/* * Copyright (c) 1995-1997 John Birrell . * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by John Birrell. * 4. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ /* * Copyright (c) 2003 Craig Rodrigues . * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Craig Rodrigues. * 4. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY CRAIG RODRIGUES AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ /* * Copyright (c) 1998 Daniel Eischen . * Copyright (C) 2001 Jason Evans . * Copyright (c) 2002,2003 Alexey Zelkin * Copyright (c) 2003 Jeff Roberson * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice(s), this list of conditions and the following disclaimer * unmodified other than the allowable addition of one or more * copyright notices. * 2. Redistributions in binary form must reproduce the above copyright * notice(s), this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* XXXTHR I rewrote the entire file, can we lose some of the copyrights? */ #include #include #include #include #include #include #include "thr_private.h" __weak_reference(_pthread_attr_init, pthread_attr_init); int _pthread_attr_init(pthread_attr_t *attr) { pthread_attr_t pattr; if ((pattr = (pthread_attr_t) malloc(sizeof(struct pthread_attr))) == NULL) return (ENOMEM); memcpy(pattr, &pthread_attr_default, sizeof(struct pthread_attr)); *attr = pattr; return (0); } __weak_reference(_pthread_attr_destroy, pthread_attr_destroy); int _pthread_attr_destroy(pthread_attr_t *attr) { if (attr == NULL || *attr == NULL) return (EINVAL); free(*attr); *attr = NULL; return (0); } __weak_reference(_pthread_attr_setcreatesuspend_np, pthread_attr_setcreatesuspend_np); int _pthread_attr_setcreatesuspend_np(pthread_attr_t *attr) { if (attr == NULL || *attr == NULL) { errno = EINVAL; return (-1); } (*attr)->suspend = PTHREAD_CREATE_SUSPENDED; return (0); } __weak_reference(_pthread_attr_setdetachstate, pthread_attr_setdetachstate); int _pthread_attr_setdetachstate(pthread_attr_t *attr, int detachstate) { if (attr == NULL || *attr == NULL || (detachstate != PTHREAD_CREATE_DETACHED && detachstate != PTHREAD_CREATE_JOINABLE)) return (EINVAL); if (detachstate == PTHREAD_CREATE_DETACHED) (*attr)->flags |= PTHREAD_DETACHED; else (*attr)->flags &= ~PTHREAD_DETACHED; return (0); } __weak_reference(_pthread_attr_setguardsize, pthread_attr_setguardsize); int _pthread_attr_setguardsize(pthread_attr_t *attr, size_t guardsize) { if (attr == NULL || *attr == NULL) return (EINVAL); (*attr)->guardsize_attr = roundup(guardsize, _pthread_page_size); return (0); } __weak_reference(_pthread_attr_setinheritsched, pthread_attr_setinheritsched); int _pthread_attr_setinheritsched(pthread_attr_t *attr, int sched_inherit) { if (attr == NULL || *attr == NULL) return (EINVAL); (*attr)->sched_inherit = sched_inherit; return (0); } __weak_reference(_pthread_attr_setschedparam, pthread_attr_setschedparam); int _pthread_attr_setschedparam(pthread_attr_t *attr, const struct sched_param *param) { if (attr == NULL || *attr == NULL) return (EINVAL); if (param == NULL) return (ENOTSUP); if (param->sched_priority < PTHREAD_MIN_PRIORITY || param->sched_priority > PTHREAD_MAX_PRIORITY) return (ENOTSUP); (*attr)->prio = param->sched_priority; return (0); } __weak_reference(_pthread_attr_setschedpolicy, pthread_attr_setschedpolicy); int _pthread_attr_setschedpolicy(pthread_attr_t *attr, int policy) { if (attr == NULL || *attr == NULL) return (EINVAL); if (policy < SCHED_FIFO || policy > SCHED_RR) return (ENOTSUP); (*attr)->sched_policy = policy; return (0); } __weak_reference(_pthread_attr_setscope, pthread_attr_setscope); int _pthread_attr_setscope(pthread_attr_t *attr, int contentionscope) { if (attr == NULL || *attr == NULL) return (EINVAL); if (contentionscope != PTHREAD_SCOPE_PROCESS || contentionscope == PTHREAD_SCOPE_SYSTEM) /* We don't support PTHREAD_SCOPE_SYSTEM. */ return (ENOTSUP); (*attr)->flags |= contentionscope; return (0); } __weak_reference(_pthread_attr_setstack, pthread_attr_setstack); int _pthread_attr_setstack(pthread_attr_t *attr, void *stackaddr, size_t stacksize) { if (attr == NULL || *attr == NULL || stackaddr == NULL || stacksize < PTHREAD_STACK_MIN) return (EINVAL); (*attr)->stackaddr_attr = stackaddr; (*attr)->stacksize_attr = stacksize; return (0); } __weak_reference(_pthread_attr_setstackaddr, pthread_attr_setstackaddr); int _pthread_attr_setstackaddr(pthread_attr_t *attr, void *stackaddr) { if (attr == NULL || *attr == NULL || stackaddr == NULL) return (EINVAL); (*attr)->stackaddr_attr = stackaddr; return (0); } __weak_reference(_pthread_attr_setstacksize, pthread_attr_setstacksize); int _pthread_attr_setstacksize(pthread_attr_t *attr, size_t stacksize) { if (attr == NULL || *attr == NULL || stacksize < PTHREAD_STACK_MIN) return (EINVAL); (*attr)->stacksize_attr = stacksize; return (0); } __weak_reference(_pthread_attr_get_np, pthread_attr_get_np); int _pthread_attr_get_np(pthread_t pid, pthread_attr_t *dst) { int ret; if (pid == NULL || dst == NULL || *dst == NULL) return (EINVAL); if ((ret = _find_thread(pid)) != 0) return (ret); memcpy(*dst, &pid->attr, sizeof(struct pthread_attr)); /* * Special case, if stack address was not provided by caller * of pthread_create(), then return address allocated internally */ if ((*dst)->stackaddr_attr == NULL) (*dst)->stackaddr_attr = pid->stack; return (0); } __weak_reference(_pthread_attr_getdetachstate, pthread_attr_getdetachstate); int _pthread_attr_getdetachstate(const pthread_attr_t *attr, int *detachstate) { if (attr == NULL || *attr == NULL || detachstate == NULL) return (EINVAL); /* Check if the detached flag is set: */ if ((*attr)->flags & PTHREAD_DETACHED) *detachstate = PTHREAD_CREATE_DETACHED; else *detachstate = PTHREAD_CREATE_JOINABLE; return (0); } __weak_reference(_pthread_attr_getguardsize, pthread_attr_getguardsize); int _pthread_attr_getguardsize(const pthread_attr_t *attr, size_t *guardsize) { if (attr == NULL || *attr == NULL || guardsize == NULL) return (EINVAL); *guardsize = (*attr)->guardsize_attr; return (0); } __weak_reference(_pthread_attr_getinheritsched, pthread_attr_getinheritsched); int _pthread_attr_getinheritsched(const pthread_attr_t *attr, int *sched_inherit) { if (attr == NULL || *attr == NULL) return (EINVAL); *sched_inherit = (*attr)->sched_inherit; return (0); } __weak_reference(_pthread_attr_getschedparam, pthread_attr_getschedparam); int _pthread_attr_getschedparam(const pthread_attr_t *attr, struct sched_param *param) { if (attr == NULL || *attr == NULL || param == NULL) return (EINVAL); param->sched_priority = (*attr)->prio; return (0); } __weak_reference(_pthread_attr_getschedpolicy, pthread_attr_getschedpolicy); int _pthread_attr_getschedpolicy(const pthread_attr_t *attr, int *policy) { if (attr == NULL || *attr == NULL || policy == NULL) return (EINVAL); *policy = (*attr)->sched_policy; return (0); } __weak_reference(_pthread_attr_getscope, pthread_attr_getscope); int _pthread_attr_getscope(const pthread_attr_t *attr, int *contentionscope) { if (attr == NULL || *attr == NULL || contentionscope == NULL) return (EINVAL); *contentionscope = (*attr)->flags & PTHREAD_SCOPE_SYSTEM ? PTHREAD_SCOPE_SYSTEM : PTHREAD_SCOPE_PROCESS; return (0); } __weak_reference(_pthread_attr_getstack, pthread_attr_getstack); int _pthread_attr_getstack(const pthread_attr_t * __restrict attr, void ** __restrict stackaddr, size_t * __restrict stacksize) { if (attr == NULL || *attr == NULL || stackaddr == NULL || stacksize == NULL) return (EINVAL); *stackaddr = (*attr)->stackaddr_attr; *stacksize = (*attr)->stacksize_attr; return (0); } __weak_reference(_pthread_attr_getstackaddr, pthread_attr_getstackaddr); int _pthread_attr_getstackaddr(const pthread_attr_t *attr, void **stackaddr) { if (attr == NULL || *attr == NULL || stackaddr == NULL) return (EINVAL); *stackaddr = (*attr)->stackaddr_attr; return (0); } __weak_reference(_pthread_attr_getstacksize, pthread_attr_getstacksize); int _pthread_attr_getstacksize(const pthread_attr_t *attr, size_t *stacksize) { if (attr == NULL || *attr == NULL || stacksize == NULL) return (EINVAL); *stacksize = (*attr)->stacksize_attr; return (0); }