pthread.h revision 1.1.2.17
1 /* $NetBSD: pthread.h,v 1.1.2.17 2002/11/03 12:26:30 skrll 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 #include <signal.h> /* For sigset_t. XXX pthread_sigmask should 47 * be in signal.h instead of here. 48 */ 49 #include "pthread_types.h" 50 51 __BEGIN_DECLS 52 int pthread_create(pthread_t *thread, const pthread_attr_t *attr, 53 void *(*startfunc)(void *), void *arg); 54 void pthread_exit(void *retval) __attribute__((__noreturn__)); 55 int pthread_join(pthread_t thread, void **valptr); 56 int pthread_equal(pthread_t t1, pthread_t t2); 57 pthread_t pthread_self(void); 58 int pthread_detach(pthread_t thread); 59 60 int pthread_kill(pthread_t thread, int sig); 61 int pthread_sigmask(int how, const sigset_t *set, sigset_t *oset); 62 63 int pthread_getrrtimer_np(void); 64 int pthread_setrrtimer_np(int); 65 66 int pthread_attr_destroy(pthread_attr_t *attr); 67 int pthread_attr_getdetachstate(pthread_attr_t *attr, int *detachstate); 68 int pthread_attr_init(pthread_attr_t *attr); 69 int pthread_attr_setdetachstate(pthread_attr_t *attr, int detachstate); 70 int pthread_attr_setschedparam(pthread_attr_t *attr, 71 const struct sched_param *param); 72 int pthread_attr_getschedparam(pthread_attr_t *attr, 73 struct sched_param *param); 74 75 int pthread_mutex_init(pthread_mutex_t *mutex, 76 const pthread_mutexattr_t *attr); 77 int pthread_mutex_destroy(pthread_mutex_t *mutex); 78 int pthread_mutex_lock(pthread_mutex_t *mutex); 79 int pthread_mutex_trylock(pthread_mutex_t *mutex); 80 int pthread_mutex_unlock(pthread_mutex_t *mutex); 81 int pthread_mutexattr_init(pthread_mutexattr_t *attr); 82 int pthread_mutexattr_destroy(pthread_mutexattr_t *attr); 83 84 int pthread_cond_init(pthread_cond_t *cond, 85 const pthread_condattr_t *attr); 86 int pthread_cond_destroy(pthread_cond_t *cond); 87 int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex); 88 int pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex, 89 const struct timespec *abstime); 90 int pthread_cond_signal(pthread_cond_t *cond); 91 int pthread_cond_broadcast(pthread_cond_t *cond); 92 int pthread_condattr_init(pthread_condattr_t *attr); 93 int pthread_condattr_destroy(pthread_condattr_t *attr); 94 95 int pthread_once(pthread_once_t *once_control, void (*routine)(void)); 96 97 int pthread_key_create(pthread_key_t *key, void (*destructor)(void *)); 98 int pthread_key_delete(pthread_key_t key); 99 int pthread_setspecific(pthread_key_t key, const void *value); 100 void* pthread_getspecific(pthread_key_t key); 101 102 int pthread_cancel(pthread_t thread); 103 int pthread_setcancelstate(int state, int *oldstate); 104 int pthread_setcanceltype(int type, int *oldtype); 105 void pthread_testcancel(void); 106 107 struct pthread_cleanup_store { 108 void *pad[4]; 109 }; 110 111 #define pthread_cleanup_push(routine,arg) \ 112 { \ 113 struct pthread_cleanup_store __store; \ 114 pthread__cleanup_push((routine),(arg), &__store); 115 116 #define pthread_cleanup_pop(execute) \ 117 pthread__cleanup_pop((execute), &__store); \ 118 } 119 120 void pthread__cleanup_push(void (*routine)(void *), void *arg, void *store); 121 void pthread__cleanup_pop(int execute, void *store); 122 123 int pthread_spin_init(pthread_spinlock_t *lock, int pshared); 124 int pthread_spin_destroy(pthread_spinlock_t *lock); 125 int pthread_spin_lock(pthread_spinlock_t *lock); 126 int pthread_spin_trylock(pthread_spinlock_t *lock); 127 int pthread_spin_unlock(pthread_spinlock_t *lock); 128 129 int pthread_rwlock_init(pthread_rwlock_t *rwlock, 130 const pthread_rwlockattr_t *attr); 131 int pthread_rwlock_destroy(pthread_rwlock_t *rwlock); 132 int pthread_rwlock_rdlock(pthread_rwlock_t *rwlock); 133 int pthread_rwlock_tryrdlock(pthread_rwlock_t *rwlock); 134 int pthread_rwlock_wrlock(pthread_rwlock_t *rwlock); 135 int pthread_rwlock_trywrlock(pthread_rwlock_t *rwlock); 136 int pthread_rwlock_timedrdlock(pthread_rwlock_t *rwlock, 137 const struct timespec *abs_timeout); 138 int pthread_rwlock_timedwrlock(pthread_rwlock_t *rwlock, 139 const struct timespec *abs_timeout); 140 int pthread_rwlock_unlock(pthread_rwlock_t *rwlock); 141 int pthread_rwlockattr_init(pthread_rwlockattr_t *attr); 142 int pthread_rwlockattr_destroy(pthread_rwlockattr_t *attr); 143 144 int *pthread__errno(void); 145 __END_DECLS 146 147 #define PTHREAD_CREATE_JOINABLE 0 148 #define PTHREAD_CREATE_DETACHED 1 149 150 #define PTHREAD_PROCESS_PRIVATE 0 151 #define PTHREAD_PROCESS_SHARED 1 152 153 #define PTHREAD_CANCEL_DEFERRED 0 154 #define PTHREAD_CANCEL_ASYNCHRONOUS 1 155 156 #define PTHREAD_CANCEL_ENABLE 0 157 #define PTHREAD_CANCEL_DISABLE 1 158 159 /* 160 * POSIX 1003.1-2001, section 2.5.9.3: "The symbolic constant 161 * PTHREAD_CANCELED expands to a constant expression of type (void *) 162 * whose value matches no pointer to an object in memory nor the value 163 * NULL." 164 */ 165 #define PTHREAD_CANCELED ((void *) 1) 166 167 #define _POSIX_THREADS 168 169 #define PTHREAD_DESTRUCTOR_ITERATIONS 4 /* Min. required */ 170 #define PTHREAD_KEYS_MAX 256 171 #define PTHREAD_STACK_MIN 4096 /* XXX Pulled out of my butt */ 172 #define PTHREAD_THREADS_MAX 64 /* Min. required */ 173 174 typedef struct pthread_ops_st { 175 int (*mutex_init)(pthread_mutex_t *, const pthread_mutexattr_t *); 176 int (*mutex_lock)(pthread_mutex_t *); 177 int (*mutex_trylock)(pthread_mutex_t *); 178 int (*mutex_unlock)(pthread_mutex_t *); 179 int (*mutex_destroy)(pthread_mutex_t *); 180 int (*mutexattr_init)(pthread_mutexattr_t *); 181 int (*mutexattr_destroy)(pthread_mutexattr_t *); 182 183 int (*cond_init)(pthread_cond_t *, const pthread_condattr_t *); 184 int (*cond_signal)(pthread_cond_t *); 185 int (*cond_broadcast)(pthread_cond_t *); 186 int (*cond_wait)(pthread_cond_t *, pthread_mutex_t *); 187 int (*cond_timedwait)(pthread_cond_t *, pthread_mutex_t *, 188 const struct timespec *); 189 int (*cond_destroy)(pthread_cond_t *); 190 int (*condattr_init)(pthread_condattr_t *); 191 int (*condattr_destroy)(pthread_condattr_t *); 192 193 int (*thr_keycreate)(pthread_key_t *, void (*)(void *)); 194 int (*thr_setspecific)(pthread_key_t, const void *); 195 void *(*thr_getspecific)(pthread_key_t); 196 int (*thr_keydelete)(pthread_key_t); 197 198 int (*thr_once)(pthread_once_t *, void (*)(void)); 199 200 pthread_t (*thr_self)(void); 201 202 int (*thr_sigsetmask)(int, const sigset_t *, sigset_t *); 203 204 int *(*thr_errno)(void); 205 } pthread_ops_t; 206 207 208 #endif /* _LIB_PTHREAD_H */ 209
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