pthread.h revision 19637
113547Sjulian/* 213547Sjulian * Copyright (c) 1993, 1994 by Chris Provenzano, proven@mit.edu 313547Sjulian * Copyright (c) 1995 by John Birrell <jb@cimlogic.com.au> 413547Sjulian * All rights reserved. 513547Sjulian * 613547Sjulian * Redistribution and use in source and binary forms, with or without 713547Sjulian * modification, are permitted provided that the following conditions 813547Sjulian * are met: 913547Sjulian * 1. Redistributions of source code must retain the above copyright 1013547Sjulian * notice, this list of conditions and the following disclaimer. 1113547Sjulian * 2. Redistributions in binary form must reproduce the above copyright 1213547Sjulian * notice, this list of conditions and the following disclaimer in the 1313547Sjulian * documentation and/or other materials provided with the distribution. 1413547Sjulian * 3. All advertising materials mentioning features or use of this software 1513547Sjulian * must display the following acknowledgement: 1613547Sjulian * This product includes software developed by Chris Provenzano. 1713547Sjulian * 4. The name of Chris Provenzano may not be used to endorse or promote 1813547Sjulian * products derived from this software without specific prior written 1913547Sjulian * permission. 2013547Sjulian * 2113547Sjulian * THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``AS IS'' AND 2213547Sjulian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2313547Sjulian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2413547Sjulian * ARE DISCLAIMED. IN NO EVENT SHALL CHRIS PROVENZANO BE LIABLE FOR ANY 2513547Sjulian * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 2613547Sjulian * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 2713547Sjulian * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 2813547Sjulian * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2913547Sjulian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3013547Sjulian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3113547Sjulian * SUCH DAMAGE. 3213547Sjulian * 3313547Sjulian */ 3413547Sjulian#ifndef _PTHREAD_H_ 3513547Sjulian#define _PTHREAD_H_ 3613547Sjulian 3713547Sjulian/* 3813547Sjulian * Header files. 3913547Sjulian */ 4013547Sjulian#include <sys/cdefs.h> 4113547Sjulian#include <sys/types.h> 4213547Sjulian#include <sys/time.h> 4317706Sjulian#include <sys/signal.h> 4417706Sjulian#include <limits.h> 4513547Sjulian 4613547Sjulian/* 4717706Sjulian * Run-time invariant values: 4813547Sjulian */ 4917706Sjulian#define PTHREAD_DESTRUCTOR_ITERATIONS 4 5017706Sjulian#define PTHREAD_KEYS_MAX 256 5117706Sjulian#define PTHREAD_STACK_MIN 1024 5217706Sjulian#define PTHREAD_THREADS_MAX ULONG_MAX 5313547Sjulian 5413547Sjulian/* 5517706Sjulian * Compile time symbolic constants for portability specifications: 5617706Sjulian * 5717706Sjulian * Note that those commented out are not currently supported by the 5817706Sjulian * implementation. 5913547Sjulian */ 6017706Sjulian#define _POSIX_THREADS 6117706Sjulian#define _POSIX_THREAD_ATTR_STACKADDR 6217706Sjulian#define _POSIX_THREAD_ATTR_STACKSIZE 6317706Sjulian#define _POSIX_THREAD_PRIORITY_SCHEDULING 6417706Sjulian/* #define _POSIX_THREAD_PRIO_INHERIT */ 6517706Sjulian/* #define _POSIX_THREAD_PRIO_PROTECT */ 6617706Sjulian/* #define _POSIX_THREAD_PROCESS_SHARED */ 6717706Sjulian#define _POSIX_THREAD_SAFE_FUNCTIONS 6813547Sjulian 6913547Sjulian/* 7017706Sjulian * Forward structure definitions. 7117706Sjulian * 7217706Sjulian * These are mostly opaque to the user. 7313547Sjulian */ 7417706Sjulianstruct pthread; 7517706Sjulianstruct pthread_attr; 7617706Sjulianstruct pthread_cond; 7717706Sjulianstruct pthread_cond_attr; 7817706Sjulianstruct pthread_mutex; 7917706Sjulianstruct pthread_mutex_attr; 8017706Sjulianstruct pthread_once; 8117706Sjulianstruct sched_param; 8213547Sjulian 8313547Sjulian/* 8417706Sjulian * Primitive system data type definitions required by P1003.1c. 8517706Sjulian * 8617706Sjulian * Note that P1003.1c specifies that there are no defined comparison 8717706Sjulian * or assignment operators for the types pthread_attr_t, pthread_cond_t, 8817706Sjulian * pthread_condattr_t, pthread_mutex_t, pthread_mutexattr_t. 8913547Sjulian */ 9017706Sjuliantypedef struct pthread *pthread_t; 9117706Sjuliantypedef struct pthread_attr *pthread_attr_t; 9217706Sjuliantypedef struct pthread_mutex *pthread_mutex_t; 9317706Sjuliantypedef struct pthread_mutex_attr *pthread_mutexattr_t; 9417706Sjuliantypedef struct pthread_cond *pthread_cond_t; 9517706Sjuliantypedef struct pthread_cond_attr *pthread_condattr_t; 9617706Sjuliantypedef int pthread_key_t; 9717706Sjuliantypedef struct pthread_once pthread_once_t; 9813547Sjulian 9913547Sjulian/* 10017706Sjulian * Additional type definitions: 10117706Sjulian * 10217706Sjulian * Note that P1003.1c reserves the prefixes pthread_ and PTHREAD_ for 10317706Sjulian * use in header symbols. 10413547Sjulian */ 10517706Sjuliantypedef void *pthread_addr_t; 10617706Sjuliantypedef void *(*pthread_startroutine_t) (void *); 10713547Sjulian 10813547Sjulian/* 10913547Sjulian * Once definitions. 11013547Sjulian */ 11113547Sjulianstruct pthread_once { 11217706Sjulian int state; 11317706Sjulian pthread_mutex_t mutex; 11413547Sjulian}; 11513547Sjulian 11613547Sjulian/* 11713547Sjulian * Flags for once initialization. 11813547Sjulian */ 11913547Sjulian#define PTHREAD_NEEDS_INIT 0 12013547Sjulian#define PTHREAD_DONE_INIT 1 12113547Sjulian 12213547Sjulian/* 12313547Sjulian * Static once initialization values. 12413547Sjulian */ 12517706Sjulian#define PTHREAD_ONCE_INIT { PTHREAD_NEEDS_INIT, NULL } 12613547Sjulian 12713547Sjulian/* 12813547Sjulian * Default attribute arguments. 12913547Sjulian */ 13013547Sjulian#define pthread_condattr_default NULL 13119637Shsu#ifndef PTHREAD_KERNEL 13213547Sjulian#define pthread_mutexattr_default NULL 13313547Sjulian#define pthread_attr_default NULL 13413547Sjulian#endif 13513547Sjulian 13619637Shsuenum pthread_mutextype { 13719637Shsu MUTEX_TYPE_FAST = 1, 13819637Shsu MUTEX_TYPE_COUNTING_FAST = 2, /* Recursive */ 13919637Shsu MUTEX_TYPE_MAX 14019637Shsu}; 14119637Shsu 14213547Sjulian/* 14313547Sjulian * Thread function prototype definitions: 14413547Sjulian */ 14513547Sjulian__BEGIN_DECLS 14617706Sjulianint pthread_attr_destroy __P((pthread_attr_t *)); 14717706Sjulianint pthread_attr_getinheritsched __P((pthread_attr_t *, int *)); 14817706Sjulianint pthread_attr_getschedparam __P((pthread_attr_t *, 14917706Sjulian struct sched_param *)); 15017706Sjulianint pthread_attr_getschedpolicy __P((pthread_attr_t *, int *)); 15117706Sjulianint pthread_attr_getscope __P((pthread_attr_t *, int *)); 15217706Sjulianint pthread_attr_getstacksize __P((pthread_attr_t *, size_t *)); 15317706Sjulianint pthread_attr_getstackaddr __P((pthread_attr_t *, void **)); 15417706Sjulianint pthread_attr_getdetachstate __P((pthread_attr_t *, int *)); 15517706Sjulianint pthread_attr_init __P((pthread_attr_t *)); 15617706Sjulianint pthread_attr_setinheritsched __P((pthread_attr_t *, int)); 15717706Sjulianint pthread_attr_setschedparam __P((pthread_attr_t *, 15817706Sjulian struct sched_param *)); 15917706Sjulianint pthread_attr_setschedpolicy __P((pthread_attr_t *, int)); 16017706Sjulianint pthread_attr_setscope __P((pthread_attr_t *, int)); 16117706Sjulianint pthread_attr_setstacksize __P((pthread_attr_t *, size_t)); 16217706Sjulianint pthread_attr_setstackaddr __P((pthread_attr_t *, void *)); 16317706Sjulianint pthread_attr_setdetachstate __P((pthread_attr_t *, int)); 16417706Sjulianvoid pthread_cleanup_pop __P((int execute)); 16517706Sjulianint pthread_cleanup_push __P((void (*routine) (void *), 16617706Sjulian void *routine_arg)); 16717706Sjulianint pthread_condattr_destroy __P((pthread_condattr_t *attr)); 16817706Sjulianint pthread_condattr_init __P((pthread_condattr_t *attr)); 16917706Sjulianint pthread_condattr_getpshared __P((pthread_condattr_t *attr, 17017706Sjulian int *pshared)); 17117706Sjulianint pthread_condattr_setpshared __P((pthread_condattr_t *attr, 17217706Sjulian int pshared)); 17317706Sjulianint pthread_cond_broadcast __P((pthread_cond_t *)); 17417706Sjulianint pthread_cond_destroy __P((pthread_cond_t *)); 17517706Sjulianint pthread_cond_init __P((pthread_cond_t *, 17617706Sjulian const pthread_condattr_t *)); 17717706Sjulianint pthread_cond_signal __P((pthread_cond_t *)); 17817706Sjulianint pthread_cond_timedwait __P((pthread_cond_t *, 17917706Sjulian pthread_mutex_t *, const struct timespec * abstime)); 18017706Sjulianint pthread_cond_wait __P((pthread_cond_t *, pthread_mutex_t *)); 18117706Sjulianint pthread_create __P((pthread_t *, const pthread_attr_t *, 18217706Sjulian void *(*start_routine) (void *), void *)); 18317706Sjulianint pthread_detach __P((pthread_t *)); 18417706Sjulianint pthread_equal __P((pthread_t, pthread_t)); 18517706Sjulianvoid pthread_exit __P((void *)); 18619637Shsuvoid *pthread_getspecific __P((pthread_key_t)); 18717706Sjulianint pthread_join __P((pthread_t, void **)); 18817706Sjulianint pthread_key_create __P((pthread_key_t *, 18917706Sjulian void (*routine) (void *))); 19017706Sjulianint pthread_key_delete __P((pthread_key_t)); 19117706Sjulianint pthread_kill __P((struct pthread *, int)); 19217706Sjulianint pthread_mutexattr_destroy __P((pthread_mutexattr_t *)); 19317706Sjulianint pthread_mutexattr_getprioceiling __P((pthread_mutexattr_t *, 19417706Sjulian int *prioceiling)); 19517706Sjulianint pthread_mutexattr_getprotocol __P((pthread_mutexattr_t *, 19617706Sjulian int *protocol)); 19717706Sjulianint pthread_mutexattr_getpshared __P((pthread_mutexattr_t *, 19817706Sjulian int *pshared)); 19917706Sjulianint pthread_mutexattr_init __P((pthread_mutexattr_t *)); 20017706Sjulianint pthread_mutexattr_setprioceiling __P((pthread_mutexattr_t *, 20117706Sjulian int prioceiling)); 20217706Sjulianint pthread_mutexattr_setprotocol __P((pthread_mutexattr_t *, 20317706Sjulian int protocol)); 20417706Sjulianint pthread_mutexattr_setpshared __P((pthread_mutexattr_t *, 20517706Sjulian int pshared)); 20617706Sjulianint pthread_mutex_destroy __P((pthread_mutex_t *)); 20717706Sjulianint pthread_mutex_getprioceiling __P((pthread_mutex_t *)); 20817706Sjulianint pthread_mutex_init __P((pthread_mutex_t *, 20917706Sjulian const pthread_mutexattr_t *)); 21017706Sjulianint pthread_mutex_lock __P((pthread_mutex_t *)); 21117706Sjulianint pthread_mutex_setprioceiling __P((pthread_mutex_t *)); 21217706Sjulianint pthread_mutex_trylock __P((pthread_mutex_t *)); 21317706Sjulianint pthread_mutex_unlock __P((pthread_mutex_t *)); 21417706Sjulianint pthread_once __P((pthread_once_t *, 21517706Sjulian void (*init_routine) (void))); 21617706Sjulianpthread_t pthread_self __P((void)); 21717706Sjulianint pthread_setcancelstate __P((int, int *)); 21817706Sjulianint pthread_setcanceltype __P((int, int *)); 21917706Sjulianint pthread_setspecific __P((pthread_key_t, const void *)); 22017706Sjulianint pthread_sigmask __P((int, const sigset_t *, sigset_t *)); 22117706Sjulianint pthread_testcancel __P((void)); 22217706Sjulian 22317706Sjulian 22417706Sjulianint pthread_getprio __P((pthread_t)); 22517706Sjulianint pthread_setprio __P((pthread_t, int)); 22617706Sjulianvoid pthread_yield __P((void)); 22717706Sjulianint pthread_setschedparam __P((pthread_t pthread, int policy, 22817706Sjulian struct sched_param * param)); 22917706Sjulianint pthread_getschedparam __P((pthread_t pthread, int *policy, 23017706Sjulian struct sched_param * param)); 23117706Sjulianint pthread_attr_setfloatstate __P((pthread_attr_t *, int)); 23217706Sjulianint pthread_attr_getfloatstate __P((pthread_attr_t *, int *)); 23317706Sjulianint pthread_attr_setcleanup __P((pthread_attr_t *, 23417706Sjulian void (*routine) (void *), void *)); 23513547Sjulian__END_DECLS 23613547Sjulian 23713547Sjulian#endif 238