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/* * Copyright (c) 1993, 1994 by Chris Provenzano, proven@mit.edu * Copyright (c) 1995-1998 by John Birrell <jb@cimlogic.com.au> * 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 Chris Provenzano. * 4. The name of Chris Provenzano may not be used to endorse or promote * products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``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 CHRIS PROVENZANO 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: release/9.1.0/include/pthread.h 217039 2011-01-06 03:30:16Z davidxu $ */ #ifndef _PTHREAD_H_ #define _PTHREAD_H_ /* * Header files. */ #include <sys/cdefs.h> #include <sys/_pthreadtypes.h> #include <machine/_limits.h> #include <machine/_types.h> #include <sys/_sigset.h> #include <sched.h> #include <time.h> /* * Run-time invariant values: */ #define PTHREAD_DESTRUCTOR_ITERATIONS 4 #define PTHREAD_KEYS_MAX 256 #define PTHREAD_STACK_MIN __MINSIGSTKSZ #define PTHREAD_THREADS_MAX __ULONG_MAX #define PTHREAD_BARRIER_SERIAL_THREAD -1 /* * Flags for threads and thread attributes. */ #define PTHREAD_DETACHED 0x1 #define PTHREAD_SCOPE_SYSTEM 0x2 #define PTHREAD_INHERIT_SCHED 0x4 #define PTHREAD_NOFLOAT 0x8 #define PTHREAD_CREATE_DETACHED PTHREAD_DETACHED #define PTHREAD_CREATE_JOINABLE 0 #define PTHREAD_SCOPE_PROCESS 0 #define PTHREAD_EXPLICIT_SCHED 0 /* * Flags for read/write lock attributes */ #define PTHREAD_PROCESS_PRIVATE 0 #define PTHREAD_PROCESS_SHARED 1 /* * Flags for cancelling threads */ #define PTHREAD_CANCEL_ENABLE 0 #define PTHREAD_CANCEL_DISABLE 1 #define PTHREAD_CANCEL_DEFERRED 0 #define PTHREAD_CANCEL_ASYNCHRONOUS 2 #define PTHREAD_CANCELED ((void *) 1) /* * Flags for once initialization. */ #define PTHREAD_NEEDS_INIT 0 #define PTHREAD_DONE_INIT 1 /* * Static once initialization values. */ #define PTHREAD_ONCE_INIT { PTHREAD_NEEDS_INIT, NULL } /* * Static initialization values. */ #define PTHREAD_MUTEX_INITIALIZER NULL #define PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP ((pthread_mutex_t)1) #define PTHREAD_COND_INITIALIZER NULL #define PTHREAD_RWLOCK_INITIALIZER NULL /* * Default attribute arguments (draft 4, deprecated). */ #ifndef PTHREAD_KERNEL #define pthread_condattr_default NULL #define pthread_mutexattr_default NULL #define pthread_attr_default NULL #endif #define PTHREAD_PRIO_NONE 0 #define PTHREAD_PRIO_INHERIT 1 #define PTHREAD_PRIO_PROTECT 2 /* * Mutex types (Single UNIX Specification, Version 2, 1997). * * Note that a mutex attribute with one of the following types: * * PTHREAD_MUTEX_NORMAL * PTHREAD_MUTEX_RECURSIVE * * will deviate from POSIX specified semantics. */ enum pthread_mutextype { PTHREAD_MUTEX_ERRORCHECK = 1, /* Default POSIX mutex */ PTHREAD_MUTEX_RECURSIVE = 2, /* Recursive mutex */ PTHREAD_MUTEX_NORMAL = 3, /* No error checking */ PTHREAD_MUTEX_ADAPTIVE_NP = 4, /* Adaptive mutex, spins briefly before blocking on lock */ PTHREAD_MUTEX_TYPE_MAX }; #define PTHREAD_MUTEX_DEFAULT PTHREAD_MUTEX_ERRORCHECK struct _pthread_cleanup_info { __uintptr_t pthread_cleanup_pad[8]; }; /* * Thread function prototype definitions: */ __BEGIN_DECLS int pthread_atfork(void (*)(void), void (*)(void), void (*)(void)); int pthread_attr_destroy(pthread_attr_t *); int pthread_attr_getstack(const pthread_attr_t * __restrict, void ** __restrict, size_t * __restrict); int pthread_attr_getstacksize(const pthread_attr_t *, size_t *); int pthread_attr_getguardsize(const pthread_attr_t *, size_t *); int pthread_attr_getstackaddr(const pthread_attr_t *, void **); int pthread_attr_getdetachstate(const pthread_attr_t *, int *); int pthread_attr_init(pthread_attr_t *); int pthread_attr_setstacksize(pthread_attr_t *, size_t); int pthread_attr_setguardsize(pthread_attr_t *, size_t); int pthread_attr_setstack(pthread_attr_t *, void *, size_t); int pthread_attr_setstackaddr(pthread_attr_t *, void *); int pthread_attr_setdetachstate(pthread_attr_t *, int); int pthread_barrier_destroy(pthread_barrier_t *); int pthread_barrier_init(pthread_barrier_t *, const pthread_barrierattr_t *, unsigned); int pthread_barrier_wait(pthread_barrier_t *); int pthread_barrierattr_destroy(pthread_barrierattr_t *); int pthread_barrierattr_getpshared(const pthread_barrierattr_t *, int *); int pthread_barrierattr_init(pthread_barrierattr_t *); int pthread_barrierattr_setpshared(pthread_barrierattr_t *, int); #define pthread_cleanup_push(cleanup_routine, cleanup_arg) \ { \ struct _pthread_cleanup_info __cleanup_info__; \ __pthread_cleanup_push_imp(cleanup_routine, cleanup_arg,\ &__cleanup_info__); \ { #define pthread_cleanup_pop(execute) \ } \ __pthread_cleanup_pop_imp(execute); \ } int pthread_condattr_destroy(pthread_condattr_t *); int pthread_condattr_getclock(const pthread_condattr_t *, clockid_t *); int pthread_condattr_getpshared(const pthread_condattr_t *, int *); int pthread_condattr_init(pthread_condattr_t *); int pthread_condattr_setclock(pthread_condattr_t *, clockid_t); int pthread_condattr_setpshared(pthread_condattr_t *, int); int pthread_cond_broadcast(pthread_cond_t *); int pthread_cond_destroy(pthread_cond_t *); int pthread_cond_init(pthread_cond_t *, const pthread_condattr_t *); int pthread_cond_signal(pthread_cond_t *); int pthread_cond_timedwait(pthread_cond_t *, pthread_mutex_t *, const struct timespec *); int pthread_cond_wait(pthread_cond_t *, pthread_mutex_t *); int pthread_create(pthread_t *, const pthread_attr_t *, void *(*) (void *), void *); int pthread_detach(pthread_t); int pthread_equal(pthread_t, pthread_t); void pthread_exit(void *) __dead2; void *pthread_getspecific(pthread_key_t); int pthread_getcpuclockid(pthread_t, clockid_t *); int pthread_join(pthread_t, void **); int pthread_key_create(pthread_key_t *, void (*) (void *)); int pthread_key_delete(pthread_key_t); int pthread_mutexattr_init(pthread_mutexattr_t *); int pthread_mutexattr_destroy(pthread_mutexattr_t *); int pthread_mutexattr_getpshared(const pthread_mutexattr_t *, int *); int pthread_mutexattr_gettype(pthread_mutexattr_t *, int *); int pthread_mutexattr_settype(pthread_mutexattr_t *, int); int pthread_mutexattr_setpshared(pthread_mutexattr_t *, int); int pthread_mutex_destroy(pthread_mutex_t *); int pthread_mutex_init(pthread_mutex_t *, const pthread_mutexattr_t *); int pthread_mutex_lock(pthread_mutex_t *); int pthread_mutex_trylock(pthread_mutex_t *); int pthread_mutex_timedlock(pthread_mutex_t *, const struct timespec *); int pthread_mutex_unlock(pthread_mutex_t *); int pthread_once(pthread_once_t *, void (*) (void)); int pthread_rwlock_destroy(pthread_rwlock_t *); int pthread_rwlock_init(pthread_rwlock_t *, const pthread_rwlockattr_t *); int pthread_rwlock_rdlock(pthread_rwlock_t *); int pthread_rwlock_timedrdlock(pthread_rwlock_t *, const struct timespec *); int pthread_rwlock_timedwrlock(pthread_rwlock_t *, const struct timespec *); int pthread_rwlock_tryrdlock(pthread_rwlock_t *); int pthread_rwlock_trywrlock(pthread_rwlock_t *); int pthread_rwlock_unlock(pthread_rwlock_t *); int pthread_rwlock_wrlock(pthread_rwlock_t *); int pthread_rwlockattr_destroy(pthread_rwlockattr_t *); int pthread_rwlockattr_getkind_np(const pthread_rwlockattr_t *, int *); int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *, int *); int pthread_rwlockattr_init(pthread_rwlockattr_t *); int pthread_rwlockattr_setkind_np(pthread_rwlockattr_t *, int); int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *, int); pthread_t pthread_self(void); int pthread_setspecific(pthread_key_t, const void *); int pthread_spin_init(pthread_spinlock_t *, int); int pthread_spin_destroy(pthread_spinlock_t *); int pthread_spin_lock(pthread_spinlock_t *); int pthread_spin_trylock(pthread_spinlock_t *); int pthread_spin_unlock(pthread_spinlock_t *); int pthread_cancel(pthread_t); int pthread_setcancelstate(int, int *); int pthread_setcanceltype(int, int *); void pthread_testcancel(void); #if __BSD_VISIBLE int pthread_getprio(pthread_t); int pthread_setprio(pthread_t, int); void pthread_yield(void); #endif int pthread_mutexattr_getprioceiling(pthread_mutexattr_t *, int *); int pthread_mutexattr_setprioceiling(pthread_mutexattr_t *, int); int pthread_mutex_getprioceiling(pthread_mutex_t *, int *); int pthread_mutex_setprioceiling(pthread_mutex_t *, int, int *); int pthread_mutexattr_getprotocol(pthread_mutexattr_t *, int *); int pthread_mutexattr_setprotocol(pthread_mutexattr_t *, int); int pthread_attr_getinheritsched(const pthread_attr_t *, int *); int pthread_attr_getschedparam(const pthread_attr_t *, struct sched_param *); int pthread_attr_getschedpolicy(const pthread_attr_t *, int *); int pthread_attr_getscope(const pthread_attr_t *, int *); int pthread_attr_setinheritsched(pthread_attr_t *, int); int pthread_attr_setschedparam(pthread_attr_t *, const struct sched_param *); int pthread_attr_setschedpolicy(pthread_attr_t *, int); int pthread_attr_setscope(pthread_attr_t *, int); int pthread_getschedparam(pthread_t pthread, int *, struct sched_param *); int pthread_setschedparam(pthread_t, int, const struct sched_param *); #if __XSI_VISIBLE int pthread_getconcurrency(void); int pthread_setconcurrency(int); #endif void __pthread_cleanup_push_imp(void (*)(void *), void *, struct _pthread_cleanup_info *); void __pthread_cleanup_pop_imp(int); __END_DECLS #endif