pthread.h revision 1.1.2.7
1 /* $NetBSD: pthread.h,v 1.1.2.7 2001/12/30 02:14:41 nathanw Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Nathan J. Williams. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _LIB_PTHREAD_H 40 #define _LIB_PTHREAD_H 41 42 43 #include <time.h> /* For timespec */ 44 #include <sched.h> 45 #include <signal.h> /* For sigset_t. XXX perhaps pthread_sigmask should 46 * be in signal.h instead of here. 47 */ 48 #include "pthread_types.h" 49 #include "sched.h" 50 51 int pthread_create(pthread_t *thread, const pthread_attr_t *attr, 52 void *(*startfunc)(void *), void *arg); 53 void pthread_exit(void *retval) __attribute__((__noreturn__)); 54 int pthread_join(pthread_t thread, void **valptr); 55 int pthread_equal(pthread_t t1, pthread_t t2); 56 pthread_t pthread_self(void); 57 int pthread_detach(pthread_t thread); 58 59 int pthread_kill(pthread_t thread, int sig); 60 int pthread_sigmask(int how, const sigset_t *set, sigset_t *oset); 61 62 int pthread_attr_destroy(pthread_attr_t *attr); 63 int pthread_attr_getdetachstate(pthread_attr_t *attr, int *detachstate); 64 int pthread_attr_init(pthread_attr_t *attr); 65 int pthread_attr_setdetachstate(pthread_attr_t *attr, int detachstate); 66 int pthread_attr_setschedparam(pthread_attr_t *attr, 67 const struct sched_param *param); 68 int pthread_attr_getschedparam(pthread_attr_t *attr, 69 struct sched_param *param); 70 71 int pthread_mutex_init(pthread_mutex_t *mutex, 72 const pthread_mutexattr_t *attr); 73 int pthread_mutex_destroy(pthread_mutex_t *mutex); 74 int pthread_mutex_lock(pthread_mutex_t *mutex); 75 int pthread_mutex_trylock(pthread_mutex_t *mutex); 76 int pthread_mutex_unlock(pthread_mutex_t *mutex); 77 int pthread_mutexattr_init(pthread_mutexattr_t *attr); 78 int pthread_mutexattr_destroy(pthread_mutexattr_t *attr); 79 80 int pthread_cond_init(pthread_cond_t *cond, 81 const pthread_condattr_t *attr); 82 int pthread_cond_destroy(pthread_cond_t *cond); 83 int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex); 84 int pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex, 85 const struct timespec *abstime); 86 int pthread_cond_signal(pthread_cond_t *cond); 87 int pthread_cond_broadcast(pthread_cond_t *cond); 88 int pthread_condattr_init(pthread_condattr_t *attr); 89 int pthread_condattr_destroy(pthread_condattr_t *attr); 90 91 int pthread_once(pthread_once_t *once_control, void (*routine)(void)); 92 93 int pthread_key_create(pthread_key_t *key, void (*destructor)(void *)); 94 int pthread_key_delete(pthread_key_t key); 95 int pthread_setspecific(pthread_key_t key, const void *value); 96 void* pthread_getspecific(pthread_key_t key); 97 98 int pthread_cancel(pthread_t thread); 99 int pthread_setcancelstate(int state, int *oldstate); 100 int pthread_setcanceltype(int type, int *oldtype); 101 void pthread_testcancel(void); 102 103 struct pthread_cleanup_store { 104 void *pad[4]; 105 }; 106 107 #define pthread_cleanup_push(routine,arg) \ 108 { \ 109 struct pthread_cleanup_store __store; \ 110 pthread__cleanup_push((routine),(arg), &__store); 111 112 #define pthread_cleanup_pop(execute) \ 113 pthread__cleanup_pop((execute), &__store); \ 114 } 115 116 void pthread__cleanup_push(void (*routine)(void *), void *arg, void *store); 117 void pthread__cleanup_pop(int execute, void *store); 118 119 void pthread_lockinit(pthread_spin_t *lock); 120 void pthread_spinlock(pthread_t thread, pthread_spin_t *lock); 121 int pthread_spintrylock(pthread_t thread, pthread_spin_t *lock); 122 void pthread_spinunlock(pthread_t thread, pthread_spin_t *lock); 123 124 int *pthread__errno(void); 125 126 #define PTHREAD_CREATE_JOINABLE 0 127 #define PTHREAD_CREATE_DETACHED 1 128 129 #define PTHREAD_PROCESS_PRIVATE 0 130 #define PTHREAD_PROCESS_SHARED 1 131 132 #define PTHREAD_CANCEL_DEFERRED 0 133 #define PTHREAD_CANCEL_ASYNCHRONOUS 1 134 135 #define PTHREAD_CANCEL_ENABLE 0 136 #define PTHREAD_CANCEL_DISABLE 1 137 138 /* POSIX 1003.1-2001, section 2.5.9.3: "The symbolic constant 139 * PTHREAD_CANCELLED expands to a constant expression of type (void *) 140 * whose value matches no pointer to an object in memory nor the value 141 * NULL." 142 */ 143 #define PTHREAD_CANCELLED ((void *) 1) 144 145 #define _POSIX_THREADS 146 147 #define PTHREAD_DESTRUCTOR_ITERATIONS 4 /* Min. required */ 148 #define PTHREAD_KEYS_MAX 256 149 #define PTHREAD_STACK_MIN 4096 /* XXX Pulled out of my butt */ 150 #define PTHREAD_THREADS_MAX 64 /* Min. required */ 151 152 153 #endif /* _LIB_PTHREAD_H */ 154
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