |
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923 @w{@code{S_ISDIR}}, @w{@code{S_ISCHR}}, @w{@code{S_ISBLK}}, @w{@code{S_ISFIFO}},\n\ |
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924 @w{@code{S_ISLNK}}, or @w{@code{S_ISSOCK}} to extract information from this\n\ |
| 5476 | 925 value.\n\ |
| 926 \n\ | |
| 3301 | 927 @item modestr\n\ |
| 928 File mode, as a string of ten letters or dashes as would be returned by\n\ | |
| 929 @kbd{ls -l}.\n\ | |
| 930 \n\ | |
| 931 @item nlink\n\ | |
| 932 Number of links.\n\ | |
| 2075 | 933 \n\ |
| 3301 | 934 @item uid\n\ |
| 935 User ID of file's owner.\n\ | |
| 936 \n\ | |
| 937 @item gid\n\ | |
| 938 Group ID of file's group.\n\ | |
| 939 \n\ | |
| 940 @item rdev\n\ | |
| 941 ID of device for block or character special files.\n\ | |
| 942 \n\ | |
| 943 @item size\n\ | |
| 944 Size in bytes.\n\ | |
| 945 \n\ | |
| 946 @item atime\n\ | |
| 947 Time of last access in the same form as time values returned from\n\ | |
| 948 @code{time}. @xref{Timing Utilities}.\n\ | |
| 949 \n\ | |
| 950 @item mtime\n\ | |
| 951 Time of last modification in the same form as time values returned from\n\ | |
| 952 @code{time}. @xref{Timing Utilities}.\n\ | |
| 2075 | 953 \n\ |
| 3301 | 954 @item ctime\n\ |
| 955 Time of last file status change in the same form as time values\n\ | |
| 956 returned from @code{time}. @xref{Timing Utilities}.\n\ | |
| 957 \n\ | |
| 958 @item blksize\n\ | |
| 959 Size of blocks in the file.\n\ | |
| 960 \n\ | |
| 961 @item blocks\n\ | |
| 962 Number of blocks allocated for file.\n\ | |
| 963 @end table\n\ | |
| 964 \n\ | |
| 965 If the call is successful @var{err} is 0 and @var{msg} is an empty\n\ | |
| 966 string. If the file does not exist, or some other error occurs, @var{s}\n\ | |
| 967 is an empty matrix, @var{err} is @minus{}1, and @var{msg} contains the\n\ | |
| 968 corresponding system error message.\n\ | |
| 969 \n\ | |
| 970 If @var{file} is a symbolic link, @code{stat} will return information\n\ | |
| 7001 | 971 about the actual file that is referenced by the link. Use @code{lstat}\n\ |
| 3301 | 972 if you want information about the symbolic link itself.\n\ |
| 973 \n\ | |
| 974 For example,\n\ | |
| 2075 | 975 \n\ |
| 3301 | 976 @example\n\ |
| 977 [s, err, msg] = stat (\"/vmlinuz\")\n\ | |
| 978 @result{} s =\n\ | |
| 979 @{\n\ | |
| 980 atime = 855399756\n\ | |
| 981 rdev = 0\n\ | |
| 982 ctime = 847219094\n\ | |
| 983 uid = 0\n\ | |
| 984 size = 389218\n\ | |
| 985 blksize = 4096\n\ | |
| 986 mtime = 847219094\n\ | |
| 987 gid = 6\n\ | |
| 988 nlink = 1\n\ | |
| 989 blocks = 768\n\ | |
| 5476 | 990 mode = -rw-r--r--\n\ |
| 3301 | 991 modestr = -rw-r--r--\n\ |
| 992 ino = 9316\n\ | |
| 993 dev = 2049\n\ | |
| 994 @}\n\ | |
| 995 @result{} err = 0\n\ | |
| 996 @result{} msg = \n\ | |
| 997 @end example\n\ | |
| 998 @end deftypefn") | |
| 2075 | 999 { |
| 2262 | 1000 octave_value_list retval; |
| 2075 | 1001 |
| 1002 if (args.length () == 1) | |
| 1003 { | |
| 5872 | 1004 std::string fname = args(0).string_value (); |
| 2075 | 1005 |
| 1006 if (! error_state) | |
| 1007 { | |
| 1008 file_stat fs (fname); | |
| 1009 | |
| 1010 if (fs) | |
| 2262 | 1011 { |
| 3523 | 1012 retval(2) = std::string (); |
| 4294 | 1013 retval(1) = 0; |
| 2262 | 1014 retval(0) = octave_value (mk_stat_map (fs)); |
| 1015 } | |
| 1016 else | |
| 1017 { | |
| 1018 retval(2) = fs.error (); | |
| 4294 | 1019 retval(1) = -1; |
| 2262 | 1020 retval(0) = Matrix (); |
| 1021 } | |
| 2075 | 1022 } |
| 1023 } | |
| 1024 else | |
| 5823 | 1025 print_usage (); |
| 2075 | 1026 |
| 1027 return retval; | |
| 1028 } | |
| 1029 | |
| 5476 | 1030 DEFUNX ("S_ISREG", FS_ISREG, args, , |
| 1031 "-*- texinfo -*-\n\ | |
| 1032 @deftypefn {Built-in Function} {} S_ISREG (@var{mode})\n\ | |
| 1033 Return true if @var{mode} corresponds to a regular file. The value\n\ | |
| 1034 of @var{mode} is assumed to be returned from a call to @code{stat}.\n\ | |
| 1035 @seealso{stat, lstat}\n\ | |
| 1036 @end deftypefn") | |
| 1037 { | |
| 1038 octave_value retval = false; | |
| 1039 | |
| 1040 if (args.length () == 1) | |
| 1041 { | |
| 1042 double mode = args(0).double_value (); | |
| 1043 | |
| 1044 if (! error_state) | |
| 1045 retval = file_stat::is_reg (static_cast<mode_t> (mode)); | |
| 1046 else | |
| 1047 error ("S_ISREG: invalid mode value"); | |
| 1048 } | |
| 1049 else | |
| 5823 | 1050 print_usage (); |
| 5476 | 1051 |
| 1052 return retval; | |
| 1053 } | |
| 1054 | |
| 1055 DEFUNX ("S_ISDIR", FS_ISDIR, args, , | |
| 1056 "-*- texinfo -*-\n\ | |
| 1057 @deftypefn {Built-in Function} {} S_ISDIR (@var{mode})\n\ | |
| 1058 Return true if @var{mode} corresponds to a directory. The value\n\ | |
| 1059 of @var{mode} is assumed to be returned from a call to @code{stat}.\n\ | |
| 1060 @seealso{stat, lstat}\n\ | |
| 1061 @end deftypefn") | |
| 1062 { | |
| 1063 octave_value retval = false; | |
| 1064 | |
| 1065 if (args.length () == 1) | |
| 1066 { | |
| 1067 double mode = args(0).double_value (); | |
| 1068 | |
| 1069 if (! error_state) | |
| 1070 retval = file_stat::is_dir (static_cast<mode_t> (mode)); | |
| 1071 else | |
| 1072 error ("S_ISDIR: invalid mode value"); | |
| 1073 } | |
| 1074 else | |
| 5823 | 1075 print_usage (); |
| 5476 | 1076 |
| 1077 return retval; | |
| 1078 } | |
| 1079 | |
| 1080 DEFUNX ("S_ISCHR", FS_ISCHR, args, , | |
| 1081 "-*- texinfo -*-\n\ | |
| 1082 @deftypefn {Built-in Function} {} S_ISCHR (@var{mode})\n\ | |
| 1083 Return true if @var{mode} corresponds to a character devicey. The value\n\ | |
| 1084 of @var{mode} is assumed to be returned from a call to @code{stat}.\n\ | |
| 1085 @seealso{stat, lstat}\n\ | |
| 1086 @end deftypefn") | |
| 1087 { | |
| 1088 octave_value retval = false; | |
| 1089 | |
| 1090 if (args.length () == 1) | |
| 1091 { | |
| 1092 double mode = args(0).double_value (); | |
| 1093 | |
| 1094 if (! error_state) | |
| 1095 retval = file_stat::is_chr (static_cast<mode_t> (mode)); | |
| 1096 else | |
| 1097 error ("S_ISCHR: invalid mode value"); | |
| 1098 } | |
| 1099 else | |
| 5823 | 1100 print_usage (); |
| 5476 | 1101 |
| 1102 return retval; | |
| 1103 } | |
| 1104 | |
| 1105 DEFUNX ("S_ISBLK", FS_ISBLK, args, , | |
| 1106 "-*- texinfo -*-\n\ | |
| 1107 @deftypefn {Built-in Function} {} S_ISBLK (@var{mode})\n\ | |
| 1108 Return true if @var{mode} corresponds to a block device. The value\n\ | |
| 1109 of @var{mode} is assumed to be returned from a call to @code{stat}.\n\ | |
| 1110 @seealso{stat, lstat}\n\ | |
| 1111 @end deftypefn") | |
| 1112 { | |
| 1113 octave_value retval = false; | |
| 1114 | |
| 1115 if (args.length () == 1) | |
| 1116 { | |
| 1117 double mode = args(0).double_value (); | |
| 1118 | |
| 1119 if (! error_state) | |
| 1120 retval = file_stat::is_blk (static_cast<mode_t> (mode)); | |
| 1121 else | |
| 1122 error ("S_ISBLK: invalid mode value"); | |
| 1123 } | |
| 1124 else | |
| 5823 | 1125 print_usage (); |
| 5476 | 1126 |
| 1127 return retval; | |
| 1128 } | |
| 1129 | |
| 1130 DEFUNX ("S_ISFIFO", FS_ISFIFO, args, , | |
| 1131 "-*- texinfo -*-\n\ | |
| 1132 @deftypefn {Built-in Function} {} S_ISFIFO (@var{mode})\n\ | |
| 1133 Return true if @var{mode} corresponds to a fifo. The value\n\ | |
| 1134 of @var{mode} is assumed to be returned from a call to @code{stat}.\n\ | |
| 1135 @seealso{stat, lstat}\n\ | |
| 1136 @end deftypefn") | |
| 1137 { | |
| 1138 octave_value retval = false; | |
| 1139 | |
| 1140 if (args.length () == 1) | |
| 1141 { | |
| 1142 double mode = args(0).double_value (); | |
| 1143 | |
| 1144 if (! error_state) | |
| 1145 retval = file_stat::is_fifo (static_cast<mode_t> (mode)); | |
| 1146 else | |
| 1147 error ("S_ISFIFO: invalid mode value"); | |
| 1148 } | |
| 1149 else | |
| 5823 | 1150 print_usage (); |
| 5476 | 1151 |
| 1152 return retval; | |
| 1153 } | |
| 1154 | |
| 1155 DEFUNX ("S_ISLNK", FS_ISLNK, args, , | |
| 1156 "-*- texinfo -*-\n\ | |
| 1157 @deftypefn {Built-in Function} {} S_ISLNK (@var{mode})\n\ | |
| 1158 Return true if @var{mode} corresponds to a symbolic link. The value\n\ | |
| 1159 of @var{mode} is assumed to be returned from a call to @code{stat}.\n\ | |
| 1160 @seealso{stat, lstat}\n\ | |
| 1161 @end deftypefn") | |
| 1162 { | |
| 1163 octave_value retval = false; | |
| 1164 | |
| 1165 if (args.length () == 1) | |
| 1166 { | |
| 1167 double mode = args(0).double_value (); | |
| 1168 | |
| 1169 if (! error_state) | |
| 1170 retval = file_stat::is_lnk (static_cast<mode_t> (mode)); | |
| 1171 else | |
| 1172 error ("S_ISLNK: invalid mode value"); | |
| 1173 } | |
| 1174 else | |
| 5823 | 1175 print_usage (); |
| 5476 | 1176 |
| 1177 return retval; | |
| 1178 } | |
| 1179 | |
| 1180 DEFUNX ("S_ISSOCK", FS_ISSOCK, args, , | |
| 1181 "-*- texinfo -*-\n\ | |
| 1182 @deftypefn {Built-in Function} {} S_ISSOCK (@var{mode})\n\ | |
| 1183 @seealso{stat, lstat}\n\ | |
| 1184 @end deftypefn") | |
| 1185 { | |
| 1186 octave_value retval = false; | |
| 1187 | |
| 1188 if (args.length () == 1) | |
| 1189 { | |
| 1190 double mode = args(0).double_value (); | |
| 1191 | |
| 1192 if (! error_state) | |
| 1193 retval = file_stat::is_sock (static_cast<mode_t> (mode)); | |
| 1194 else | |
| 1195 error ("S_ISSOCK: invalid mode value"); | |
| 1196 } | |
| 1197 else | |
| 5823 | 1198 print_usage (); |
| 5476 | 1199 |
| 1200 return retval; | |
| 1201 } | |
| 1202 | |
| 5547 | 1203 DEFUN (uname, args, , |
| 1204 "-*- texinfo -*-\n\ | |
| 1205 @deftypefn {Built-in Function} {[@var{uts}, @var{err}, @var{msg}] =} uname ()\n\ | |
| 1206 Return system information in the structure. For example,\n\ | |
| 1207 \n\ | |
| 1208 @example\n\ | |
| 1209 @group\n\ | |
| 1210 uname ()\n\ | |
| 1211 @result{} @{\n\ | |
| 5656 | 1212 sysname = x86_64\n\ |
| 1213 nodename = segfault\n\ | |
| 1214 release = 2.6.15-1-amd64-k8-smp\n\ | |
| 1215 version = Linux\n\ | |
| 1216 machine = #2 SMP Thu Feb 23 04:57:49 UTC 2006\n\ | |
| 5547 | 1217 @}\n\ |
| 1218 @end group\n\ | |
| 1219 @end example\n\ | |
| 1220 \n\ | |
| 1221 If successful, @var{err} is 0 and @var{msg} is an empty string.\n\ | |
| 1222 Otherwise, @var{err} is nonzero and @var{msg} contains a\n\ | |
| 1223 system-dependent error message.\n\ | |
| 1224 @end deftypefn") | |
| 1225 { | |
| 1226 octave_value_list retval; | |
| 1227 | |
| 1228 if (args.length () == 0) | |
| 1229 { | |
| 1230 octave_uname sysinfo; | |
| 1231 | |
| 1232 Octave_map m; | |
| 1233 | |
| 1234 m.assign ("sysname", sysinfo.sysname ()); | |
| 1235 m.assign ("nodename", sysinfo.nodename ()); | |
| 1236 m.assign ("release", sysinfo.release ()); | |
| 1237 m.assign ("version", sysinfo.version ()); | |
| 1238 m.assign ("machine", sysinfo.machine ()); | |
| 1239 | |
| 1240 retval(2) = sysinfo.message (); | |
| 1241 retval(1) = sysinfo.error (); | |
| 1242 retval(0) = m; | |
| 1243 } | |
| 1244 else | |
| 5823 | 1245 print_usage (); |
| 5547 | 1246 |
| 1247 return retval; | |
| 1248 } | |
| 1249 | |
|
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1250 DEFUNX ("unlink", Funlink, args, , |
| 3301 | 1251 "-*- texinfo -*-\n\ |
| 1252 @deftypefn {Built-in Function} {[@var{err}, @var{msg}] =} unlink (@var{file})\n\ | |
| 1253 Delete the file named @var{file}.\n\ | |
| 2075 | 1254 \n\ |
| 3301 | 1255 If successful, @var{err} is 0 and @var{msg} is an empty string.\n\ |
| 1256 Otherwise, @var{err} is nonzero and @var{msg} contains a\n\ | |
| 1257 system-dependent error message.\n\ | |
| 1258 @end deftypefn") | |
| 2075 | 1259 { |
| 2669 | 1260 octave_value_list retval; |
| 1261 | |
| 3523 | 1262 retval(1) = std::string (); |
| 4294 | 1263 retval(0) = -1; |
| 2075 | 1264 |
| 1265 int nargin = args.length (); | |
| 1266 | |
| 1267 if (nargin == 1) | |
| 1268 { | |
| 1269 if (args(0).is_string ()) | |
| 1270 { | |
| 3523 | 1271 std::string name = args(0).string_value (); |
| 2075 | 1272 |
| 3523 | 1273 std::string msg; |
| 2669 | 1274 |
|
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1275 int status = octave_unlink (name, msg); |
| 2669 | 1276 |
| 4233 | 1277 retval(0) = status; |
| 2937 | 1278 retval(1) = msg; |
| 2075 | 1279 } |
| 1280 else | |
| 1281 error ("unlink: file name must be a string"); | |
| 1282 } | |
| 1283 else | |
| 5823 | 1284 print_usage (); |
| 2075 | 1285 |
| 1286 return retval; | |
| 1287 } | |
| 1288 | |
| 1289 DEFUN (waitpid, args, , | |
| 3301 | 1290 "-*- texinfo -*-\n\ |
| 5453 | 1291 @deftypefn {Built-in Function} {[@var{pid}, @var{status}, @var{msg}] =} waitpid (@var{pid}, @var{options})\n\ |
| 3301 | 1292 Wait for process @var{pid} to terminate. The @var{pid} argument can be:\n\ |
| 2075 | 1293 \n\ |
| 3301 | 1294 @table @asis\n\ |
| 1295 @item @minus{}1\n\ | |
| 1296 Wait for any child process.\n\ | |
| 2075 | 1297 \n\ |
| 3301 | 1298 @item 0\n\ |
| 1299 Wait for any child process whose process group ID is equal to that of\n\ | |
| 1300 the Octave interpreter process.\n\ | |
| 2075 | 1301 \n\ |
| 3301 | 1302 @item > 0\n\ |
| 1303 Wait for termination of the child process with ID @var{pid}.\n\ | |
| 1304 @end table\n\ | |
| 1305 \n\ | |
| 5453 | 1306 The @var{options} argument can be a bitwise OR of zero or more of\n\ |
| 1307 the following constants:\n\ | |
| 2075 | 1308 \n\ |
| 5453 | 1309 @table @code\n\ |
| 3301 | 1310 @item 0\n\ |
| 1311 Wait until signal is received or a child process exits (this is the\n\ | |
| 1312 default if the @var{options} argument is missing).\n\ | |
| 1313 \n\ | |
| 5453 | 1314 @item WNOHANG\n\ |
| 3301 | 1315 Do not hang if status is not immediately available.\n\ |
| 2075 | 1316 \n\ |
| 5453 | 1317 @item WUNTRACED\n\ |
| 3301 | 1318 Report the status of any child processes that are stopped, and whose\n\ |
| 1319 status has not yet been reported since they stopped.\n\ | |
| 1320 \n\ | |
|
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1321 @item WCONTINUE\n\ |
| 5453 | 1322 Return if a stopped child has been resumed by delivery of @code{SIGCONT}.\n\ |
| 1323 This value may not be meaningful on all systems.\n\ | |
| 3301 | 1324 @end table\n\ |
| 1325 \n\ | |
| 1326 If the returned value of @var{pid} is greater than 0, it is the process\n\ | |
| 1327 ID of the child process that exited. If an error occurs, @var{pid} will\n\ | |
| 1328 be less than zero and @var{msg} will contain a system-dependent error\n\ | |
| 7001 | 1329 message. The value of @var{status} contains additional system-dependent\n\ |
| 5453 | 1330 information about the subprocess that exited.\n\ |
|
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1331 @seealso{WCONTINUE, WCOREDUMP, WEXITSTATUS, WIFCONTINUED, WIFSIGNALED, WIFSTOPPED, WNOHANG, WSTOPSIG, WTERMSIG, WUNTRACED}\n\ |
| 3301 | 1332 @end deftypefn") |
| 2075 | 1333 { |
| 2669 | 1334 octave_value_list retval; |
| 1335 | |
| 5453 | 1336 retval(2) = std::string (); |
| 1337 retval(1) = 0; | |
| 4294 | 1338 retval(0) = -1; |
| 2075 | 1339 |
| 1340 int nargin = args.length (); | |
| 1341 | |
| 1342 if (nargin == 1 || nargin == 2) | |
| 1343 { | |
| 3202 | 1344 pid_t pid = args(0).int_value (true); |
| 2075 | 1345 |
| 1346 if (! error_state) | |
| 1347 { | |
| 3202 | 1348 int options = 0; |
| 2075 | 1349 |
| 3202 | 1350 if (args.length () == 2) |
| 5453 | 1351 options = args(1).int_value (true); |
| 2937 | 1352 |
| 3202 | 1353 if (! error_state) |
| 1354 { | |
| 3523 | 1355 std::string msg; |
| 2669 | 1356 |
| 5453 | 1357 int status = 0; |
| 1358 | |
| 1359 pid_t result = octave_syscalls::waitpid (pid, &status, options, msg); | |
| 3202 | 1360 |
| 5453 | 1361 retval(0) = result; |
| 1362 retval(1) = status; | |
| 1363 retval(2) = msg; | |
| 2075 | 1364 } |
| 5453 | 1365 else |
| 1366 error ("waitpid: OPTIONS must be an integer"); | |
| 2075 | 1367 } |
| 3202 | 1368 else |
| 1369 error ("waitpid: PID must be an integer value"); | |
| 2075 | 1370 } |
| 1371 else | |
| 5823 | 1372 print_usage (); |
| 2075 | 1373 |
| 1374 return retval; | |
| 1375 } | |
| 1376 | |
| 5453 | 1377 DEFUNX ("WIFEXITED", FWIFEXITED, args, , |
| 1378 "-*- texinfo -*-\n\ | |
| 1379 @deftypefn {Built-in Function} {} WIFEXITED (@var{status})\n\ | |
| 1380 Given @var{status} from a call to @code{waitpid}, return true if the\n\ | |
| 1381 child terminated normally.\n\ | |
| 1382 @seealso{waitpid, WEXITSTATUS, WIFSIGNALED, WTERMSIG, WCOREDUMP, WIFSTOPPED, WSTOPSIG, WIFCONTINUED}\n\ | |
| 5646 | 1383 @end deftypefn") |
| 5453 | 1384 { |
| 1385 octave_value retval = 0.0; | |
| 1386 | |
| 1387 #if defined (WIFEXITED) | |
| 1388 if (args.length () == 1) | |
| 1389 { | |
| 1390 int status = args(0).int_value (); | |
| 1391 | |
| 1392 if (! error_state) | |
| 1393 retval = WIFEXITED (status); | |
| 1394 else | |
| 1395 error ("WIFEXITED: expecting integer argument"); | |
| 1396 } | |
| 1397 #else | |
| 1398 warning ("WIFEXITED always returns false in this version of Octave") | |
| 1399 #endif | |
| 1400 | |
| 1401 return retval; | |
| 1402 } | |
| 1403 | |
| 1404 DEFUNX ("WEXITSTATUS", FWEXITSTATUS, args, , | |
| 1405 "-*- texinfo -*-\n\ | |
| 1406 @deftypefn {Built-in Function} {} WEXITSTATUS (@var{status})\n\ | |
| 1407 Given @var{status} from a call to @code{waitpid}, return the exit\n\ | |
| 1408 status of the child. This function should only be employed if\n\ | |
| 1409 @code{WIFEXITED} returned true.\n\ | |
| 1410 @seealso{waitpid, WIFEXITED, WIFSIGNALED, WTERMSIG, WCOREDUMP, WIFSTOPPED, WSTOPSIG, WIFCONTINUED}\n\ | |
| 1411 @end deftypefn") | |
| 1412 { | |
| 1413 octave_value retval = 0.0; | |
| 1414 | |
| 1415 #if defined (WEXITSTATUS) | |
| 1416 if (args.length () == 1) | |
| 1417 { | |
| 1418 int status = args(0).int_value (); | |
| 1419 | |
| 1420 if (! error_state) | |
| 1421 retval = WEXITSTATUS (status); | |
| 1422 else | |
| 1423 error ("WEXITSTATUS: expecting integer argument"); | |
| 1424 } | |
| 1425 #else | |
| 1426 warning ("WEXITSTATUS always returns false in this version of Octave") | |
| 1427 #endif | |
| 1428 | |
| 1429 return retval; | |
| 1430 } | |
| 1431 | |
| 1432 DEFUNX ("WIFSIGNALED", FWIFSIGNALED, args, , | |
| 1433 "-*- texinfo -*-\n\ | |
| 1434 @deftypefn {Built-in Function} {} WIFSIGNALED (@var{status})\n\ | |
| 1435 Given @var{status} from a call to @code{waitpid}, return true if the\n\ | |
| 1436 child process was terminated by a signal.\n\ | |
| 1437 @seealso{waitpid, WIFEXITED, WEXITSTATUS, WTERMSIG, WCOREDUMP, WIFSTOPPED, WSTOPSIG, WIFCONTINUED}\n\ | |
| 1438 @end deftypefn") | |
| 1439 { | |
| 1440 octave_value retval = 0.0; | |
| 1441 | |
| 1442 #if defined (WIFSIGNALED) | |
| 1443 if (args.length () == 1) | |
| 1444 { | |
| 1445 int status = args(0).int_value (); | |
| 1446 | |
| 1447 if (! error_state) | |
| 1448 retval = WIFSIGNALED (status); | |
| 1449 else | |
| 1450 error ("WIFSIGNALED: expecting integer argument"); | |
| 1451 } | |
| 1452 #else | |
| 5455 | 1453 warning ("WIFSIGNALED always returns false in this version of Octave"); |
| 5453 | 1454 #endif |
| 1455 | |
| 1456 return retval; | |
| 1457 } | |
| 1458 | |
| 1459 DEFUNX ("WTERMSIG", FWTERMSIG, args, , | |
| 1460 "-*- texinfo -*-\n\ | |
| 1461 @deftypefn {Built-in Function} {} WTERMSIG (@var{status})\n\ | |
| 1462 Given @var{status} from a call to @code{waitpid}, return the number of\n\ | |
|
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1463 the signal that caused the child process to terminate. This function\n\ |
| 5453 | 1464 should only be employed if @code{WIFSIGNALED} returned true.\n\ |
| 1465 @seealso{waitpid, WIFEXITED, WEXITSTATUS, WIFSIGNALED, WCOREDUMP, WIFSTOPPED, WSTOPSIG, WIFCONTINUED}\n\ | |
| 1466 @end deftypefn") | |
| 1467 { | |
| 1468 octave_value retval = 0.0; | |
| 1469 | |
| 1470 #if defined (WTERMSIG) | |
| 1471 if (args.length () == 1) | |
| 1472 { | |
| 1473 int status = args(0).int_value (); | |
| 1474 | |
| 1475 if (! error_state) | |
| 1476 retval = WTERMSIG (status); | |
| 1477 else | |
| 1478 error ("WTERMSIG: expecting integer argument"); | |
| 1479 } | |
| 1480 #else | |
| 5455 | 1481 warning ("WTERMSIG always returns false in this version of Octave"); |
| 5453 | 1482 #endif |
| 1483 | |
| 1484 return retval; | |
| 1485 } | |
| 1486 | |
| 1487 DEFUNX ("WCOREDUMP", FWCOREDUMP, args, , | |
| 1488 "-*- texinfo -*-\n\ | |
| 1489 @deftypefn {Built-in Function} {} WCOREDUMP (@var{status})\n\ | |
| 1490 Given @var{status} from a call to @code{waitpid}, return true if the\n\ | |
| 1491 child produced a core dump. This function should only be employed if\n\ | |
| 1492 @code{WIFSIGNALED} returned true. The macro used to implement this\n\ | |
| 1493 function is not specified in POSIX.1-2001 and is not available on some\n\ | |
| 1494 Unix implementations (e.g., AIX, SunOS).\n\ | |
| 1495 @seealso{waitpid, WIFEXITED, WEXITSTATUS, WIFSIGNALED, WTERMSIG, WIFSTOPPED, WSTOPSIG, WIFCONTINUED}\n\ | |
| 1496 @end deftypefn") | |
| 1497 { | |
| 1498 octave_value retval = 0.0; | |
| 1499 | |
| 1500 #if defined (WCOREDUMP) | |
| 1501 if (args.length () == 1) | |
| 1502 { | |
| 1503 int status = args(0).int_value (); | |
| 1504 | |
| 1505 if (! error_state) | |
| 1506 retval = WCOREDUMP (status); | |
| 1507 else | |
| 1508 error ("WCOREDUMP: expecting integer argument"); | |
| 1509 } | |
| 1510 #else | |
| 5455 | 1511 warning ("WCOREDUMP always returns false in this version of Octave"); |
| 5453 | 1512 #endif |
| 1513 | |
| 1514 return retval; | |
| 1515 } | |
| 1516 | |
| 1517 DEFUNX ("WIFSTOPPED", FWIFSTOPPED, args, , | |
| 1518 "-*- texinfo -*-\n\ | |
| 1519 @deftypefn {Built-in Function} {} WIFSTOPPED (@var{status})\n\ | |
| 1520 Given @var{status} from a call to @code{waitpid}, return true if the\n\ | |
| 1521 child process was stopped by delivery of a signal; this is only\n\ | |
| 1522 possible if the call was done using @code{WUNTRACED} or when the child\n\ | |
| 1523 is being traced (see ptrace(2)).\n\ | |
| 1524 @seealso{waitpid, WIFEXITED, WEXITSTATUS, WIFSIGNALED, WTERMSIG, WCOREDUMP, WSTOPSIG, WIFCONTINUED}\n\ | |
| 1525 @end deftypefn") | |
| 1526 { | |
| 1527 octave_value retval = 0.0; | |
| 1528 | |
| 1529 #if defined (WIFSTOPPED) | |
| 1530 if (args.length () == 1) | |
| 1531 { | |
| 1532 int status = args(0).int_value (); | |
| 1533 | |
| 1534 if (! error_state) | |
| 1535 retval = WIFSTOPPED (status); | |
| 1536 else | |
| 1537 error ("WIFSTOPPED: expecting integer argument"); | |
| 1538 } | |
| 1539 #else | |
| 5455 | 1540 warning ("WIFSTOPPED always returns false in this version of Octave"); |
| 5453 | 1541 #endif |
| 1542 | |
| 1543 return retval; | |
| 1544 } | |
| 1545 | |
| 1546 DEFUNX ("WSTOPSIG", FWSTOPSIG, args, , | |
| 1547 "-*- texinfo -*-\n\ | |
| 1548 @deftypefn {Built-in Function} {} WSTOPSIG (@var{status})\n\ | |
| 1549 Given @var{status} from a call to @code{waitpid}, return the number of\n\ | |
| 1550 the signal which caused the child to stop. This function should only\n\ | |
| 1551 be employed if @code{WIFSTOPPED} returned true.\n\ | |
| 1552 @seealso{waitpid, WIFEXITED, WEXITSTATUS, WIFSIGNALED, WTERMSIG, WCOREDUMP, WIFSTOPPED, WIFCONTINUED}\n\ | |
| 1553 @end deftypefn") | |
| 1554 { | |
| 1555 octave_value retval = 0.0; | |
| 1556 | |
| 1557 #if defined (WSTOPSIG) | |
| 1558 if (args.length () == 1) | |
| 1559 { | |
| 1560 int status = args(0).int_value (); | |
| 1561 | |
| 1562 if (! error_state) | |
| 1563 retval = WSTOPSIG (status); | |
| 1564 else | |
| 1565 error ("WSTOPSIG: expecting integer argument"); | |
| 1566 } | |
| 1567 #else | |
| 5455 | 1568 warning ("WSTOPSIG always returns false in this version of Octave"); |
| 5453 | 1569 #endif |
| 1570 | |
| 1571 return retval; | |
| 1572 } | |
| 1573 | |
| 1574 DEFUNX ("WIFCONTINUED", FWIFCONTINUED, args, , | |
| 1575 "-*- texinfo -*-\n\ | |
| 1576 @deftypefn {Built-in Function} {} WIFCONTINUED (@var{status})\n\ | |
| 1577 Given @var{status} from a call to @code{waitpid}, return true if the\n\ | |
| 1578 child process was resumed by delivery of @code{SIGCONT}.\n\ | |
| 1579 @seealso{waitpid, WIFEXITED, WEXITSTATUS, WIFSIGNALED, WTERMSIG, WCOREDUMP, WIFSTOPPED, WSTOPSIG}\n\ | |
| 1580 @end deftypefn") | |
| 1581 { | |
| 1582 octave_value retval = 0.0; | |
| 1583 | |
| 1584 #if defined (WIFCONTINUED) | |
| 1585 if (args.length () == 1) | |
| 1586 { | |
| 1587 int status = args(0).int_value (); | |
| 1588 | |
| 1589 if (! error_state) | |
| 1590 retval = WIFCONTINUED (status); | |
| 1591 else | |
| 1592 error ("WIFCONTINUED: expecting integer argument"); | |
| 1593 } | |
| 1594 #else | |
| 5455 | 1595 warning ("WIFCONTINUED always returns false in this version of Octave"); |
| 5453 | 1596 #endif |
| 1597 | |
| 1598 return retval; | |
| 1599 } | |
| 1600 | |
|
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1601 DEFUNX ("canonicalize_file_name", Fcanonicalize_file_name, args, , |
| 5138 | 1602 "-*- texinfo -*-\n\ |
| 1603 @deftypefn {Built-in Function} {[@var{cname}, @var{status}, @var{msg}]} canonicalize_file_name (@var{name})\n\ | |
| 1604 Return the canonical name of file @var{name}.\n\ | |
| 1605 @end deftypefn") | |
| 1606 { | |
| 1607 octave_value_list retval; | |
| 1608 | |
| 1609 if (args.length () == 1) | |
| 1610 { | |
| 1611 std::string name = args(0).string_value (); | |
| 1612 | |
| 1613 if (! error_state) | |
| 1614 { | |
| 1615 std::string msg; | |
| 1616 | |
|
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liboctave/file-ops.h: avoid gnulib #define for canonicalize_file_name
John W. Eaton <jwe@octave.org>
parents:
10249
diff
changeset
|
1617 std::string result = octave_canonicalize_file_name (name, msg); |
| 5138 | 1618 |
| 1619 retval(2) = msg; | |
| 1620 retval(1) = msg.empty () ? 0 : -1; | |
| 1621 retval(0) = result; | |
| 1622 } | |
| 1623 else | |
| 1624 error ("canonicalize_file_name: argument must be a character string"); | |
| 1625 } | |
| 1626 else | |
| 5823 | 1627 print_usage (); |
| 5138 | 1628 |
| 1629 return retval; | |
| 1630 } | |
| 1631 | |
| 5749 | 1632 static octave_value |
| 7924 | 1633 const_value (const octave_value_list& args, int val) |
| 5749 | 1634 { |
| 1635 octave_value retval; | |
| 1636 | |
| 1637 int nargin = args.length (); | |
| 1638 | |
| 1639 if (nargin == 0) | |
| 1640 retval = val; | |
| 1641 else | |
| 5823 | 1642 print_usage (); |
| 5749 | 1643 |
| 1644 return retval; | |
| 1645 } | |
| 1646 | |
| 2075 | 1647 #if !defined (O_NONBLOCK) && defined (O_NDELAY) |
| 1648 #define O_NONBLOCK O_NDELAY | |
| 1649 #endif | |
| 1650 | |
| 5749 | 1651 #if defined (F_DUPFD) |
| 1652 DEFUNX ("F_DUPFD", FF_DUPFD, args, , | |
| 1653 "-*- texinfo -*-\n\ | |
| 1654 @deftypefn {Built-in Function} {} F_DUPFD ()\n\ | |
| 1655 Return the value required to request that @code{fcntl} return a\n\ | |
| 1656 duplicate file descriptor.\n\ | |
| 1657 @seealso{fcntl, F_GETFD, F_GETFL, F_SETFD, F_SETFL}\n\ | |
| 1658 @end deftypefn") | |
| 2075 | 1659 { |
| 7924 | 1660 return const_value (args, F_DUPFD); |
| 5749 | 1661 } |
| 2075 | 1662 #endif |
| 1663 | |
| 1664 #if defined (F_GETFD) | |
| 5749 | 1665 DEFUNX ("F_GETFD", FF_GETFD, args, , |
| 1666 "-*- texinfo -*-\n\ | |
| 1667 @deftypefn {Built-in Function} {} F_GETFD ()\n\ | |
| 1668 Return the value required to request that @code{fcntl} to return the\n\ | |
| 1669 file descriptor flags.\n\ | |
| 5333 | 1670 @seealso{fcntl, F_DUPFD, F_GETFL, F_SETFD, F_SETFL}\n\ |
| 5749 | 1671 @end deftypefn") |
| 1672 { | |
| 7924 | 1673 return const_value (args, F_GETFD); |
| 5749 | 1674 } |
| 2075 | 1675 #endif |
| 1676 | |
| 1677 #if defined (F_GETFL) | |
| 5749 | 1678 DEFUNX ("F_GETFL", FF_GETFL, args, , |
| 1679 "-*- texinfo -*-\n\ | |
| 1680 @deftypefn {Built-in Function} {} F_GETFL ()\n\ | |
| 1681 Return the value required to request that @code{fcntl} to return the\n\ | |
| 1682 file status flags.\n\ | |
| 5333 | 1683 @seealso{fcntl, F_DUPFD, F_GETFD, F_SETFD, F_SETFL}\n\ |
| 5749 | 1684 @end deftypefn") |
| 1685 { | |
| 7924 | 1686 return const_value (args, F_GETFL); |
| 5749 | 1687 } |
| 2075 | 1688 #endif |
| 1689 | |
| 1690 #if defined (F_SETFD) | |
| 5749 | 1691 DEFUNX ("F_SETFD", FF_SETFD, args, , |
| 1692 "-*- texinfo -*-\n\ | |
| 1693 @deftypefn {Built-in Function} {} F_SETFD ()\n\ | |
| 1694 Return the value required to request that @code{fcntl} to set the file\n\ | |
| 1695 descriptor flags.\n\ | |
| 5333 | 1696 @seealso{fcntl, F_DUPFD, F_GETFD, F_GETFL, F_SETFL}\n\ |
| 5749 | 1697 @end deftypefn") |
| 1698 { | |
| 7924 | 1699 return const_value (args, F_SETFD); |
| 5749 | 1700 } |
| 2075 | 1701 #endif |
| 1702 | |
| 1703 #if defined (F_SETFL) | |
| 5749 | 1704 DEFUNX ("F_SETFL", FF_SETFL, args, , |
| 1705 "-*- texinfo -*-\n\ | |
| 1706 @deftypefn {Built-in Function} {} F_SETFL ()\n\ | |
| 1707 Return the value required to request that @code{fcntl} to set the file\n\ | |
| 1708 status flags.\n\ | |
| 5333 | 1709 @seealso{fcntl, F_DUPFD, F_GETFD, F_GETFL, F_SETFD}\n\ |
| 5749 | 1710 @end deftypefn") |
| 1711 { | |
| 7924 | 1712 return const_value (args, F_SETFL); |
| 5749 | 1713 } |
| 2075 | 1714 #endif |
| 1715 | |
| 1716 #if defined (O_APPEND) | |
| 5749 | 1717 DEFUNX ("O_APPEND", FO_APPEND, args, , |
| 1718 "-*- texinfo -*-\n\ | |
| 1719 @deftypefn {Built-in Function} {} O_APPEND ()\n\ | |
| 1720 Return the numerical value of the file status flag that may be\n\ | |
| 1721 returned by @code{fcntl} to indicate each write operation appends,\n\ | |
|
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parents:
8920
diff
changeset
|
1722 or that may be passed to @code{fcntl} to set the write mode to append.\\n\ |
| 5333 | 1723 @seealso{fcntl, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY}\n\ |
| 5749 | 1724 @end deftypefn") |
| 1725 { | |
| 7924 | 1726 return const_value (args, O_APPEND); |
| 5749 | 1727 } |
| 2075 | 1728 #endif |
| 1729 | |
| 2669 | 1730 #if defined (O_ASYNC) |
| 5749 | 1731 DEFUNX ("O_ASYNC", FO_ASYNC, args, , |
| 1732 "-*- texinfo -*-\n\ | |
| 1733 @deftypefn {Built-in Function} {} O_ASYNC ()\n\ | |
| 1734 Return the numerical value of the file status flag that may be\n\ | |
| 1735 returned by @code{fcntl} to indicate asynchronous I/O.\n\ | |
| 5333 | 1736 @seealso{fcntl, O_APPEND, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY}\n\ |
| 5749 | 1737 @end deftypefn") |
| 1738 { | |
| 7924 | 1739 return const_value (args, O_ASYNC); |
| 5749 | 1740 } |
| 2669 | 1741 #endif |
| 1742 | |
| 2075 | 1743 #if defined (O_CREAT) |
| 5749 | 1744 DEFUNX ("O_CREAT", FO_CREAT, args, , |
| 1745 "-*- texinfo -*-\n\ | |
| 1746 @deftypefn {Built-in Function} {} O_CREAT ()\n\ | |
| 1747 Return the numerical value of the file status flag that may be\n\ | |
| 1748 returned by @code{fcntl} to indicate that a file should be\n\ | |
| 1749 created if it does not exist.\n\ | |
| 5333 | 1750 @seealso{fcntl, O_APPEND, O_ASYNC, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY}\n\ |
| 5749 | 1751 @end deftypefn") |
| 1752 { | |
| 7924 | 1753 return const_value (args, O_CREAT); |
| 5749 | 1754 } |
| 2075 | 1755 #endif |
| 1756 | |
| 1757 #if defined (O_EXCL) | |
| 5749 | 1758 DEFUNX ("O_EXCL", FO_EXCL, args, , |
| 1759 "-*- texinfo -*-\n\ | |
| 1760 @deftypefn {Built-in Function} {} O_EXCL ()\n\ | |
| 1761 Return the numerical value of the file status flag that may be\n\ | |
| 1762 returned by @code{fcntl} to indicate that file locking is used.\n\ | |
| 5333 | 1763 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY}\n\ |
| 5749 | 1764 @end deftypefn") |
| 1765 { | |
| 7924 | 1766 return const_value (args, O_EXCL); |
| 5749 | 1767 } |
| 2075 | 1768 #endif |
| 1769 | |
| 1770 #if defined (O_NONBLOCK) | |
| 5749 | 1771 DEFUNX ("O_NONBLOCK", FO_NONBLOCK, args, , |
| 1772 "-*- texinfo -*-\n\ | |
| 1773 @deftypefn {Built-in Function} {} O_NONBLOCK ()\n\ | |
| 1774 Return the numerical value of the file status flag that may be\n\ | |
| 1775 returned by @code{fcntl} to indicate that non-blocking I/O is in use,\n\ | |
| 1776 or that may be passsed to @code{fcntl} to set non-blocking I/O.\n\ | |
| 5333 | 1777 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_EXCL, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY}\n\ |
| 5749 | 1778 @end deftypefn") |
| 1779 { | |
| 7924 | 1780 return const_value (args, O_NONBLOCK); |
| 5749 | 1781 } |
| 2075 | 1782 #endif |
| 1783 | |
| 1784 #if defined (O_RDONLY) | |
| 5749 | 1785 DEFUNX ("O_RDONLY", FO_RDONLY, args, , |
| 1786 "-*- texinfo -*-\n\ | |
| 1787 @deftypefn {Built-in Function} {} O_RDONLY ()\n\ | |
| 1788 Return the numerical value of the file status flag that may be\n\ | |
| 1789 returned by @code{fcntl} to indicate that a file is open for\n\ | |
| 1790 reading only.\n\ | |
| 5333 | 1791 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY}\n\ |
| 5749 | 1792 @end deftypefn") |
| 1793 { | |
| 7924 | 1794 return const_value (args, O_RDONLY); |
| 5749 | 1795 } |
| 2075 | 1796 #endif |
| 1797 | |
| 1798 #if defined (O_RDWR) | |
| 5749 | 1799 DEFUNX ("O_RDWR", FO_RDWR, args, , |
| 1800 "-*- texinfo -*-\n\ | |
| 1801 @deftypefn {Built-in Function} {} O_RDWR ()\n\ | |
| 1802 Return the numerical value of the file status flag that may be\n\ | |
| 1803 returned by @code{fcntl} to indicate that a file is open for both\n\ | |
| 1804 reading and writing.\n\ | |
| 5333 | 1805 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_SYNC, O_TRUNC, O_WRONLY}\n\ |
| 5749 | 1806 @end deftypefn") |
| 1807 { | |
| 7924 | 1808 return const_value (args, O_RDWR); |
| 5749 | 1809 } |
| 2075 | 1810 #endif |
| 1811 | |
| 2669 | 1812 #if defined (O_SYNC) |
| 5749 | 1813 DEFUNX ("O_SYNC", FO_SYNC, args, , |
| 1814 "-*- texinfo -*-\n\ | |
| 1815 @deftypefn {Built-in Function} {} O_SYNC ()\n\ | |
| 1816 Return the numerical value of the file status flag that may be\n\ | |
| 1817 returned by @code{fcntl} to indicate that a file is open for\n\ | |
| 1818 synchronous I/O.\n\ | |
| 5333 | 1819 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_TRUNC, O_WRONLY}\n\ |
| 5749 | 1820 @end deftypefn") |
| 1821 { | |
| 7924 | 1822 return const_value (args, O_SYNC); |
| 5749 | 1823 } |
| 2669 | 1824 #endif |
| 1825 | |
| 2075 | 1826 #if defined (O_TRUNC) |
| 5749 | 1827 DEFUNX ("O_TRUNC", FO_TRUNC, args, , |
| 1828 "-*- texinfo -*-\n\ | |
| 1829 @deftypefn {Built-in Variable} O_TRUNC ()\n\ | |
| 1830 Return the numerical value of the file status flag that may be\n\ | |
| 1831 returned by @code{fcntl} to indicate that if file exists, it should\n\ | |
| 1832 be truncated when writing.\n\ | |
| 5333 | 1833 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_WRONLY}\n\ |
| 5749 | 1834 @end deftypefn") |
| 1835 { | |
| 7924 | 1836 return const_value (args, O_TRUNC); |
| 5749 | 1837 } |
| 2075 | 1838 #endif |
| 1839 | |
| 1840 #if defined (O_WRONLY) | |
| 5749 | 1841 DEFUNX ("O_WRONLY", FO_WRONLY, args, , |
| 1842 "-*- texinfo -*-\n\ | |
| 1843 @deftypefn {Built-in Function} {} O_WRONLY ()\n\ | |
| 1844 Return the numerical value of the file status flag that may be\n\ | |
| 1845 returned by @code{fcntl} to indicate that a file is open for\n\ | |
| 1846 writing only.\n\ | |
| 5333 | 1847 @seealso{fcntl, O_APPEND, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC}\n\ |
| 5749 | 1848 @end deftypefn") |
| 1849 { | |
| 7924 | 1850 return const_value (args, O_WRONLY); |
| 5749 | 1851 } |
| 2075 | 1852 #endif |
| 3446 | 1853 |
| 5453 | 1854 #if !defined (WNOHANG) |
| 1855 #define WNOHANG 0 | |
| 1856 #endif | |
| 1857 | |
| 5749 | 1858 DEFUNX ("WNOHANG", FWNOHANG, args, , |
| 1859 "-*- texinfo -*-\n\ | |
| 1860 @deftypefn {Built-in Function} {} WNOHANG ()\n\ | |
| 1861 Return the numerical value of the option argument that may be\n\ | |
| 1862 passed to @code{waitpid} to indicate that it should return its\n\ | |
| 1863 status immediately instead of waiting for a process to exit.\n\ | |
| 5453 | 1864 @seealso{waitpid, WUNTRACED, WCONTINUE}\n\ |
| 5749 | 1865 @end deftypefn") |
| 1866 { | |
| 7924 | 1867 return const_value (args, WNOHANG); |
| 5749 | 1868 } |
| 5453 | 1869 |
| 1870 #if !defined (WUNTRACED) | |
| 1871 #define WUNTRACED 0 | |
| 1872 #endif | |
| 1873 | |
| 5749 | 1874 DEFUNX ("WUNTRACED", FWUNTRACED, args, , |
| 1875 "-*- texinfo -*-\n\ | |
| 1876 @deftypefn {Built-in Function} {} WUNTRACED ()\n\ | |
| 1877 Return the numerical value of the option argument that may be\n\ | |
| 1878 passed to @code{waitpid} to indicate that it should also return\n\ | |
| 1879 if the child process has stopped but is not traced via the\n\ | |
| 1880 @code{ptrace} system call\n\ | |
| 5453 | 1881 @seealso{waitpid, WNOHANG, WCONTINUE}\n\ |
| 5749 | 1882 @end deftypefn") |
| 1883 { | |
| 7924 | 1884 return const_value (args, WUNTRACED); |
| 5749 | 1885 } |
| 5453 | 1886 |
| 1887 #if !defined (WCONTINUE) | |
| 1888 #define WCONTINUE 0 | |
| 1889 #endif | |
| 1890 | |
| 5749 | 1891 DEFUNX ("WCONTINUE", FWCONTINUE, args, , |
| 1892 "-*- texinfo -*-\n\ | |
|
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Fix various incorrect usages of TeXinfo deffn and deftypefn macros
Rik <rdrider0-list@yahoo.com>
parents:
9564
diff
changeset
|
1893 @deftypefn {Built-in Function} {} WCONTINUE ()\n\ |
| 5749 | 1894 Return the numerical value of the option argument that may be\n\ |
| 1895 passed to @code{waitpid} to indicate that it should also return\n\ | |
| 1896 if a stopped child has been resumed by delivery of a @code{SIGCONT}\n\ | |
| 1897 signal.\n\ | |
| 5453 | 1898 @seealso{waitpid, WNOHANG, WUNTRACED}\n\ |
| 5749 | 1899 @end deftypefn") |
| 1900 { | |
| 7924 | 1901 return const_value (args, WCONTINUE); |
| 2075 | 1902 } |