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02ea638732
pthread_condattr_getpshared pthread_condattr_setpshared pthread_mutexattr_getpshared pthread_mutexattr_setpshared
271 lines
9.9 KiB
C
271 lines
9.9 KiB
C
/*
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* Copyright (c) 1993, 1994 by Chris Provenzano, proven@mit.edu
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* Copyright (c) 1995-1998 by John Birrell <jb@cimlogic.com.au>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Chris Provenzano.
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* 4. The name of Chris Provenzano may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL CHRIS PROVENZANO BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _PTHREAD_H_
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#define _PTHREAD_H_
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/*
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* Header files.
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*/
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#include <sys/cdefs.h>
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#include <sys/_pthreadtypes.h>
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#include <machine/_limits.h>
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#include <machine/_types.h>
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#include <sys/_sigset.h>
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#include <sched.h>
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#include <time.h>
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/*
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* Run-time invariant values:
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*/
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#define PTHREAD_DESTRUCTOR_ITERATIONS 4
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#define PTHREAD_KEYS_MAX 256
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#define PTHREAD_STACK_MIN __MINSIGSTKSZ
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#define PTHREAD_THREADS_MAX __ULONG_MAX
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#define PTHREAD_BARRIER_SERIAL_THREAD -1
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/*
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* Flags for threads and thread attributes.
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*/
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#define PTHREAD_DETACHED 0x1
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#define PTHREAD_SCOPE_SYSTEM 0x2
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#define PTHREAD_INHERIT_SCHED 0x4
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#define PTHREAD_NOFLOAT 0x8
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#define PTHREAD_CREATE_DETACHED PTHREAD_DETACHED
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#define PTHREAD_CREATE_JOINABLE 0
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#define PTHREAD_SCOPE_PROCESS 0
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#define PTHREAD_EXPLICIT_SCHED 0
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/*
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* Flags for read/write lock attributes
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*/
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#define PTHREAD_PROCESS_PRIVATE 0
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#define PTHREAD_PROCESS_SHARED 1
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/*
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* Flags for cancelling threads
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*/
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#define PTHREAD_CANCEL_ENABLE 0
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#define PTHREAD_CANCEL_DISABLE 1
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#define PTHREAD_CANCEL_DEFERRED 0
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#define PTHREAD_CANCEL_ASYNCHRONOUS 2
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#define PTHREAD_CANCELED ((void *) 1)
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/*
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* Flags for once initialization.
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*/
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#define PTHREAD_NEEDS_INIT 0
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#define PTHREAD_DONE_INIT 1
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/*
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* Static once initialization values.
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*/
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#define PTHREAD_ONCE_INIT { PTHREAD_NEEDS_INIT, NULL }
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/*
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* Static initialization values.
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*/
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#define PTHREAD_MUTEX_INITIALIZER NULL
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#define PTHREAD_COND_INITIALIZER NULL
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#define PTHREAD_RWLOCK_INITIALIZER NULL
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/*
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* Default attribute arguments (draft 4, deprecated).
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*/
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#ifndef PTHREAD_KERNEL
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#define pthread_condattr_default NULL
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#define pthread_mutexattr_default NULL
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#define pthread_attr_default NULL
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#endif
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#define PTHREAD_PRIO_NONE 0
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#define PTHREAD_PRIO_INHERIT 1
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#define PTHREAD_PRIO_PROTECT 2
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/*
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* Mutex types (Single UNIX Specification, Version 2, 1997).
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*
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* Note that a mutex attribute with one of the following types:
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*
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* PTHREAD_MUTEX_NORMAL
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* PTHREAD_MUTEX_RECURSIVE
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*
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* will deviate from POSIX specified semantics.
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*/
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enum pthread_mutextype {
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PTHREAD_MUTEX_ERRORCHECK = 1, /* Default POSIX mutex */
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PTHREAD_MUTEX_RECURSIVE = 2, /* Recursive mutex */
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PTHREAD_MUTEX_NORMAL = 3, /* No error checking */
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PTHREAD_MUTEX_TYPE_MAX
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};
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#define PTHREAD_MUTEX_DEFAULT PTHREAD_MUTEX_ERRORCHECK
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/*
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* Thread function prototype definitions:
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*/
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__BEGIN_DECLS
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int pthread_atfork(void (*)(void), void (*)(void), void (*)(void));
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int pthread_attr_destroy(pthread_attr_t *);
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int pthread_attr_getstack(const pthread_attr_t * __restrict,
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void ** __restrict, size_t * __restrict);
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int pthread_attr_getstacksize(const pthread_attr_t *, size_t *);
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int pthread_attr_getguardsize(const pthread_attr_t *, size_t *);
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int pthread_attr_getstackaddr(const pthread_attr_t *, void **);
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int pthread_attr_getdetachstate(const pthread_attr_t *, int *);
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int pthread_attr_init(pthread_attr_t *);
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int pthread_attr_setstacksize(pthread_attr_t *, size_t);
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int pthread_attr_setguardsize(pthread_attr_t *, size_t);
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int pthread_attr_setstack(pthread_attr_t *, void *, size_t);
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int pthread_attr_setstackaddr(pthread_attr_t *, void *);
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int pthread_attr_setdetachstate(pthread_attr_t *, int);
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int pthread_barrier_destroy(pthread_barrier_t *);
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int pthread_barrier_init(pthread_barrier_t *,
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const pthread_barrierattr_t *, unsigned);
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int pthread_barrier_wait(pthread_barrier_t *);
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int pthread_barrierattr_destroy(pthread_barrierattr_t *);
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int pthread_barrierattr_getpshared(const pthread_barrierattr_t *,
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int *);
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int pthread_barrierattr_init(pthread_barrierattr_t *);
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int pthread_barrierattr_setpshared(pthread_barrierattr_t *, int);
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void pthread_cleanup_pop(int);
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void pthread_cleanup_push(void (*) (void *), void *);
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int pthread_condattr_destroy(pthread_condattr_t *);
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int pthread_condattr_getclock(const pthread_condattr_t *,
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clockid_t *);
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int pthread_condattr_getpshared(const pthread_condattr_t *, int *);
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int pthread_condattr_init(pthread_condattr_t *);
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int pthread_condattr_setclock(pthread_condattr_t *, clockid_t);
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int pthread_condattr_setpshared(pthread_condattr_t *, int);
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int pthread_cond_broadcast(pthread_cond_t *);
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int pthread_cond_destroy(pthread_cond_t *);
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int pthread_cond_init(pthread_cond_t *,
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const pthread_condattr_t *);
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int pthread_cond_signal(pthread_cond_t *);
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int pthread_cond_timedwait(pthread_cond_t *,
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pthread_mutex_t *, const struct timespec *);
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int pthread_cond_wait(pthread_cond_t *, pthread_mutex_t *);
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int pthread_create(pthread_t *, const pthread_attr_t *,
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void *(*) (void *), void *);
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int pthread_detach(pthread_t);
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int pthread_equal(pthread_t, pthread_t);
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void pthread_exit(void *) __dead2;
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void *pthread_getspecific(pthread_key_t);
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int pthread_join(pthread_t, void **);
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int pthread_key_create(pthread_key_t *,
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void (*) (void *));
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int pthread_key_delete(pthread_key_t);
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int pthread_kill(pthread_t, int);
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int pthread_mutexattr_init(pthread_mutexattr_t *);
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int pthread_mutexattr_destroy(pthread_mutexattr_t *);
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int pthread_mutexattr_getpshared(const pthread_mutexattr_t *,
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int *);
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int pthread_mutexattr_gettype(pthread_mutexattr_t *, int *);
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int pthread_mutexattr_settype(pthread_mutexattr_t *, int);
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int pthread_mutexattr_setpshared(pthread_mutexattr_t *, int);
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int pthread_mutex_destroy(pthread_mutex_t *);
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int pthread_mutex_init(pthread_mutex_t *,
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const pthread_mutexattr_t *);
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int pthread_mutex_lock(pthread_mutex_t *);
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int pthread_mutex_trylock(pthread_mutex_t *);
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int pthread_mutex_timedlock(pthread_mutex_t *,
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const struct timespec *);
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int pthread_mutex_unlock(pthread_mutex_t *);
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int pthread_once(pthread_once_t *, void (*) (void));
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int pthread_rwlock_destroy(pthread_rwlock_t *);
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int pthread_rwlock_init(pthread_rwlock_t *,
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const pthread_rwlockattr_t *);
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int pthread_rwlock_rdlock(pthread_rwlock_t *);
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int pthread_rwlock_timedrdlock(pthread_rwlock_t *,
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const struct timespec *);
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int pthread_rwlock_timedwrlock(pthread_rwlock_t *,
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const struct timespec *);
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int pthread_rwlock_tryrdlock(pthread_rwlock_t *);
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int pthread_rwlock_trywrlock(pthread_rwlock_t *);
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int pthread_rwlock_unlock(pthread_rwlock_t *);
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int pthread_rwlock_wrlock(pthread_rwlock_t *);
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int pthread_rwlockattr_init(pthread_rwlockattr_t *);
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int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *,
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int *);
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int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *, int);
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int pthread_rwlockattr_destroy(pthread_rwlockattr_t *);
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pthread_t pthread_self(void);
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int pthread_setspecific(pthread_key_t, const void *);
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int pthread_sigmask(int, const __sigset_t *, __sigset_t *);
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int pthread_spin_init(pthread_spinlock_t *, int);
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int pthread_spin_destroy(pthread_spinlock_t *);
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int pthread_spin_lock(pthread_spinlock_t *);
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int pthread_spin_trylock(pthread_spinlock_t *);
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int pthread_spin_unlock(pthread_spinlock_t *);
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int pthread_cancel(pthread_t);
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int pthread_setcancelstate(int, int *);
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int pthread_setcanceltype(int, int *);
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void pthread_testcancel(void);
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int pthread_getprio(pthread_t);
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int pthread_setprio(pthread_t, int);
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void pthread_yield(void);
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int pthread_mutexattr_getprioceiling(pthread_mutexattr_t *,
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int *);
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int pthread_mutexattr_setprioceiling(pthread_mutexattr_t *,
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int);
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int pthread_mutex_getprioceiling(pthread_mutex_t *, int *);
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int pthread_mutex_setprioceiling(pthread_mutex_t *, int, int *);
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int pthread_mutexattr_getprotocol(pthread_mutexattr_t *, int *);
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int pthread_mutexattr_setprotocol(pthread_mutexattr_t *, int);
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int pthread_attr_getinheritsched(const pthread_attr_t *, int *);
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int pthread_attr_getschedparam(const pthread_attr_t *,
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struct sched_param *);
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int pthread_attr_getschedpolicy(const pthread_attr_t *, int *);
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int pthread_attr_getscope(const pthread_attr_t *, int *);
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int pthread_attr_setinheritsched(pthread_attr_t *, int);
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int pthread_attr_setschedparam(pthread_attr_t *,
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const struct sched_param *);
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int pthread_attr_setschedpolicy(pthread_attr_t *, int);
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int pthread_attr_setscope(pthread_attr_t *, int);
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int pthread_getschedparam(pthread_t pthread, int *,
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struct sched_param *);
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int pthread_setschedparam(pthread_t, int,
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const struct sched_param *);
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int pthread_getconcurrency(void);
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int pthread_setconcurrency(int);
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__END_DECLS
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#endif
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