2 * Copyright (c) 2003 Craig Rodrigues <rodrigc@attbi.com>.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
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.
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
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
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
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.
66 * Copyright (c) 1996 John Birrell <jb@cimlogic.com.au>.
67 * All rights reserved.
69 * Redistribution and use in source and binary forms, with or without
70 * modification, are permitted provided that the following conditions
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.
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
96 #include "namespace.h"
101 #include <pthread_np.h>
102 #include "un-namespace.h"
104 #include "thr_private.h"
106 __weak_reference(_pthread_attr_destroy, pthread_attr_destroy);
109 _pthread_attr_destroy(pthread_attr_t *attr)
113 /* Check for invalid arguments: */
114 if (attr == NULL || *attr == NULL)
115 /* Invalid argument: */
118 /* Free the memory allocated to the attribute object: */
122 * Leave the attribute pointer NULL now that the memory
131 __weak_reference(_pthread_attr_get_np, pthread_attr_get_np);
134 _pthread_attr_get_np(pthread_t pid, pthread_attr_t *dst)
136 struct pthread *curthread;
137 struct pthread_attr attr;
140 if (pid == NULL || dst == NULL || *dst == NULL)
143 curthread = _get_curthread();
144 if ((ret = _thr_ref_add(curthread, pid, /*include dead*/0)) != 0)
147 if (pid->tlflags & TLFLAGS_DETACHED)
148 attr.flags |= PTHREAD_DETACHED;
149 _thr_ref_delete(curthread, pid);
150 memcpy(*dst, &attr, sizeof(struct pthread_attr));
155 __weak_reference(_pthread_attr_getdetachstate, pthread_attr_getdetachstate);
158 _pthread_attr_getdetachstate(const pthread_attr_t *attr, int *detachstate)
162 /* Check for invalid arguments: */
163 if (attr == NULL || *attr == NULL || detachstate == NULL)
166 /* Check if the detached flag is set: */
167 if ((*attr)->flags & PTHREAD_DETACHED)
168 /* Return detached: */
169 *detachstate = PTHREAD_CREATE_DETACHED;
171 /* Return joinable: */
172 *detachstate = PTHREAD_CREATE_JOINABLE;
178 __weak_reference(_pthread_attr_getguardsize, pthread_attr_getguardsize);
181 _pthread_attr_getguardsize(const pthread_attr_t *attr, size_t *guardsize)
185 /* Check for invalid arguments: */
186 if (attr == NULL || *attr == NULL || guardsize == NULL)
189 /* Return the guard size: */
190 *guardsize = (*attr)->guardsize_attr;
196 __weak_reference(_pthread_attr_getinheritsched, pthread_attr_getinheritsched);
199 _pthread_attr_getinheritsched(const pthread_attr_t *attr, int *sched_inherit)
203 if ((attr == NULL) || (*attr == NULL))
206 *sched_inherit = (*attr)->sched_inherit;
211 __weak_reference(_pthread_attr_getschedparam, pthread_attr_getschedparam);
214 _pthread_attr_getschedparam(const pthread_attr_t *attr, struct sched_param *param)
218 if ((attr == NULL) || (*attr == NULL) || (param == NULL))
221 param->sched_priority = (*attr)->prio;
226 __weak_reference(_pthread_attr_getschedpolicy, pthread_attr_getschedpolicy);
229 _pthread_attr_getschedpolicy(const pthread_attr_t *attr, int *policy)
233 if ((attr == NULL) || (*attr == NULL) || (policy == NULL))
236 *policy = (*attr)->sched_policy;
241 __weak_reference(_pthread_attr_getscope, pthread_attr_getscope);
244 _pthread_attr_getscope(const pthread_attr_t *attr, int *contentionscope)
248 if ((attr == NULL) || (*attr == NULL) || (contentionscope == NULL))
249 /* Return an invalid argument: */
253 *contentionscope = (*attr)->flags & PTHREAD_SCOPE_SYSTEM ?
254 PTHREAD_SCOPE_SYSTEM : PTHREAD_SCOPE_PROCESS;
259 __weak_reference(_pthread_attr_getstack, pthread_attr_getstack);
262 _pthread_attr_getstack(const pthread_attr_t * __restrict attr,
263 void ** __restrict stackaddr,
264 size_t * __restrict stacksize)
268 /* Check for invalid arguments: */
269 if (attr == NULL || *attr == NULL || stackaddr == NULL
270 || stacksize == NULL )
273 /* Return the stack address and size */
274 *stackaddr = (*attr)->stackaddr_attr;
275 *stacksize = (*attr)->stacksize_attr;
281 __weak_reference(_pthread_attr_getstackaddr, pthread_attr_getstackaddr);
284 _pthread_attr_getstackaddr(const pthread_attr_t *attr, void **stackaddr)
288 /* Check for invalid arguments: */
289 if (attr == NULL || *attr == NULL || stackaddr == NULL)
292 /* Return the stack address: */
293 *stackaddr = (*attr)->stackaddr_attr;
299 __weak_reference(_pthread_attr_getstacksize, pthread_attr_getstacksize);
302 _pthread_attr_getstacksize(const pthread_attr_t *attr, size_t *stacksize)
306 /* Check for invalid arguments: */
307 if (attr == NULL || *attr == NULL || stacksize == NULL)
310 /* Return the stack size: */
311 *stacksize = (*attr)->stacksize_attr;
317 __weak_reference(_pthread_attr_init, pthread_attr_init);
320 _pthread_attr_init(pthread_attr_t *attr)
323 pthread_attr_t pattr;
327 /* Allocate memory for the attribute object: */
328 if ((pattr = (pthread_attr_t) malloc(sizeof(struct pthread_attr))) == NULL)
329 /* Insufficient memory: */
332 /* Initialise the attribute object with the defaults: */
333 memcpy(pattr, &_pthread_attr_default, sizeof(struct pthread_attr));
335 /* Return a pointer to the attribute object: */
342 __weak_reference(_pthread_attr_setcreatesuspend_np, pthread_attr_setcreatesuspend_np);
345 _pthread_attr_setcreatesuspend_np(pthread_attr_t *attr)
349 if (attr == NULL || *attr == NULL) {
352 (*attr)->suspend = THR_CREATE_SUSPENDED;
358 __weak_reference(_pthread_attr_setdetachstate, pthread_attr_setdetachstate);
361 _pthread_attr_setdetachstate(pthread_attr_t *attr, int detachstate)
365 /* Check for invalid arguments: */
366 if (attr == NULL || *attr == NULL ||
367 (detachstate != PTHREAD_CREATE_DETACHED &&
368 detachstate != PTHREAD_CREATE_JOINABLE))
371 /* Check if detached state: */
372 if (detachstate == PTHREAD_CREATE_DETACHED)
373 /* Set the detached flag: */
374 (*attr)->flags |= PTHREAD_DETACHED;
376 /* Reset the detached flag: */
377 (*attr)->flags &= ~PTHREAD_DETACHED;
383 __weak_reference(_pthread_attr_setguardsize, pthread_attr_setguardsize);
386 _pthread_attr_setguardsize(pthread_attr_t *attr, size_t guardsize)
390 /* Check for invalid arguments. */
391 if (attr == NULL || *attr == NULL)
394 /* Save the stack size. */
395 (*attr)->guardsize_attr = guardsize;
401 __weak_reference(_pthread_attr_setinheritsched, pthread_attr_setinheritsched);
404 _pthread_attr_setinheritsched(pthread_attr_t *attr, int sched_inherit)
408 if ((attr == NULL) || (*attr == NULL))
410 else if (sched_inherit != PTHREAD_INHERIT_SCHED &&
411 sched_inherit != PTHREAD_EXPLICIT_SCHED)
414 (*attr)->sched_inherit = sched_inherit;
419 __weak_reference(_pthread_attr_setschedparam, pthread_attr_setschedparam);
422 _pthread_attr_setschedparam(pthread_attr_t *attr, const struct sched_param *param)
426 if ((attr == NULL) || (*attr == NULL))
432 policy = (*attr)->sched_policy;
434 if (policy == SCHED_FIFO || policy == SCHED_RR) {
435 if (param->sched_priority < _thr_priorities[policy-1].pri_min ||
436 param->sched_priority > _thr_priorities[policy-1].pri_max)
440 * Ignore it for SCHED_OTHER now, patches for glib ports
441 * are wrongly using M:N thread library's internal macro
442 * THR_MIN_PRIORITY and THR_MAX_PRIORITY.
446 (*attr)->prio = param->sched_priority;
451 __weak_reference(_pthread_attr_setschedpolicy, pthread_attr_setschedpolicy);
454 _pthread_attr_setschedpolicy(pthread_attr_t *attr, int policy)
458 if ((attr == NULL) || (*attr == NULL))
460 else if ((policy < SCHED_FIFO) || (policy > SCHED_RR)) {
463 (*attr)->sched_policy = policy;
464 (*attr)->prio = _thr_priorities[policy-1].pri_default;
469 __weak_reference(_pthread_attr_setscope, pthread_attr_setscope);
472 _pthread_attr_setscope(pthread_attr_t *attr, int contentionscope)
476 if ((attr == NULL) || (*attr == NULL)) {
477 /* Return an invalid argument: */
479 } else if ((contentionscope != PTHREAD_SCOPE_PROCESS) &&
480 (contentionscope != PTHREAD_SCOPE_SYSTEM)) {
482 } else if (contentionscope == PTHREAD_SCOPE_SYSTEM) {
483 (*attr)->flags |= contentionscope;
485 (*attr)->flags &= ~PTHREAD_SCOPE_SYSTEM;
490 __weak_reference(_pthread_attr_setstack, pthread_attr_setstack);
493 _pthread_attr_setstack(pthread_attr_t *attr, void *stackaddr,
498 /* Check for invalid arguments: */
499 if (attr == NULL || *attr == NULL || stackaddr == NULL
500 || stacksize < PTHREAD_STACK_MIN)
503 /* Save the stack address and stack size */
504 (*attr)->stackaddr_attr = stackaddr;
505 (*attr)->stacksize_attr = stacksize;
511 __weak_reference(_pthread_attr_setstackaddr, pthread_attr_setstackaddr);
514 _pthread_attr_setstackaddr(pthread_attr_t *attr, void *stackaddr)
518 /* Check for invalid arguments: */
519 if (attr == NULL || *attr == NULL || stackaddr == NULL)
522 /* Save the stack address: */
523 (*attr)->stackaddr_attr = stackaddr;
529 __weak_reference(_pthread_attr_setstacksize, pthread_attr_setstacksize);
532 _pthread_attr_setstacksize(pthread_attr_t *attr, size_t stacksize)
536 /* Check for invalid arguments: */
537 if (attr == NULL || *attr == NULL || stacksize < PTHREAD_STACK_MIN)
540 /* Save the stack size: */
541 (*attr)->stacksize_attr = stacksize;