2 * Copyright (c) 2003 Craig Rodrigues <rodrigc@attbi.com>.
3 * Copyright (c) 2002,2003 Alexey Zelkin <phantom@FreeBSD.org>
4 * Copyright (C) 2001 Jason Evans <jasone@freebsd.org>.
5 * Copyright (c) 1998 Daniel Eischen <eischen@vigrid.com>.
6 * Copyright (c) 1996 John Birrell <jb@cimlogic.com.au>.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice(s), this list of conditions and the following disclaimer
14 * unmodified other than the allowable addition of one or more
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice(s), this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
22 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
28 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
30 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
31 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 #include "namespace.h"
35 #include <machine/tls.h>
40 #include <pthread_np.h>
41 #include "un-namespace.h"
43 #include "thr_private.h"
46 _pthread_attr_destroy(pthread_attr_t *attr)
50 /* Check for invalid arguments: */
51 if (attr == NULL || *attr == NULL)
52 /* Invalid argument: */
55 /* Free the memory allocated to the attribute object: */
59 * Leave the attribute pointer NULL now that the memory
68 __strong_reference(_pthread_attr_destroy, pthread_attr_destroy);
71 _pthread_attr_get_np(pthread_t pid, pthread_attr_t *dst)
73 struct pthread *curthread;
74 struct pthread_attr attr;
77 if (pid == NULL || dst == NULL || *dst == NULL)
80 curthread = tls_get_curthread();
81 if ((ret = _thr_ref_add(curthread, pid, /*include dead*/0)) != 0)
84 if (pid->tlflags & TLFLAGS_DETACHED)
85 attr.flags |= PTHREAD_DETACHED;
86 _thr_ref_delete(curthread, pid);
87 memcpy(*dst, &attr, sizeof(struct pthread_attr));
92 __strong_reference(_pthread_attr_get_np, pthread_attr_get_np);
95 _pthread_attr_getdetachstate(const pthread_attr_t *attr, int *detachstate)
99 /* Check for invalid arguments: */
100 if (attr == NULL || *attr == NULL || detachstate == NULL)
103 /* Check if the detached flag is set: */
104 if ((*attr)->flags & PTHREAD_DETACHED)
105 /* Return detached: */
106 *detachstate = PTHREAD_CREATE_DETACHED;
108 /* Return joinable: */
109 *detachstate = PTHREAD_CREATE_JOINABLE;
115 __strong_reference(_pthread_attr_getdetachstate, pthread_attr_getdetachstate);
118 _pthread_attr_getguardsize(const pthread_attr_t *attr, size_t *guardsize)
122 /* Check for invalid arguments: */
123 if (attr == NULL || *attr == NULL || guardsize == NULL)
126 /* Return the guard size: */
127 *guardsize = (*attr)->guardsize_attr;
133 __strong_reference(_pthread_attr_getguardsize, pthread_attr_getguardsize);
136 _pthread_attr_getinheritsched(const pthread_attr_t *attr, int *sched_inherit)
140 if ((attr == NULL) || (*attr == NULL))
143 *sched_inherit = (*attr)->sched_inherit;
148 __strong_reference(_pthread_attr_getinheritsched, pthread_attr_getinheritsched);
151 _pthread_attr_getschedparam(const pthread_attr_t *attr, struct sched_param *param)
155 if ((attr == NULL) || (*attr == NULL) || (param == NULL))
158 param->sched_priority = (*attr)->prio;
163 __strong_reference(_pthread_attr_getschedparam, pthread_attr_getschedparam);
166 _pthread_attr_getschedpolicy(const pthread_attr_t *attr, int *policy)
170 if ((attr == NULL) || (*attr == NULL) || (policy == NULL))
173 *policy = (*attr)->sched_policy;
178 __strong_reference(_pthread_attr_getschedpolicy, pthread_attr_getschedpolicy);
181 _pthread_attr_getscope(const pthread_attr_t *attr, int *contentionscope)
185 if ((attr == NULL) || (*attr == NULL) || (contentionscope == NULL))
186 /* Return an invalid argument: */
190 *contentionscope = (*attr)->flags & PTHREAD_SCOPE_SYSTEM ?
191 PTHREAD_SCOPE_SYSTEM : PTHREAD_SCOPE_PROCESS;
196 __strong_reference(_pthread_attr_getscope, pthread_attr_getscope);
199 _pthread_attr_getstack(const pthread_attr_t * __restrict attr,
200 void ** __restrict stackaddr,
201 size_t * __restrict stacksize)
205 /* Check for invalid arguments: */
206 if (attr == NULL || *attr == NULL || stackaddr == NULL
207 || stacksize == NULL )
210 /* Return the stack address and size */
211 *stackaddr = (*attr)->stackaddr_attr;
212 *stacksize = (*attr)->stacksize_attr;
218 __strong_reference(_pthread_attr_getstack, pthread_attr_getstack);
221 _pthread_attr_getstackaddr(const pthread_attr_t *attr, void **stackaddr)
225 /* Check for invalid arguments: */
226 if (attr == NULL || *attr == NULL || stackaddr == NULL)
229 /* Return the stack address: */
230 *stackaddr = (*attr)->stackaddr_attr;
236 __strong_reference(_pthread_attr_getstackaddr, pthread_attr_getstackaddr);
239 _pthread_attr_getstacksize(const pthread_attr_t *attr, size_t *stacksize)
243 /* Check for invalid arguments: */
244 if (attr == NULL || *attr == NULL || stacksize == NULL)
247 /* Return the stack size: */
248 *stacksize = (*attr)->stacksize_attr;
254 __strong_reference(_pthread_attr_getstacksize, pthread_attr_getstacksize);
257 _pthread_attr_init(pthread_attr_t *attr)
260 pthread_attr_t pattr;
262 /* Allocate memory for the attribute object: */
263 if ((pattr = (pthread_attr_t) malloc(sizeof(struct pthread_attr))) == NULL)
264 /* Insufficient memory: */
267 /* Initialise the attribute object with the defaults: */
268 memcpy(pattr, &_pthread_attr_default,
269 sizeof(struct pthread_attr));
271 /* Return a pointer to the attribute object: */
278 __strong_reference(_pthread_attr_init, pthread_attr_init);
281 _pthread_attr_setcreatesuspend_np(pthread_attr_t *attr)
285 if (attr == NULL || *attr == NULL) {
288 (*attr)->suspend = THR_CREATE_SUSPENDED;
294 __strong_reference(_pthread_attr_setcreatesuspend_np, pthread_attr_setcreatesuspend_np);
297 _pthread_attr_setdetachstate(pthread_attr_t *attr, int detachstate)
301 /* Check for invalid arguments: */
302 if (attr == NULL || *attr == NULL ||
303 (detachstate != PTHREAD_CREATE_DETACHED &&
304 detachstate != PTHREAD_CREATE_JOINABLE))
307 /* Check if detached state: */
308 if (detachstate == PTHREAD_CREATE_DETACHED)
309 /* Set the detached flag: */
310 (*attr)->flags |= PTHREAD_DETACHED;
312 /* Reset the detached flag: */
313 (*attr)->flags &= ~PTHREAD_DETACHED;
319 __strong_reference(_pthread_attr_setdetachstate, pthread_attr_setdetachstate);
322 _pthread_attr_setguardsize(pthread_attr_t *attr, size_t guardsize)
326 /* Check for invalid arguments. */
327 if (attr == NULL || *attr == NULL)
330 /* Save the stack size. */
331 (*attr)->guardsize_attr = guardsize;
337 __strong_reference(_pthread_attr_setguardsize, pthread_attr_setguardsize);
340 _pthread_attr_setinheritsched(pthread_attr_t *attr, int sched_inherit)
344 if ((attr == NULL) || (*attr == NULL))
346 else if (sched_inherit != PTHREAD_INHERIT_SCHED &&
347 sched_inherit != PTHREAD_EXPLICIT_SCHED)
350 (*attr)->sched_inherit = sched_inherit;
355 __strong_reference(_pthread_attr_setinheritsched, pthread_attr_setinheritsched);
358 _pthread_attr_setschedparam(pthread_attr_t *attr, const struct sched_param *param)
362 if ((attr == NULL) || (*attr == NULL))
368 policy = (*attr)->sched_policy;
371 int minv = sched_get_priority_min(policy);
372 int maxv = sched_get_priority_max(policy);
373 if (minv == -1 || maxv == -1 ||
374 param->sched_priority < minv ||
375 param->sched_priority > maxv) {
380 (*attr)->prio = param->sched_priority;
385 __strong_reference(_pthread_attr_setschedparam, pthread_attr_setschedparam);
388 _pthread_attr_setschedpolicy(pthread_attr_t *attr, int pol)
392 if ((attr == NULL) || (*attr == NULL))
394 else if (pol != SCHED_FIFO && pol != SCHED_OTHER && pol != SCHED_RR) {
397 (*attr)->sched_policy = pol;
402 __strong_reference(_pthread_attr_setschedpolicy, pthread_attr_setschedpolicy);
405 _pthread_attr_setscope(pthread_attr_t *attr, int contentionscope)
409 if ((attr == NULL) || (*attr == NULL)) {
410 /* Return an invalid argument: */
412 } else if ((contentionscope != PTHREAD_SCOPE_PROCESS) &&
413 (contentionscope != PTHREAD_SCOPE_SYSTEM)) {
415 } else if (contentionscope == PTHREAD_SCOPE_SYSTEM) {
416 (*attr)->flags |= contentionscope;
418 (*attr)->flags &= ~PTHREAD_SCOPE_SYSTEM;
423 __strong_reference(_pthread_attr_setscope, pthread_attr_setscope);
426 _pthread_attr_setstack(pthread_attr_t *attr, void *stackaddr,
431 /* Check for invalid arguments: */
432 if (attr == NULL || *attr == NULL || stackaddr == NULL
433 || stacksize < PTHREAD_STACK_MIN)
436 /* Save the stack address and stack size */
437 (*attr)->stackaddr_attr = stackaddr;
438 (*attr)->stacksize_attr = stacksize;
444 __strong_reference(_pthread_attr_setstack, pthread_attr_setstack);
447 _pthread_attr_setstackaddr(pthread_attr_t *attr, void *stackaddr)
451 /* Check for invalid arguments: */
452 if (attr == NULL || *attr == NULL || stackaddr == NULL)
455 /* Save the stack address: */
456 (*attr)->stackaddr_attr = stackaddr;
462 __strong_reference(_pthread_attr_setstackaddr, pthread_attr_setstackaddr);
465 _pthread_attr_setstacksize(pthread_attr_t *attr, size_t stacksize)
469 /* Check for invalid arguments: */
470 if (attr == NULL || *attr == NULL || stacksize < PTHREAD_STACK_MIN)
473 /* Save the stack size: */
474 (*attr)->stacksize_attr = stacksize;
480 __strong_reference(_pthread_attr_setstacksize, pthread_attr_setstacksize);