pthread.h revision 1.1.2.21
1 /* $NetBSD: pthread.h,v 1.1.2.21 2003/01/16 03:35:44 thorpej 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 #include <sys/cdefs.h> 43 44 #include <time.h> /* For timespec */ 45 #include <sched.h> 46 47 #include "pthread_types.h" 48 49 __BEGIN_DECLS 50 int pthread_create(pthread_t *thread, const pthread_attr_t *attr, 51 void *(*startfunc)(void *), void *arg); 52 void pthread_exit(void *retval) __attribute__((__noreturn__)); 53 int pthread_join(pthread_t thread, void **valptr); 54 int pthread_equal(pthread_t t1, pthread_t t2); 55 pthread_t pthread_self(void); 56 int pthread_detach(pthread_t thread); 57 58 int pthread_kill(pthread_t thread, int sig); 59 60 int pthread_getrrtimer_np(void); 61 int pthread_setrrtimer_np(int); 62 63 int pthread_attr_destroy(pthread_attr_t *attr); 64 int pthread_attr_getdetachstate(pthread_attr_t *attr, int *detachstate); 65 int pthread_attr_init(pthread_attr_t *attr); 66 int pthread_attr_setdetachstate(pthread_attr_t *attr, int detachstate); 67 int pthread_attr_setschedparam(pthread_attr_t *attr, 68 const struct sched_param *param); 69 int pthread_attr_getschedparam(pthread_attr_t *attr, 70 struct sched_param *param); 71 72 int pthread_mutex_init(pthread_mutex_t *mutex, 73 const pthread_mutexattr_t *attr); 74 int pthread_mutex_destroy(pthread_mutex_t *mutex); 75 int pthread_mutex_lock(pthread_mutex_t *mutex); 76 int pthread_mutex_trylock(pthread_mutex_t *mutex); 77 int pthread_mutex_unlock(pthread_mutex_t *mutex); 78 int pthread_mutexattr_init(pthread_mutexattr_t *attr); 79 int pthread_mutexattr_destroy(pthread_mutexattr_t *attr); 80 int pthread_mutexattr_gettype(const pthread_mutexattr_t *attr, int *type); 81 int pthread_mutexattr_settype(pthread_mutexattr_t *attr, int type); 82 83 int pthread_cond_init(pthread_cond_t *cond, 84 const pthread_condattr_t *attr); 85 int pthread_cond_destroy(pthread_cond_t *cond); 86 int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex); 87 int pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex, 88 const struct timespec *abstime); 89 int pthread_cond_signal(pthread_cond_t *cond); 90 int pthread_cond_broadcast(pthread_cond_t *cond); 91 int pthread_condattr_init(pthread_condattr_t *attr); 92 int pthread_condattr_destroy(pthread_condattr_t *attr); 93 94 int pthread_once(pthread_once_t *once_control, void (*routine)(void)); 95 96 int pthread_key_create(pthread_key_t *key, void (*destructor)(void *)); 97 int pthread_key_delete(pthread_key_t key); 98 int pthread_setspecific(pthread_key_t key, const void *value); 99 void* pthread_getspecific(pthread_key_t key); 100 101 int pthread_cancel(pthread_t thread); 102 int pthread_setcancelstate(int state, int *oldstate); 103 int pthread_setcanceltype(int type, int *oldtype); 104 void pthread_testcancel(void); 105 106 struct pthread_cleanup_store { 107 void *pad[4]; 108 }; 109 110 #define pthread_cleanup_push(routine,arg) \ 111 { \ 112 struct pthread_cleanup_store __store; \ 113 pthread__cleanup_push((routine),(arg), &__store); 114 115 #define pthread_cleanup_pop(execute) \ 116 pthread__cleanup_pop((execute), &__store); \ 117 } 118 119 void pthread__cleanup_push(void (*routine)(void *), void *arg, void *store); 120 void pthread__cleanup_pop(int execute, void *store); 121 122 int pthread_spin_init(pthread_spinlock_t *lock, int pshared); 123 int pthread_spin_destroy(pthread_spinlock_t *lock); 124 int pthread_spin_lock(pthread_spinlock_t *lock); 125 int pthread_spin_trylock(pthread_spinlock_t *lock); 126 int pthread_spin_unlock(pthread_spinlock_t *lock); 127 128 int pthread_rwlock_init(pthread_rwlock_t *rwlock, 129 const pthread_rwlockattr_t *attr); 130 int pthread_rwlock_destroy(pthread_rwlock_t *rwlock); 131 int pthread_rwlock_rdlock(pthread_rwlock_t *rwlock); 132 int pthread_rwlock_tryrdlock(pthread_rwlock_t *rwlock); 133 int pthread_rwlock_wrlock(pthread_rwlock_t *rwlock); 134 int pthread_rwlock_trywrlock(pthread_rwlock_t *rwlock); 135 int pthread_rwlock_timedrdlock(pthread_rwlock_t *rwlock, 136 const struct timespec *abs_timeout); 137 int pthread_rwlock_timedwrlock(pthread_rwlock_t *rwlock, 138 const struct timespec *abs_timeout); 139 int pthread_rwlock_unlock(pthread_rwlock_t *rwlock); 140 int pthread_rwlockattr_init(pthread_rwlockattr_t *attr); 141 int pthread_rwlockattr_destroy(pthread_rwlockattr_t *attr); 142 143 int pthread_barrier_init(pthread_barrier_t *barrier, 144 const pthread_barrierattr_t *attr, unsigned int count); 145 int pthread_barrier_wait(pthread_barrier_t *barrier); 146 int pthread_barrier_destroy(pthread_barrier_t *barrier); 147 int pthread_barrierattr_init(pthread_barrierattr_t *attr); 148 int pthread_barrierattr_destroy(pthread_barrierattr_t *attr); 149 150 int *pthread__errno(void); 151 __END_DECLS 152 153 #define PTHREAD_CREATE_JOINABLE 0 154 #define PTHREAD_CREATE_DETACHED 1 155 156 #define PTHREAD_PROCESS_PRIVATE 0 157 #define PTHREAD_PROCESS_SHARED 1 158 159 #define PTHREAD_CANCEL_DEFERRED 0 160 #define PTHREAD_CANCEL_ASYNCHRONOUS 1 161 162 #define PTHREAD_CANCEL_ENABLE 0 163 #define PTHREAD_CANCEL_DISABLE 1 164 165 #define PTHREAD_BARRIER_SERIAL_THREAD 1234567 166 167 /* 168 * POSIX 1003.1-2001, section 2.5.9.3: "The symbolic constant 169 * PTHREAD_CANCELED expands to a constant expression of type (void *) 170 * whose value matches no pointer to an object in memory nor the value 171 * NULL." 172 */ 173 #define PTHREAD_CANCELED ((void *) 1) 174 175 #define _POSIX_THREADS 176 177 #define PTHREAD_DESTRUCTOR_ITERATIONS 4 /* Min. required */ 178 #define PTHREAD_KEYS_MAX 256 179 #define PTHREAD_STACK_MIN 4096 /* XXX Pulled out of my butt */ 180 #define PTHREAD_THREADS_MAX 64 /* Min. required */ 181 182 /* 183 * Mutex attributes. 184 */ 185 #define PTHREAD_MUTEX_NORMAL 0 186 #define PTHREAD_MUTEX_ERRORCHECK 1 187 #define PTHREAD_MUTEX_RECURSIVE 2 188 #define PTHREAD_MUTEX_DEFAULT PTHREAD_MUTEX_NORMAL 189 190 #endif /* _LIB_PTHREAD_H */ 191
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