1/*
2 * Copyright (c) 2003 Craig Rodrigues <rodrigc@attbi.com>.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Craig Rodrigues.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY CRAIG RODRIGUES AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 */
33
34/*
35 * Copyright (c) 1998 Daniel Eischen <eischen@vigrid.com>.
36 * Copyright (C) 2001 Jason Evans <jasone@freebsd.org>.
37 * Copyright (c) 2002,2003 Alexey Zelkin <phantom@FreeBSD.org>
38 * All rights reserved.
39 *
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
42 * are met:
43 * 1. Redistributions of source code must retain the above copyright
44 * notice(s), this list of conditions and the following disclaimer
45 * unmodified other than the allowable addition of one or more
46 * copyright notices.
47 * 2. Redistributions in binary form must reproduce the above copyright
48 * notice(s), this list of conditions and the following disclaimer in
49 * the documentation and/or other materials provided with the
50 * distribution.
51 *
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
53 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
55 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE
56 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
57 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
58 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
59 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
60 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
61 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
62 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
63 */
64
65/*
66 * Copyright (c) 1996 John Birrell <jb@cimlogic.com.au>.
67 * All rights reserved.
68 *
69 * Redistribution and use in source and binary forms, with or without
70 * modification, are permitted provided that the following conditions
71 * are met:
72 * 1. Redistributions of source code must retain the above copyright
73 * notice, this list of conditions and the following disclaimer.
74 * 2. Redistributions in binary form must reproduce the above copyright
75 * notice, this list of conditions and the following disclaimer in the
76 * documentation and/or other materials provided with the distribution.
77 * 3. Neither the name of the author nor the names of any co-contributors
78 * may be used to endorse or promote products derived from this software
79 * without specific prior written permission.
80 *
81 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
82 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
83 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
84 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
85 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
86 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
87 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
88 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
89 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
90 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
91 * SUCH DAMAGE.
92 *
| 1/*
2 * Copyright (c) 2003 Craig Rodrigues <rodrigc@attbi.com>.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Craig Rodrigues.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY CRAIG RODRIGUES AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 */
33
34/*
35 * Copyright (c) 1998 Daniel Eischen <eischen@vigrid.com>.
36 * Copyright (C) 2001 Jason Evans <jasone@freebsd.org>.
37 * Copyright (c) 2002,2003 Alexey Zelkin <phantom@FreeBSD.org>
38 * All rights reserved.
39 *
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
42 * are met:
43 * 1. Redistributions of source code must retain the above copyright
44 * notice(s), this list of conditions and the following disclaimer
45 * unmodified other than the allowable addition of one or more
46 * copyright notices.
47 * 2. Redistributions in binary form must reproduce the above copyright
48 * notice(s), this list of conditions and the following disclaimer in
49 * the documentation and/or other materials provided with the
50 * distribution.
51 *
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
53 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
55 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE
56 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
57 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
58 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
59 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
60 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
61 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
62 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
63 */
64
65/*
66 * Copyright (c) 1996 John Birrell <jb@cimlogic.com.au>.
67 * All rights reserved.
68 *
69 * Redistribution and use in source and binary forms, with or without
70 * modification, are permitted provided that the following conditions
71 * are met:
72 * 1. Redistributions of source code must retain the above copyright
73 * notice, this list of conditions and the following disclaimer.
74 * 2. Redistributions in binary form must reproduce the above copyright
75 * notice, this list of conditions and the following disclaimer in the
76 * documentation and/or other materials provided with the distribution.
77 * 3. Neither the name of the author nor the names of any co-contributors
78 * may be used to endorse or promote products derived from this software
79 * without specific prior written permission.
80 *
81 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
82 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
83 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
84 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
85 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
86 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
87 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
88 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
89 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
90 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
91 * SUCH DAMAGE.
92 *
|
93 * $FreeBSD: head/lib/libthr/thread/thr_attr.c 178446 2008-04-23 21:06:51Z delphij $
| 93 * $FreeBSD: head/lib/libthr/thread/thr_attr.c 212536 2010-09-13 07:03:01Z davidxu $
|
94 */
95
96#include "namespace.h"
97#include <errno.h>
98#include <pthread.h>
99#include <stdlib.h>
100#include <string.h>
101#include <pthread_np.h>
102#include <sys/sysctl.h>
103#include "un-namespace.h"
104
105#include "thr_private.h"
106
107__weak_reference(_pthread_attr_destroy, pthread_attr_destroy);
108
109int
110_pthread_attr_destroy(pthread_attr_t *attr)
111{
112 int ret;
113
114 /* Check for invalid arguments: */
115 if (attr == NULL || *attr == NULL)
116 /* Invalid argument: */
117 ret = EINVAL;
118 else {
119 /* Free the memory allocated to the attribute object: */
120 free(*attr);
121
122 /*
123 * Leave the attribute pointer NULL now that the memory
124 * has been freed:
125 */
126 *attr = NULL;
127 ret = 0;
128 }
129 return(ret);
130}
131
132__weak_reference(_pthread_attr_get_np, pthread_attr_get_np);
133
134int
| 94 */
95
96#include "namespace.h"
97#include <errno.h>
98#include <pthread.h>
99#include <stdlib.h>
100#include <string.h>
101#include <pthread_np.h>
102#include <sys/sysctl.h>
103#include "un-namespace.h"
104
105#include "thr_private.h"
106
107__weak_reference(_pthread_attr_destroy, pthread_attr_destroy);
108
109int
110_pthread_attr_destroy(pthread_attr_t *attr)
111{
112 int ret;
113
114 /* Check for invalid arguments: */
115 if (attr == NULL || *attr == NULL)
116 /* Invalid argument: */
117 ret = EINVAL;
118 else {
119 /* Free the memory allocated to the attribute object: */
120 free(*attr);
121
122 /*
123 * Leave the attribute pointer NULL now that the memory
124 * has been freed:
125 */
126 *attr = NULL;
127 ret = 0;
128 }
129 return(ret);
130}
131
132__weak_reference(_pthread_attr_get_np, pthread_attr_get_np);
133
134int
|
135_pthread_attr_get_np(pthread_t pid, pthread_attr_t *dst)
| 135_pthread_attr_get_np(pthread_t pthread, pthread_attr_t *dst)
|
136{
137 struct pthread *curthread;
138 struct pthread_attr attr;
139 int ret;
140
| 136{
137 struct pthread *curthread;
138 struct pthread_attr attr;
139 int ret;
140
|
141 if (pid == NULL || dst == NULL || *dst == NULL)
| 141 if (pthread == NULL || dst == NULL || *dst == NULL)
|
142 return (EINVAL);
143
144 curthread = _get_curthread();
| 142 return (EINVAL);
143
144 curthread = _get_curthread();
|
145 if ((ret = _thr_ref_add(curthread, pid, /*include dead*/0)) != 0)
| 145 if ((ret = _thr_find_thread(curthread, pthread, /*include dead*/0)) != 0)
|
146 return (ret);
| 146 return (ret);
|
147 attr = pid->attr;
148 if (pid->tlflags & TLFLAGS_DETACHED)
| 147 attr = pthread->attr;
148 if (pthread->flags & THR_FLAGS_DETACHED)
|
149 attr.flags |= PTHREAD_DETACHED;
| 149 attr.flags |= PTHREAD_DETACHED;
|
150 _thr_ref_delete(curthread, pid);
| 150 THR_THREAD_UNLOCK(curthread, pthread);
151
|
151 memcpy(*dst, &attr, sizeof(struct pthread_attr));
152 /* XXX */
153 (*dst)->cpuset = NULL;
154 (*dst)->cpusetsize = 0;
155 return (0);
156}
157
158__weak_reference(_pthread_attr_getdetachstate, pthread_attr_getdetachstate);
159
160int
161_pthread_attr_getdetachstate(const pthread_attr_t *attr, int *detachstate)
162{
163 int ret;
164
165 /* Check for invalid arguments: */
166 if (attr == NULL || *attr == NULL || detachstate == NULL)
167 ret = EINVAL;
168 else {
169 /* Check if the detached flag is set: */
170 if ((*attr)->flags & PTHREAD_DETACHED)
171 /* Return detached: */
172 *detachstate = PTHREAD_CREATE_DETACHED;
173 else
174 /* Return joinable: */
175 *detachstate = PTHREAD_CREATE_JOINABLE;
176 ret = 0;
177 }
178 return(ret);
179}
180
181__weak_reference(_pthread_attr_getguardsize, pthread_attr_getguardsize);
182
183int
184_pthread_attr_getguardsize(const pthread_attr_t *attr, size_t *guardsize)
185{
186 int ret;
187
188 /* Check for invalid arguments: */
189 if (attr == NULL || *attr == NULL || guardsize == NULL)
190 ret = EINVAL;
191 else {
192 /* Return the guard size: */
193 *guardsize = (*attr)->guardsize_attr;
194 ret = 0;
195 }
196 return(ret);
197}
198
199__weak_reference(_pthread_attr_getinheritsched, pthread_attr_getinheritsched);
200
201int
202_pthread_attr_getinheritsched(const pthread_attr_t *attr, int *sched_inherit)
203{
204 int ret = 0;
205
206 if ((attr == NULL) || (*attr == NULL))
207 ret = EINVAL;
208 else
209 *sched_inherit = (*attr)->sched_inherit;
210
211 return(ret);
212}
213
214__weak_reference(_pthread_attr_getschedparam, pthread_attr_getschedparam);
215
216int
217_pthread_attr_getschedparam(const pthread_attr_t *attr, struct sched_param *param)
218{
219 int ret = 0;
220
221 if ((attr == NULL) || (*attr == NULL) || (param == NULL))
222 ret = EINVAL;
223 else
224 param->sched_priority = (*attr)->prio;
225
226 return(ret);
227}
228
229__weak_reference(_pthread_attr_getschedpolicy, pthread_attr_getschedpolicy);
230
231int
232_pthread_attr_getschedpolicy(const pthread_attr_t *attr, int *policy)
233{
234 int ret = 0;
235
236 if ((attr == NULL) || (*attr == NULL) || (policy == NULL))
237 ret = EINVAL;
238 else
239 *policy = (*attr)->sched_policy;
240
241 return(ret);
242}
243
244__weak_reference(_pthread_attr_getscope, pthread_attr_getscope);
245
246int
247_pthread_attr_getscope(const pthread_attr_t *attr, int *contentionscope)
248{
249 int ret = 0;
250
251 if ((attr == NULL) || (*attr == NULL) || (contentionscope == NULL))
252 /* Return an invalid argument: */
253 ret = EINVAL;
254
255 else
256 *contentionscope = (*attr)->flags & PTHREAD_SCOPE_SYSTEM ?
257 PTHREAD_SCOPE_SYSTEM : PTHREAD_SCOPE_PROCESS;
258
259 return(ret);
260}
261
262__weak_reference(_pthread_attr_getstack, pthread_attr_getstack);
263
264int
265_pthread_attr_getstack(const pthread_attr_t * __restrict attr,
266 void ** __restrict stackaddr,
267 size_t * __restrict stacksize)
268{
269 int ret;
270
271 /* Check for invalid arguments: */
272 if (attr == NULL || *attr == NULL || stackaddr == NULL
273 || stacksize == NULL )
274 ret = EINVAL;
275 else {
276 /* Return the stack address and size */
277 *stackaddr = (*attr)->stackaddr_attr;
278 *stacksize = (*attr)->stacksize_attr;
279 ret = 0;
280 }
281 return(ret);
282}
283
284__weak_reference(_pthread_attr_getstackaddr, pthread_attr_getstackaddr);
285
286int
287_pthread_attr_getstackaddr(const pthread_attr_t *attr, void **stackaddr)
288{
289 int ret;
290
291 /* Check for invalid arguments: */
292 if (attr == NULL || *attr == NULL || stackaddr == NULL)
293 ret = EINVAL;
294 else {
295 /* Return the stack address: */
296 *stackaddr = (*attr)->stackaddr_attr;
297 ret = 0;
298 }
299 return(ret);
300}
301
302__weak_reference(_pthread_attr_getstacksize, pthread_attr_getstacksize);
303
304int
305_pthread_attr_getstacksize(const pthread_attr_t *attr, size_t *stacksize)
306{
307 int ret;
308
309 /* Check for invalid arguments: */
310 if (attr == NULL || *attr == NULL || stacksize == NULL)
311 ret = EINVAL;
312 else {
313 /* Return the stack size: */
314 *stacksize = (*attr)->stacksize_attr;
315 ret = 0;
316 }
317 return(ret);
318}
319
320__weak_reference(_pthread_attr_init, pthread_attr_init);
321
322int
323_pthread_attr_init(pthread_attr_t *attr)
324{
325 int ret;
326 pthread_attr_t pattr;
327
328 _thr_check_init();
329
330 /* Allocate memory for the attribute object: */
331 if ((pattr = (pthread_attr_t) malloc(sizeof(struct pthread_attr))) == NULL)
332 /* Insufficient memory: */
333 ret = ENOMEM;
334 else {
335 /* Initialise the attribute object with the defaults: */
336 memcpy(pattr, &_pthread_attr_default, sizeof(struct pthread_attr));
337
338 /* Return a pointer to the attribute object: */
339 *attr = pattr;
340 ret = 0;
341 }
342 return(ret);
343}
344
345__weak_reference(_pthread_attr_setcreatesuspend_np, pthread_attr_setcreatesuspend_np);
346
347int
348_pthread_attr_setcreatesuspend_np(pthread_attr_t *attr)
349{
350 int ret;
351
352 if (attr == NULL || *attr == NULL) {
353 ret = EINVAL;
354 } else {
355 (*attr)->suspend = THR_CREATE_SUSPENDED;
356 ret = 0;
357 }
358 return(ret);
359}
360
361__weak_reference(_pthread_attr_setdetachstate, pthread_attr_setdetachstate);
362
363int
364_pthread_attr_setdetachstate(pthread_attr_t *attr, int detachstate)
365{
366 int ret;
367
368 /* Check for invalid arguments: */
369 if (attr == NULL || *attr == NULL ||
370 (detachstate != PTHREAD_CREATE_DETACHED &&
371 detachstate != PTHREAD_CREATE_JOINABLE))
372 ret = EINVAL;
373 else {
374 /* Check if detached state: */
375 if (detachstate == PTHREAD_CREATE_DETACHED)
376 /* Set the detached flag: */
377 (*attr)->flags |= PTHREAD_DETACHED;
378 else
379 /* Reset the detached flag: */
380 (*attr)->flags &= ~PTHREAD_DETACHED;
381 ret = 0;
382 }
383 return(ret);
384}
385
386__weak_reference(_pthread_attr_setguardsize, pthread_attr_setguardsize);
387
388int
389_pthread_attr_setguardsize(pthread_attr_t *attr, size_t guardsize)
390{
391 int ret;
392
393 /* Check for invalid arguments. */
394 if (attr == NULL || *attr == NULL)
395 ret = EINVAL;
396 else {
397 /* Save the stack size. */
398 (*attr)->guardsize_attr = guardsize;
399 ret = 0;
400 }
401 return(ret);
402}
403
404__weak_reference(_pthread_attr_setinheritsched, pthread_attr_setinheritsched);
405
406int
407_pthread_attr_setinheritsched(pthread_attr_t *attr, int sched_inherit)
408{
409 int ret = 0;
410
411 if ((attr == NULL) || (*attr == NULL))
412 ret = EINVAL;
413 else if (sched_inherit != PTHREAD_INHERIT_SCHED &&
414 sched_inherit != PTHREAD_EXPLICIT_SCHED)
415 ret = ENOTSUP;
416 else
417 (*attr)->sched_inherit = sched_inherit;
418
419 return(ret);
420}
421
422__weak_reference(_pthread_attr_setschedparam, pthread_attr_setschedparam);
423
424int
425_pthread_attr_setschedparam(pthread_attr_t *attr, const struct sched_param *param)
426{
427 int policy;
428
429 if ((attr == NULL) || (*attr == NULL))
430 return (EINVAL);
431
432 if (param == NULL)
433 return (ENOTSUP);
434
435 policy = (*attr)->sched_policy;
436
437 if (policy == SCHED_FIFO || policy == SCHED_RR) {
438 if (param->sched_priority < _thr_priorities[policy-1].pri_min ||
439 param->sched_priority > _thr_priorities[policy-1].pri_max)
440 return (ENOTSUP);
441 } else {
442 /*
443 * Ignore it for SCHED_OTHER now, patches for glib ports
444 * are wrongly using M:N thread library's internal macro
445 * THR_MIN_PRIORITY and THR_MAX_PRIORITY.
446 */
447 }
448
449 (*attr)->prio = param->sched_priority;
450
451 return (0);
452}
453
454__weak_reference(_pthread_attr_setschedpolicy, pthread_attr_setschedpolicy);
455
456int
457_pthread_attr_setschedpolicy(pthread_attr_t *attr, int policy)
458{
459 int ret = 0;
460
461 if ((attr == NULL) || (*attr == NULL))
462 ret = EINVAL;
463 else if ((policy < SCHED_FIFO) || (policy > SCHED_RR)) {
464 ret = ENOTSUP;
465 } else {
466 (*attr)->sched_policy = policy;
467 (*attr)->prio = _thr_priorities[policy-1].pri_default;
468 }
469 return(ret);
470}
471
472__weak_reference(_pthread_attr_setscope, pthread_attr_setscope);
473
474int
475_pthread_attr_setscope(pthread_attr_t *attr, int contentionscope)
476{
477 int ret = 0;
478
479 if ((attr == NULL) || (*attr == NULL)) {
480 /* Return an invalid argument: */
481 ret = EINVAL;
482 } else if ((contentionscope != PTHREAD_SCOPE_PROCESS) &&
483 (contentionscope != PTHREAD_SCOPE_SYSTEM)) {
484 ret = EINVAL;
485 } else if (contentionscope == PTHREAD_SCOPE_SYSTEM) {
486 (*attr)->flags |= contentionscope;
487 } else {
488 (*attr)->flags &= ~PTHREAD_SCOPE_SYSTEM;
489 }
490 return (ret);
491}
492
493__weak_reference(_pthread_attr_setstack, pthread_attr_setstack);
494
495int
496_pthread_attr_setstack(pthread_attr_t *attr, void *stackaddr,
497 size_t stacksize)
498{
499 int ret;
500
501 /* Check for invalid arguments: */
502 if (attr == NULL || *attr == NULL || stackaddr == NULL
503 || stacksize < PTHREAD_STACK_MIN)
504 ret = EINVAL;
505 else {
506 /* Save the stack address and stack size */
507 (*attr)->stackaddr_attr = stackaddr;
508 (*attr)->stacksize_attr = stacksize;
509 ret = 0;
510 }
511 return(ret);
512}
513
514__weak_reference(_pthread_attr_setstackaddr, pthread_attr_setstackaddr);
515
516int
517_pthread_attr_setstackaddr(pthread_attr_t *attr, void *stackaddr)
518{
519 int ret;
520
521 /* Check for invalid arguments: */
522 if (attr == NULL || *attr == NULL || stackaddr == NULL)
523 ret = EINVAL;
524 else {
525 /* Save the stack address: */
526 (*attr)->stackaddr_attr = stackaddr;
527 ret = 0;
528 }
529 return(ret);
530}
531
532__weak_reference(_pthread_attr_setstacksize, pthread_attr_setstacksize);
533
534int
535_pthread_attr_setstacksize(pthread_attr_t *attr, size_t stacksize)
536{
537 int ret;
538
539 /* Check for invalid arguments: */
540 if (attr == NULL || *attr == NULL || stacksize < PTHREAD_STACK_MIN)
541 ret = EINVAL;
542 else {
543 /* Save the stack size: */
544 (*attr)->stacksize_attr = stacksize;
545 ret = 0;
546 }
547 return(ret);
548}
549
550static size_t
551_get_kern_cpuset_size(void)
552{
553 static int kern_cpuset_size = 0;
554
555 if (kern_cpuset_size == 0) {
556 size_t len;
557
558 len = sizeof(kern_cpuset_size);
559 if (sysctlbyname("kern.smp.maxcpus", &kern_cpuset_size,
560 &len, NULL, 0))
561 PANIC("failed to get sysctl kern.smp.maxcpus");
562
563 kern_cpuset_size = (kern_cpuset_size + 7) / 8;
564 }
565
566 return (kern_cpuset_size);
567}
568
569__weak_reference(_pthread_attr_setaffinity_np, pthread_attr_setaffinity_np);
570int
571_pthread_attr_setaffinity_np(pthread_attr_t *pattr, size_t cpusetsize,
572 const cpuset_t *cpusetp)
573{
574 pthread_attr_t attr;
575 int ret;
576
577 if (pattr == NULL || (attr = (*pattr)) == NULL)
578 ret = EINVAL;
579 else {
580 if (cpusetsize == 0 || cpusetp == NULL) {
581 if (attr->cpuset != NULL) {
582 free(attr->cpuset);
583 attr->cpuset = NULL;
584 attr->cpusetsize = 0;
585 }
586 return (0);
587 }
588
589 if (cpusetsize > attr->cpusetsize) {
590 size_t kern_size = _get_kern_cpuset_size();
591 if (cpusetsize > kern_size) {
592 size_t i;
593 for (i = kern_size; i < cpusetsize; ++i) {
594 if (((char *)cpusetp)[i])
595 return (EINVAL);
596 }
597 }
598 void *newset = realloc(attr->cpuset, cpusetsize);
599 if (newset == NULL)
600 return (ENOMEM);
601 attr->cpuset = newset;
602 attr->cpusetsize = cpusetsize;
603 } else {
604 memset(((char *)attr->cpuset) + cpusetsize, 0,
605 attr->cpusetsize - cpusetsize);
606 attr->cpusetsize = cpusetsize;
607 }
608 memcpy(attr->cpuset, cpusetp, cpusetsize);
609 ret = 0;
610 }
611 return (ret);
612}
613
614__weak_reference(_pthread_attr_getaffinity_np, pthread_attr_getaffinity_np);
615int
616_pthread_attr_getaffinity_np(const pthread_attr_t *pattr, size_t cpusetsize,
617 cpuset_t *cpusetp)
618{
619 pthread_attr_t attr;
620 int ret = 0;
621
622 if (pattr == NULL || (attr = (*pattr)) == NULL)
623 ret = EINVAL;
624 else if (attr->cpuset != NULL) {
625 memcpy(cpusetp, attr->cpuset, MIN(cpusetsize, attr->cpusetsize));
626 if (cpusetsize > attr->cpusetsize)
627 memset(((char *)cpusetp) + attr->cpusetsize, 0,
628 cpusetsize - attr->cpusetsize);
629 } else {
630 size_t kern_size = _get_kern_cpuset_size();
631 memset(cpusetp, -1, MIN(cpusetsize, kern_size));
632 if (cpusetsize > kern_size)
633 memset(((char *)cpusetp) + kern_size, 0,
634 cpusetsize - kern_size);
635 }
636 return (ret);
637}
| 152 memcpy(*dst, &attr, sizeof(struct pthread_attr));
153 /* XXX */
154 (*dst)->cpuset = NULL;
155 (*dst)->cpusetsize = 0;
156 return (0);
157}
158
159__weak_reference(_pthread_attr_getdetachstate, pthread_attr_getdetachstate);
160
161int
162_pthread_attr_getdetachstate(const pthread_attr_t *attr, int *detachstate)
163{
164 int ret;
165
166 /* Check for invalid arguments: */
167 if (attr == NULL || *attr == NULL || detachstate == NULL)
168 ret = EINVAL;
169 else {
170 /* Check if the detached flag is set: */
171 if ((*attr)->flags & PTHREAD_DETACHED)
172 /* Return detached: */
173 *detachstate = PTHREAD_CREATE_DETACHED;
174 else
175 /* Return joinable: */
176 *detachstate = PTHREAD_CREATE_JOINABLE;
177 ret = 0;
178 }
179 return(ret);
180}
181
182__weak_reference(_pthread_attr_getguardsize, pthread_attr_getguardsize);
183
184int
185_pthread_attr_getguardsize(const pthread_attr_t *attr, size_t *guardsize)
186{
187 int ret;
188
189 /* Check for invalid arguments: */
190 if (attr == NULL || *attr == NULL || guardsize == NULL)
191 ret = EINVAL;
192 else {
193 /* Return the guard size: */
194 *guardsize = (*attr)->guardsize_attr;
195 ret = 0;
196 }
197 return(ret);
198}
199
200__weak_reference(_pthread_attr_getinheritsched, pthread_attr_getinheritsched);
201
202int
203_pthread_attr_getinheritsched(const pthread_attr_t *attr, int *sched_inherit)
204{
205 int ret = 0;
206
207 if ((attr == NULL) || (*attr == NULL))
208 ret = EINVAL;
209 else
210 *sched_inherit = (*attr)->sched_inherit;
211
212 return(ret);
213}
214
215__weak_reference(_pthread_attr_getschedparam, pthread_attr_getschedparam);
216
217int
218_pthread_attr_getschedparam(const pthread_attr_t *attr, struct sched_param *param)
219{
220 int ret = 0;
221
222 if ((attr == NULL) || (*attr == NULL) || (param == NULL))
223 ret = EINVAL;
224 else
225 param->sched_priority = (*attr)->prio;
226
227 return(ret);
228}
229
230__weak_reference(_pthread_attr_getschedpolicy, pthread_attr_getschedpolicy);
231
232int
233_pthread_attr_getschedpolicy(const pthread_attr_t *attr, int *policy)
234{
235 int ret = 0;
236
237 if ((attr == NULL) || (*attr == NULL) || (policy == NULL))
238 ret = EINVAL;
239 else
240 *policy = (*attr)->sched_policy;
241
242 return(ret);
243}
244
245__weak_reference(_pthread_attr_getscope, pthread_attr_getscope);
246
247int
248_pthread_attr_getscope(const pthread_attr_t *attr, int *contentionscope)
249{
250 int ret = 0;
251
252 if ((attr == NULL) || (*attr == NULL) || (contentionscope == NULL))
253 /* Return an invalid argument: */
254 ret = EINVAL;
255
256 else
257 *contentionscope = (*attr)->flags & PTHREAD_SCOPE_SYSTEM ?
258 PTHREAD_SCOPE_SYSTEM : PTHREAD_SCOPE_PROCESS;
259
260 return(ret);
261}
262
263__weak_reference(_pthread_attr_getstack, pthread_attr_getstack);
264
265int
266_pthread_attr_getstack(const pthread_attr_t * __restrict attr,
267 void ** __restrict stackaddr,
268 size_t * __restrict stacksize)
269{
270 int ret;
271
272 /* Check for invalid arguments: */
273 if (attr == NULL || *attr == NULL || stackaddr == NULL
274 || stacksize == NULL )
275 ret = EINVAL;
276 else {
277 /* Return the stack address and size */
278 *stackaddr = (*attr)->stackaddr_attr;
279 *stacksize = (*attr)->stacksize_attr;
280 ret = 0;
281 }
282 return(ret);
283}
284
285__weak_reference(_pthread_attr_getstackaddr, pthread_attr_getstackaddr);
286
287int
288_pthread_attr_getstackaddr(const pthread_attr_t *attr, void **stackaddr)
289{
290 int ret;
291
292 /* Check for invalid arguments: */
293 if (attr == NULL || *attr == NULL || stackaddr == NULL)
294 ret = EINVAL;
295 else {
296 /* Return the stack address: */
297 *stackaddr = (*attr)->stackaddr_attr;
298 ret = 0;
299 }
300 return(ret);
301}
302
303__weak_reference(_pthread_attr_getstacksize, pthread_attr_getstacksize);
304
305int
306_pthread_attr_getstacksize(const pthread_attr_t *attr, size_t *stacksize)
307{
308 int ret;
309
310 /* Check for invalid arguments: */
311 if (attr == NULL || *attr == NULL || stacksize == NULL)
312 ret = EINVAL;
313 else {
314 /* Return the stack size: */
315 *stacksize = (*attr)->stacksize_attr;
316 ret = 0;
317 }
318 return(ret);
319}
320
321__weak_reference(_pthread_attr_init, pthread_attr_init);
322
323int
324_pthread_attr_init(pthread_attr_t *attr)
325{
326 int ret;
327 pthread_attr_t pattr;
328
329 _thr_check_init();
330
331 /* Allocate memory for the attribute object: */
332 if ((pattr = (pthread_attr_t) malloc(sizeof(struct pthread_attr))) == NULL)
333 /* Insufficient memory: */
334 ret = ENOMEM;
335 else {
336 /* Initialise the attribute object with the defaults: */
337 memcpy(pattr, &_pthread_attr_default, sizeof(struct pthread_attr));
338
339 /* Return a pointer to the attribute object: */
340 *attr = pattr;
341 ret = 0;
342 }
343 return(ret);
344}
345
346__weak_reference(_pthread_attr_setcreatesuspend_np, pthread_attr_setcreatesuspend_np);
347
348int
349_pthread_attr_setcreatesuspend_np(pthread_attr_t *attr)
350{
351 int ret;
352
353 if (attr == NULL || *attr == NULL) {
354 ret = EINVAL;
355 } else {
356 (*attr)->suspend = THR_CREATE_SUSPENDED;
357 ret = 0;
358 }
359 return(ret);
360}
361
362__weak_reference(_pthread_attr_setdetachstate, pthread_attr_setdetachstate);
363
364int
365_pthread_attr_setdetachstate(pthread_attr_t *attr, int detachstate)
366{
367 int ret;
368
369 /* Check for invalid arguments: */
370 if (attr == NULL || *attr == NULL ||
371 (detachstate != PTHREAD_CREATE_DETACHED &&
372 detachstate != PTHREAD_CREATE_JOINABLE))
373 ret = EINVAL;
374 else {
375 /* Check if detached state: */
376 if (detachstate == PTHREAD_CREATE_DETACHED)
377 /* Set the detached flag: */
378 (*attr)->flags |= PTHREAD_DETACHED;
379 else
380 /* Reset the detached flag: */
381 (*attr)->flags &= ~PTHREAD_DETACHED;
382 ret = 0;
383 }
384 return(ret);
385}
386
387__weak_reference(_pthread_attr_setguardsize, pthread_attr_setguardsize);
388
389int
390_pthread_attr_setguardsize(pthread_attr_t *attr, size_t guardsize)
391{
392 int ret;
393
394 /* Check for invalid arguments. */
395 if (attr == NULL || *attr == NULL)
396 ret = EINVAL;
397 else {
398 /* Save the stack size. */
399 (*attr)->guardsize_attr = guardsize;
400 ret = 0;
401 }
402 return(ret);
403}
404
405__weak_reference(_pthread_attr_setinheritsched, pthread_attr_setinheritsched);
406
407int
408_pthread_attr_setinheritsched(pthread_attr_t *attr, int sched_inherit)
409{
410 int ret = 0;
411
412 if ((attr == NULL) || (*attr == NULL))
413 ret = EINVAL;
414 else if (sched_inherit != PTHREAD_INHERIT_SCHED &&
415 sched_inherit != PTHREAD_EXPLICIT_SCHED)
416 ret = ENOTSUP;
417 else
418 (*attr)->sched_inherit = sched_inherit;
419
420 return(ret);
421}
422
423__weak_reference(_pthread_attr_setschedparam, pthread_attr_setschedparam);
424
425int
426_pthread_attr_setschedparam(pthread_attr_t *attr, const struct sched_param *param)
427{
428 int policy;
429
430 if ((attr == NULL) || (*attr == NULL))
431 return (EINVAL);
432
433 if (param == NULL)
434 return (ENOTSUP);
435
436 policy = (*attr)->sched_policy;
437
438 if (policy == SCHED_FIFO || policy == SCHED_RR) {
439 if (param->sched_priority < _thr_priorities[policy-1].pri_min ||
440 param->sched_priority > _thr_priorities[policy-1].pri_max)
441 return (ENOTSUP);
442 } else {
443 /*
444 * Ignore it for SCHED_OTHER now, patches for glib ports
445 * are wrongly using M:N thread library's internal macro
446 * THR_MIN_PRIORITY and THR_MAX_PRIORITY.
447 */
448 }
449
450 (*attr)->prio = param->sched_priority;
451
452 return (0);
453}
454
455__weak_reference(_pthread_attr_setschedpolicy, pthread_attr_setschedpolicy);
456
457int
458_pthread_attr_setschedpolicy(pthread_attr_t *attr, int policy)
459{
460 int ret = 0;
461
462 if ((attr == NULL) || (*attr == NULL))
463 ret = EINVAL;
464 else if ((policy < SCHED_FIFO) || (policy > SCHED_RR)) {
465 ret = ENOTSUP;
466 } else {
467 (*attr)->sched_policy = policy;
468 (*attr)->prio = _thr_priorities[policy-1].pri_default;
469 }
470 return(ret);
471}
472
473__weak_reference(_pthread_attr_setscope, pthread_attr_setscope);
474
475int
476_pthread_attr_setscope(pthread_attr_t *attr, int contentionscope)
477{
478 int ret = 0;
479
480 if ((attr == NULL) || (*attr == NULL)) {
481 /* Return an invalid argument: */
482 ret = EINVAL;
483 } else if ((contentionscope != PTHREAD_SCOPE_PROCESS) &&
484 (contentionscope != PTHREAD_SCOPE_SYSTEM)) {
485 ret = EINVAL;
486 } else if (contentionscope == PTHREAD_SCOPE_SYSTEM) {
487 (*attr)->flags |= contentionscope;
488 } else {
489 (*attr)->flags &= ~PTHREAD_SCOPE_SYSTEM;
490 }
491 return (ret);
492}
493
494__weak_reference(_pthread_attr_setstack, pthread_attr_setstack);
495
496int
497_pthread_attr_setstack(pthread_attr_t *attr, void *stackaddr,
498 size_t stacksize)
499{
500 int ret;
501
502 /* Check for invalid arguments: */
503 if (attr == NULL || *attr == NULL || stackaddr == NULL
504 || stacksize < PTHREAD_STACK_MIN)
505 ret = EINVAL;
506 else {
507 /* Save the stack address and stack size */
508 (*attr)->stackaddr_attr = stackaddr;
509 (*attr)->stacksize_attr = stacksize;
510 ret = 0;
511 }
512 return(ret);
513}
514
515__weak_reference(_pthread_attr_setstackaddr, pthread_attr_setstackaddr);
516
517int
518_pthread_attr_setstackaddr(pthread_attr_t *attr, void *stackaddr)
519{
520 int ret;
521
522 /* Check for invalid arguments: */
523 if (attr == NULL || *attr == NULL || stackaddr == NULL)
524 ret = EINVAL;
525 else {
526 /* Save the stack address: */
527 (*attr)->stackaddr_attr = stackaddr;
528 ret = 0;
529 }
530 return(ret);
531}
532
533__weak_reference(_pthread_attr_setstacksize, pthread_attr_setstacksize);
534
535int
536_pthread_attr_setstacksize(pthread_attr_t *attr, size_t stacksize)
537{
538 int ret;
539
540 /* Check for invalid arguments: */
541 if (attr == NULL || *attr == NULL || stacksize < PTHREAD_STACK_MIN)
542 ret = EINVAL;
543 else {
544 /* Save the stack size: */
545 (*attr)->stacksize_attr = stacksize;
546 ret = 0;
547 }
548 return(ret);
549}
550
551static size_t
552_get_kern_cpuset_size(void)
553{
554 static int kern_cpuset_size = 0;
555
556 if (kern_cpuset_size == 0) {
557 size_t len;
558
559 len = sizeof(kern_cpuset_size);
560 if (sysctlbyname("kern.smp.maxcpus", &kern_cpuset_size,
561 &len, NULL, 0))
562 PANIC("failed to get sysctl kern.smp.maxcpus");
563
564 kern_cpuset_size = (kern_cpuset_size + 7) / 8;
565 }
566
567 return (kern_cpuset_size);
568}
569
570__weak_reference(_pthread_attr_setaffinity_np, pthread_attr_setaffinity_np);
571int
572_pthread_attr_setaffinity_np(pthread_attr_t *pattr, size_t cpusetsize,
573 const cpuset_t *cpusetp)
574{
575 pthread_attr_t attr;
576 int ret;
577
578 if (pattr == NULL || (attr = (*pattr)) == NULL)
579 ret = EINVAL;
580 else {
581 if (cpusetsize == 0 || cpusetp == NULL) {
582 if (attr->cpuset != NULL) {
583 free(attr->cpuset);
584 attr->cpuset = NULL;
585 attr->cpusetsize = 0;
586 }
587 return (0);
588 }
589
590 if (cpusetsize > attr->cpusetsize) {
591 size_t kern_size = _get_kern_cpuset_size();
592 if (cpusetsize > kern_size) {
593 size_t i;
594 for (i = kern_size; i < cpusetsize; ++i) {
595 if (((char *)cpusetp)[i])
596 return (EINVAL);
597 }
598 }
599 void *newset = realloc(attr->cpuset, cpusetsize);
600 if (newset == NULL)
601 return (ENOMEM);
602 attr->cpuset = newset;
603 attr->cpusetsize = cpusetsize;
604 } else {
605 memset(((char *)attr->cpuset) + cpusetsize, 0,
606 attr->cpusetsize - cpusetsize);
607 attr->cpusetsize = cpusetsize;
608 }
609 memcpy(attr->cpuset, cpusetp, cpusetsize);
610 ret = 0;
611 }
612 return (ret);
613}
614
615__weak_reference(_pthread_attr_getaffinity_np, pthread_attr_getaffinity_np);
616int
617_pthread_attr_getaffinity_np(const pthread_attr_t *pattr, size_t cpusetsize,
618 cpuset_t *cpusetp)
619{
620 pthread_attr_t attr;
621 int ret = 0;
622
623 if (pattr == NULL || (attr = (*pattr)) == NULL)
624 ret = EINVAL;
625 else if (attr->cpuset != NULL) {
626 memcpy(cpusetp, attr->cpuset, MIN(cpusetsize, attr->cpusetsize));
627 if (cpusetsize > attr->cpusetsize)
628 memset(((char *)cpusetp) + attr->cpusetsize, 0,
629 cpusetsize - attr->cpusetsize);
630 } else {
631 size_t kern_size = _get_kern_cpuset_size();
632 memset(cpusetp, -1, MIN(cpusetsize, kern_size));
633 if (cpusetsize > kern_size)
634 memset(((char *)cpusetp) + kern_size, 0,
635 cpusetsize - kern_size);
636 }
637 return (ret);
638}
|