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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