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Commit | Line | Data |
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55d0e5e0 ZW |
1 | /* Utilities to execute a program in a subprocess (possibly linked by pipes |
2 | with other subprocesses), and wait for it. Generic Unix version | |
3 | (also used for UWIN and VMS). | |
b303ef51 | 4 | Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2009 |
55d0e5e0 ZW |
5 | Free Software Foundation, Inc. |
6 | ||
7 | This file is part of the libiberty library. | |
8 | Libiberty is free software; you can redistribute it and/or | |
9 | modify it under the terms of the GNU Library General Public | |
10 | License as published by the Free Software Foundation; either | |
11 | version 2 of the License, or (at your option) any later version. | |
12 | ||
13 | Libiberty is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Library General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Library General Public | |
19 | License along with libiberty; see the file COPYING.LIB. If not, | |
ee58dffd NC |
20 | write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, |
21 | Boston, MA 02110-1301, USA. */ | |
55d0e5e0 | 22 | |
a584cf65 ILT |
23 | #include "config.h" |
24 | #include "libiberty.h" | |
55d0e5e0 ZW |
25 | #include "pex-common.h" |
26 | ||
27 | #include <stdio.h> | |
a584cf65 | 28 | #include <signal.h> |
55d0e5e0 ZW |
29 | #include <errno.h> |
30 | #ifdef NEED_DECLARATION_ERRNO | |
31 | extern int errno; | |
32 | #endif | |
a584cf65 ILT |
33 | #ifdef HAVE_STDLIB_H |
34 | #include <stdlib.h> | |
35 | #endif | |
55d0e5e0 ZW |
36 | #ifdef HAVE_STRING_H |
37 | #include <string.h> | |
38 | #endif | |
39 | #ifdef HAVE_UNISTD_H | |
40 | #include <unistd.h> | |
41 | #endif | |
a584cf65 ILT |
42 | |
43 | #include <sys/types.h> | |
44 | ||
45 | #ifdef HAVE_FCNTL_H | |
46 | #include <fcntl.h> | |
55d0e5e0 ZW |
47 | #endif |
48 | #ifdef HAVE_SYS_WAIT_H | |
49 | #include <sys/wait.h> | |
50 | #endif | |
a584cf65 ILT |
51 | #ifdef HAVE_GETRUSAGE |
52 | #include <sys/time.h> | |
53 | #include <sys/resource.h> | |
54 | #endif | |
55 | #ifdef HAVE_SYS_STAT_H | |
56 | #include <sys/stat.h> | |
55d0e5e0 ZW |
57 | #endif |
58 | ||
a584cf65 | 59 | |
fed8129b ILT |
60 | #ifdef vfork /* Autoconf may define this to fork for us. */ |
61 | # define VFORK_STRING "fork" | |
62 | #else | |
63 | # define VFORK_STRING "vfork" | |
64 | #endif | |
65 | #ifdef HAVE_VFORK_H | |
66 | #include <vfork.h> | |
67 | #endif | |
b303ef51 DR |
68 | #if defined(VMS) && defined (__LONG_POINTERS) |
69 | #ifndef __CHAR_PTR32 | |
70 | typedef char * __char_ptr32 | |
71 | __attribute__ ((mode (SI))); | |
72 | #endif | |
73 | ||
74 | typedef __char_ptr32 *__char_ptr_char_ptr32 | |
75 | __attribute__ ((mode (SI))); | |
76 | ||
77 | /* Return a 32 bit pointer to an array of 32 bit pointers | |
78 | given a 64 bit pointer to an array of 64 bit pointers. */ | |
79 | ||
80 | static __char_ptr_char_ptr32 | |
81 | to_ptr32 (char **ptr64) | |
82 | { | |
83 | int argc; | |
84 | __char_ptr_char_ptr32 short_argv; | |
85 | ||
86 | for (argc=0; ptr64[argc]; argc++); | |
fed8129b | 87 | |
b303ef51 DR |
88 | /* Reallocate argv with 32 bit pointers. */ |
89 | short_argv = (__char_ptr_char_ptr32) decc$malloc | |
90 | (sizeof (__char_ptr32) * (argc + 1)); | |
91 | ||
92 | for (argc=0; ptr64[argc]; argc++) | |
93 | short_argv[argc] = (__char_ptr32) decc$strdup (ptr64[argc]); | |
94 | ||
95 | short_argv[argc] = (__char_ptr32) 0; | |
96 | return short_argv; | |
97 | ||
98 | } | |
99 | #else | |
100 | #define to_ptr32(argv) argv | |
101 | #endif | |
55d0e5e0 | 102 | |
a584cf65 ILT |
103 | /* File mode to use for private and world-readable files. */ |
104 | ||
105 | #if defined (S_IRUSR) && defined (S_IWUSR) && defined (S_IRGRP) && defined (S_IWGRP) && defined (S_IROTH) && defined (S_IWOTH) | |
106 | #define PUBLIC_MODE \ | |
107 | (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) | |
108 | #else | |
109 | #define PUBLIC_MODE 0666 | |
110 | #endif | |
111 | ||
112 | /* Get the exit status of a particular process, and optionally get the | |
113 | time that it took. This is simple if we have wait4, slightly | |
114 | harder if we have waitpid, and is a pain if we only have wait. */ | |
115 | ||
116 | static pid_t pex_wait (struct pex_obj *, pid_t, int *, struct pex_time *); | |
117 | ||
118 | #ifdef HAVE_WAIT4 | |
119 | ||
120 | static pid_t | |
121 | pex_wait (struct pex_obj *obj ATTRIBUTE_UNUSED, pid_t pid, int *status, | |
122 | struct pex_time *time) | |
123 | { | |
124 | pid_t ret; | |
125 | struct rusage r; | |
126 | ||
127 | #ifdef HAVE_WAITPID | |
128 | if (time == NULL) | |
129 | return waitpid (pid, status, 0); | |
130 | #endif | |
131 | ||
132 | ret = wait4 (pid, status, 0, &r); | |
133 | ||
134 | if (time != NULL) | |
135 | { | |
136 | time->user_seconds = r.ru_utime.tv_sec; | |
137 | time->user_microseconds= r.ru_utime.tv_usec; | |
138 | time->system_seconds = r.ru_stime.tv_sec; | |
139 | time->system_microseconds= r.ru_stime.tv_usec; | |
140 | } | |
141 | ||
142 | return ret; | |
143 | } | |
144 | ||
145 | #else /* ! defined (HAVE_WAIT4) */ | |
146 | ||
147 | #ifdef HAVE_WAITPID | |
148 | ||
149 | #ifndef HAVE_GETRUSAGE | |
150 | ||
151 | static pid_t | |
152 | pex_wait (struct pex_obj *obj ATTRIBUTE_UNUSED, pid_t pid, int *status, | |
153 | struct pex_time *time) | |
154 | { | |
155 | if (time != NULL) | |
156 | memset (time, 0, sizeof (struct pex_time)); | |
157 | return waitpid (pid, status, 0); | |
158 | } | |
159 | ||
160 | #else /* defined (HAVE_GETRUSAGE) */ | |
161 | ||
162 | static pid_t | |
163 | pex_wait (struct pex_obj *obj ATTRIBUTE_UNUSED, pid_t pid, int *status, | |
164 | struct pex_time *time) | |
165 | { | |
166 | struct rusage r1, r2; | |
167 | pid_t ret; | |
168 | ||
169 | if (time == NULL) | |
170 | return waitpid (pid, status, 0); | |
171 | ||
172 | getrusage (RUSAGE_CHILDREN, &r1); | |
173 | ||
174 | ret = waitpid (pid, status, 0); | |
175 | if (ret < 0) | |
176 | return ret; | |
177 | ||
178 | getrusage (RUSAGE_CHILDREN, &r2); | |
179 | ||
180 | time->user_seconds = r2.ru_utime.tv_sec - r1.ru_utime.tv_sec; | |
181 | time->user_microseconds = r2.ru_utime.tv_usec - r1.ru_utime.tv_usec; | |
182 | if (r2.ru_utime.tv_usec < r1.ru_utime.tv_usec) | |
183 | { | |
184 | --time->user_seconds; | |
185 | time->user_microseconds += 1000000; | |
186 | } | |
187 | ||
188 | time->system_seconds = r2.ru_stime.tv_sec - r1.ru_stime.tv_sec; | |
189 | time->system_microseconds = r2.ru_stime.tv_usec - r1.ru_stime.tv_usec; | |
190 | if (r2.ru_stime.tv_usec < r1.ru_stime.tv_usec) | |
191 | { | |
192 | --time->system_seconds; | |
193 | time->system_microseconds += 1000000; | |
194 | } | |
fed8129b | 195 | |
a584cf65 ILT |
196 | return ret; |
197 | } | |
55d0e5e0 | 198 | |
a584cf65 | 199 | #endif /* defined (HAVE_GETRUSAGE) */ |
55d0e5e0 | 200 | |
a584cf65 ILT |
201 | #else /* ! defined (HAVE_WAITPID) */ |
202 | ||
203 | struct status_list | |
204 | { | |
205 | struct status_list *next; | |
206 | pid_t pid; | |
207 | int status; | |
208 | struct pex_time time; | |
209 | }; | |
210 | ||
211 | static pid_t | |
212 | pex_wait (struct pex_obj *obj, pid_t pid, int *status, struct pex_time *time) | |
213 | { | |
214 | struct status_list **pp; | |
215 | ||
216 | for (pp = (struct status_list **) &obj->sysdep; | |
217 | *pp != NULL; | |
218 | pp = &(*pp)->next) | |
55d0e5e0 | 219 | { |
a584cf65 | 220 | if ((*pp)->pid == pid) |
55d0e5e0 | 221 | { |
a584cf65 ILT |
222 | struct status_list *p; |
223 | ||
224 | p = *pp; | |
225 | *status = p->status; | |
226 | if (time != NULL) | |
227 | *time = p->time; | |
228 | *pp = p->next; | |
229 | free (p); | |
230 | return pid; | |
55d0e5e0 | 231 | } |
55d0e5e0 | 232 | } |
a584cf65 ILT |
233 | |
234 | while (1) | |
55d0e5e0 | 235 | { |
a584cf65 ILT |
236 | pid_t cpid; |
237 | struct status_list *psl; | |
238 | struct pex_time pt; | |
239 | #ifdef HAVE_GETRUSAGE | |
240 | struct rusage r1, r2; | |
241 | #endif | |
242 | ||
243 | if (time != NULL) | |
244 | { | |
245 | #ifdef HAVE_GETRUSAGE | |
246 | getrusage (RUSAGE_CHILDREN, &r1); | |
247 | #else | |
248 | memset (&pt, 0, sizeof (struct pex_time)); | |
249 | #endif | |
250 | } | |
251 | ||
252 | cpid = wait (status); | |
253 | ||
254 | #ifdef HAVE_GETRUSAGE | |
255 | if (time != NULL && cpid >= 0) | |
256 | { | |
257 | getrusage (RUSAGE_CHILDREN, &r2); | |
258 | ||
259 | pt.user_seconds = r2.ru_utime.tv_sec - r1.ru_utime.tv_sec; | |
260 | pt.user_microseconds = r2.ru_utime.tv_usec - r1.ru_utime.tv_usec; | |
261 | if (pt.user_microseconds < 0) | |
262 | { | |
263 | --pt.user_seconds; | |
264 | pt.user_microseconds += 1000000; | |
265 | } | |
266 | ||
267 | pt.system_seconds = r2.ru_stime.tv_sec - r1.ru_stime.tv_sec; | |
268 | pt.system_microseconds = r2.ru_stime.tv_usec - r1.ru_stime.tv_usec; | |
269 | if (pt.system_microseconds < 0) | |
270 | { | |
271 | --pt.system_seconds; | |
272 | pt.system_microseconds += 1000000; | |
273 | } | |
274 | } | |
275 | #endif | |
276 | ||
277 | if (cpid < 0 || cpid == pid) | |
278 | { | |
279 | if (time != NULL) | |
280 | *time = pt; | |
281 | return cpid; | |
282 | } | |
283 | ||
d7cf8390 | 284 | psl = XNEW (struct status_list); |
a584cf65 ILT |
285 | psl->pid = cpid; |
286 | psl->status = *status; | |
287 | if (time != NULL) | |
288 | psl->time = pt; | |
289 | psl->next = (struct status_list *) obj->sysdep; | |
290 | obj->sysdep = (void *) psl; | |
55d0e5e0 | 291 | } |
a584cf65 ILT |
292 | } |
293 | ||
294 | #endif /* ! defined (HAVE_WAITPID) */ | |
295 | #endif /* ! defined (HAVE_WAIT4) */ | |
296 | ||
297 | static void pex_child_error (struct pex_obj *, const char *, const char *, int) | |
298 | ATTRIBUTE_NORETURN; | |
299 | static int pex_unix_open_read (struct pex_obj *, const char *, int); | |
300 | static int pex_unix_open_write (struct pex_obj *, const char *, int); | |
1651030c | 301 | static pid_t pex_unix_exec_child (struct pex_obj *, int, const char *, |
ea60341e | 302 | char * const *, char * const *, |
5317e1c7 ILT |
303 | int, int, int, int, |
304 | const char **, int *); | |
a584cf65 | 305 | static int pex_unix_close (struct pex_obj *, int); |
1651030c | 306 | static int pex_unix_wait (struct pex_obj *, pid_t, int *, struct pex_time *, |
a584cf65 ILT |
307 | int, const char **, int *); |
308 | static int pex_unix_pipe (struct pex_obj *, int *, int); | |
309 | static FILE *pex_unix_fdopenr (struct pex_obj *, int, int); | |
8eff378c | 310 | static FILE *pex_unix_fdopenw (struct pex_obj *, int, int); |
a584cf65 ILT |
311 | static void pex_unix_cleanup (struct pex_obj *); |
312 | ||
313 | /* The list of functions we pass to the common routines. */ | |
314 | ||
315 | const struct pex_funcs funcs = | |
316 | { | |
317 | pex_unix_open_read, | |
318 | pex_unix_open_write, | |
319 | pex_unix_exec_child, | |
320 | pex_unix_close, | |
321 | pex_unix_wait, | |
322 | pex_unix_pipe, | |
323 | pex_unix_fdopenr, | |
8eff378c | 324 | pex_unix_fdopenw, |
a584cf65 ILT |
325 | pex_unix_cleanup |
326 | }; | |
327 | ||
328 | /* Return a newly initialized pex_obj structure. */ | |
329 | ||
330 | struct pex_obj * | |
331 | pex_init (int flags, const char *pname, const char *tempbase) | |
332 | { | |
333 | return pex_init_common (flags, pname, tempbase, &funcs); | |
334 | } | |
335 | ||
336 | /* Open a file for reading. */ | |
337 | ||
338 | static int | |
339 | pex_unix_open_read (struct pex_obj *obj ATTRIBUTE_UNUSED, const char *name, | |
340 | int binary ATTRIBUTE_UNUSED) | |
341 | { | |
342 | return open (name, O_RDONLY); | |
343 | } | |
344 | ||
345 | /* Open a file for writing. */ | |
346 | ||
347 | static int | |
348 | pex_unix_open_write (struct pex_obj *obj ATTRIBUTE_UNUSED, const char *name, | |
349 | int binary ATTRIBUTE_UNUSED) | |
350 | { | |
351 | /* Note that we can't use O_EXCL here because gcc may have already | |
352 | created the temporary file via make_temp_file. */ | |
353 | return open (name, O_WRONLY | O_CREAT | O_TRUNC, PUBLIC_MODE); | |
354 | } | |
55d0e5e0 | 355 | |
a584cf65 ILT |
356 | /* Close a file. */ |
357 | ||
358 | static int | |
359 | pex_unix_close (struct pex_obj *obj ATTRIBUTE_UNUSED, int fd) | |
360 | { | |
361 | return close (fd); | |
362 | } | |
363 | ||
364 | /* Report an error from a child process. We don't use stdio routines, | |
365 | because we might be here due to a vfork call. */ | |
366 | ||
367 | static void | |
368 | pex_child_error (struct pex_obj *obj, const char *executable, | |
369 | const char *errmsg, int err) | |
370 | { | |
5120dc38 BE |
371 | int retval = 0; |
372 | #define writeerr(s) retval |= (write (STDERR_FILE_NO, s, strlen (s)) < 0) | |
a584cf65 ILT |
373 | writeerr (obj->pname); |
374 | writeerr (": error trying to exec '"); | |
375 | writeerr (executable); | |
376 | writeerr ("': "); | |
377 | writeerr (errmsg); | |
378 | writeerr (": "); | |
379 | writeerr (xstrerror (err)); | |
380 | writeerr ("\n"); | |
c22c44ba | 381 | #undef writeerr |
5120dc38 BE |
382 | /* Exit with -2 if the error output failed, too. */ |
383 | _exit (retval == 0 ? -1 : -2); | |
a584cf65 ILT |
384 | } |
385 | ||
386 | /* Execute a child. */ | |
387 | ||
ea60341e MS |
388 | extern char **environ; |
389 | ||
1651030c | 390 | static pid_t |
a584cf65 | 391 | pex_unix_exec_child (struct pex_obj *obj, int flags, const char *executable, |
ea60341e MS |
392 | char * const * argv, char * const * env, |
393 | int in, int out, int errdes, | |
5317e1c7 | 394 | int toclose, const char **errmsg, int *err) |
a584cf65 ILT |
395 | { |
396 | pid_t pid; | |
ea60341e | 397 | |
a584cf65 ILT |
398 | /* We declare these to be volatile to avoid warnings from gcc about |
399 | them being clobbered by vfork. */ | |
400 | volatile int sleep_interval; | |
401 | volatile int retries; | |
fed8129b | 402 | |
55d0e5e0 ZW |
403 | sleep_interval = 1; |
404 | pid = -1; | |
a584cf65 | 405 | for (retries = 0; retries < 4; ++retries) |
55d0e5e0 | 406 | { |
fed8129b | 407 | pid = vfork (); |
55d0e5e0 ZW |
408 | if (pid >= 0) |
409 | break; | |
410 | sleep (sleep_interval); | |
411 | sleep_interval *= 2; | |
412 | } | |
413 | ||
414 | switch (pid) | |
415 | { | |
416 | case -1: | |
a584cf65 ILT |
417 | *err = errno; |
418 | *errmsg = VFORK_STRING; | |
1651030c | 419 | return (pid_t) -1; |
55d0e5e0 | 420 | |
a584cf65 ILT |
421 | case 0: |
422 | /* Child process. */ | |
423 | if (in != STDIN_FILE_NO) | |
55d0e5e0 | 424 | { |
a584cf65 ILT |
425 | if (dup2 (in, STDIN_FILE_NO) < 0) |
426 | pex_child_error (obj, executable, "dup2", errno); | |
427 | if (close (in) < 0) | |
428 | pex_child_error (obj, executable, "close", errno); | |
55d0e5e0 | 429 | } |
a584cf65 | 430 | if (out != STDOUT_FILE_NO) |
55d0e5e0 | 431 | { |
a584cf65 ILT |
432 | if (dup2 (out, STDOUT_FILE_NO) < 0) |
433 | pex_child_error (obj, executable, "dup2", errno); | |
434 | if (close (out) < 0) | |
435 | pex_child_error (obj, executable, "close", errno); | |
436 | } | |
437 | if (errdes != STDERR_FILE_NO) | |
438 | { | |
439 | if (dup2 (errdes, STDERR_FILE_NO) < 0) | |
440 | pex_child_error (obj, executable, "dup2", errno); | |
441 | if (close (errdes) < 0) | |
442 | pex_child_error (obj, executable, "close", errno); | |
443 | } | |
5317e1c7 ILT |
444 | if (toclose >= 0) |
445 | { | |
446 | if (close (toclose) < 0) | |
447 | pex_child_error (obj, executable, "close", errno); | |
448 | } | |
a584cf65 ILT |
449 | if ((flags & PEX_STDERR_TO_STDOUT) != 0) |
450 | { | |
451 | if (dup2 (STDOUT_FILE_NO, STDERR_FILE_NO) < 0) | |
452 | pex_child_error (obj, executable, "dup2", errno); | |
453 | } | |
ea60341e MS |
454 | |
455 | if (env) | |
239559e7 | 456 | environ = (char**) env; |
ea60341e | 457 | |
a584cf65 ILT |
458 | if ((flags & PEX_SEARCH) != 0) |
459 | { | |
b303ef51 | 460 | execvp (executable, to_ptr32 (argv)); |
a584cf65 | 461 | pex_child_error (obj, executable, "execvp", errno); |
55d0e5e0 | 462 | } |
fed8129b | 463 | else |
a584cf65 | 464 | { |
b303ef51 | 465 | execv (executable, to_ptr32 (argv)); |
a584cf65 ILT |
466 | pex_child_error (obj, executable, "execv", errno); |
467 | } | |
fed8129b | 468 | |
55d0e5e0 | 469 | /* NOTREACHED */ |
1651030c | 470 | return (pid_t) -1; |
55d0e5e0 ZW |
471 | |
472 | default: | |
a584cf65 ILT |
473 | /* Parent process. */ |
474 | if (in != STDIN_FILE_NO) | |
475 | { | |
476 | if (close (in) < 0) | |
477 | { | |
478 | *err = errno; | |
479 | *errmsg = "close"; | |
1651030c | 480 | return (pid_t) -1; |
a584cf65 ILT |
481 | } |
482 | } | |
483 | if (out != STDOUT_FILE_NO) | |
484 | { | |
485 | if (close (out) < 0) | |
486 | { | |
487 | *err = errno; | |
488 | *errmsg = "close"; | |
1651030c | 489 | return (pid_t) -1; |
a584cf65 ILT |
490 | } |
491 | } | |
492 | if (errdes != STDERR_FILE_NO) | |
493 | { | |
494 | if (close (errdes) < 0) | |
495 | { | |
496 | *err = errno; | |
497 | *errmsg = "close"; | |
1651030c | 498 | return (pid_t) -1; |
a584cf65 ILT |
499 | } |
500 | } | |
501 | ||
1651030c | 502 | return pid; |
55d0e5e0 ZW |
503 | } |
504 | } | |
505 | ||
a584cf65 ILT |
506 | /* Wait for a child process to complete. */ |
507 | ||
508 | static int | |
1651030c | 509 | pex_unix_wait (struct pex_obj *obj, pid_t pid, int *status, |
a584cf65 ILT |
510 | struct pex_time *time, int done, const char **errmsg, |
511 | int *err) | |
55d0e5e0 | 512 | { |
a584cf65 ILT |
513 | /* If we are cleaning up when the caller didn't retrieve process |
514 | status for some reason, encourage the process to go away. */ | |
515 | if (done) | |
516 | kill (pid, SIGTERM); | |
517 | ||
518 | if (pex_wait (obj, pid, status, time) < 0) | |
519 | { | |
520 | *err = errno; | |
521 | *errmsg = "wait"; | |
522 | return -1; | |
523 | } | |
524 | ||
525 | return 0; | |
526 | } | |
527 | ||
528 | /* Create a pipe. */ | |
529 | ||
530 | static int | |
531 | pex_unix_pipe (struct pex_obj *obj ATTRIBUTE_UNUSED, int *p, | |
532 | int binary ATTRIBUTE_UNUSED) | |
533 | { | |
534 | return pipe (p); | |
535 | } | |
536 | ||
537 | /* Get a FILE pointer to read from a file descriptor. */ | |
538 | ||
539 | static FILE * | |
540 | pex_unix_fdopenr (struct pex_obj *obj ATTRIBUTE_UNUSED, int fd, | |
541 | int binary ATTRIBUTE_UNUSED) | |
542 | { | |
543 | return fdopen (fd, "r"); | |
544 | } | |
545 | ||
8eff378c JB |
546 | static FILE * |
547 | pex_unix_fdopenw (struct pex_obj *obj ATTRIBUTE_UNUSED, int fd, | |
548 | int binary ATTRIBUTE_UNUSED) | |
549 | { | |
550 | if (fcntl (fd, F_SETFD, FD_CLOEXEC) < 0) | |
551 | return NULL; | |
552 | return fdopen (fd, "w"); | |
553 | } | |
554 | ||
a584cf65 ILT |
555 | static void |
556 | pex_unix_cleanup (struct pex_obj *obj ATTRIBUTE_UNUSED) | |
557 | { | |
558 | #if !defined (HAVE_WAIT4) && !defined (HAVE_WAITPID) | |
559 | while (obj->sysdep != NULL) | |
560 | { | |
561 | struct status_list *this; | |
562 | struct status_list *next; | |
563 | ||
564 | this = (struct status_list *) obj->sysdep; | |
565 | next = this->next; | |
566 | free (this); | |
567 | obj->sysdep = (void *) next; | |
568 | } | |
569 | #endif | |
55d0e5e0 | 570 | } |