325 lines
11 KiB
C
325 lines
11 KiB
C
/*
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
#ifndef _PTHREAD_H_
|
|
#define _PTHREAD_H_
|
|
|
|
/*
|
|
* Header files.
|
|
*/
|
|
#include <sys/cdefs.h>
|
|
#include <sys/types.h>
|
|
#include <sys/time.h>
|
|
#include <sys/signal.h>
|
|
#include <limits.h>
|
|
#include <sched.h>
|
|
|
|
/*
|
|
* Run-time invariant values:
|
|
*/
|
|
#define PTHREAD_DESTRUCTOR_ITERATIONS 4
|
|
#define PTHREAD_KEYS_MAX 256
|
|
#define PTHREAD_STACK_MIN 1024
|
|
#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)
|
|
|
|
/*
|
|
* Forward structure definitions.
|
|
*
|
|
* These are mostly opaque to the user.
|
|
*/
|
|
struct pthread;
|
|
struct pthread_attr;
|
|
struct pthread_cond;
|
|
struct pthread_cond_attr;
|
|
struct pthread_mutex;
|
|
struct pthread_mutex_attr;
|
|
struct pthread_once;
|
|
struct pthread_rwlock;
|
|
struct pthread_rwlockattr;
|
|
struct pthread_barrier;
|
|
struct pthread_barrier_attr;
|
|
struct pthread_spinlock;
|
|
|
|
/*
|
|
* Primitive system data type definitions required by P1003.1c.
|
|
*
|
|
* Note that P1003.1c specifies that there are no defined comparison
|
|
* or assignment operators for the types pthread_attr_t, pthread_cond_t,
|
|
* pthread_condattr_t, pthread_mutex_t, pthread_mutexattr_t.
|
|
*/
|
|
typedef struct pthread *pthread_t;
|
|
typedef struct pthread_attr *pthread_attr_t;
|
|
typedef struct pthread_mutex *pthread_mutex_t;
|
|
typedef struct pthread_mutex_attr *pthread_mutexattr_t;
|
|
typedef struct pthread_cond *pthread_cond_t;
|
|
typedef struct pthread_cond_attr *pthread_condattr_t;
|
|
typedef int pthread_key_t;
|
|
typedef struct pthread_once pthread_once_t;
|
|
typedef struct pthread_rwlock *pthread_rwlock_t;
|
|
typedef struct pthread_rwlockattr *pthread_rwlockattr_t;
|
|
typedef struct pthread_barrier *pthread_barrier_t;
|
|
typedef struct pthread_barrierattr *pthread_barrierattr_t;
|
|
typedef struct pthread_spinlock *pthread_spinlock_t;
|
|
|
|
/*
|
|
* Additional type definitions:
|
|
*
|
|
* Note that P1003.1c reserves the prefixes pthread_ and PTHREAD_ for
|
|
* use in header symbols.
|
|
*/
|
|
typedef void *pthread_addr_t;
|
|
typedef void *(*pthread_startroutine_t)(void *);
|
|
|
|
/*
|
|
* Once definitions.
|
|
*/
|
|
struct pthread_once {
|
|
int state;
|
|
pthread_mutex_t mutex;
|
|
};
|
|
|
|
/*
|
|
* 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_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
|
|
* MUTEX_TYPE_FAST (deprecated)
|
|
* MUTEX_TYPE_COUNTING_FAST (deprecated)
|
|
*
|
|
* 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 */
|
|
MUTEX_TYPE_MAX
|
|
};
|
|
|
|
#define PTHREAD_MUTEX_DEFAULT PTHREAD_MUTEX_ERRORCHECK
|
|
#define MUTEX_TYPE_FAST PTHREAD_MUTEX_NORMAL
|
|
#define MUTEX_TYPE_COUNTING_FAST PTHREAD_MUTEX_RECURSIVE
|
|
|
|
/*
|
|
* Thread function prototype definitions:
|
|
*/
|
|
__BEGIN_DECLS
|
|
int pthread_atfork(void (*prepare)(void), void (*parent)(void),
|
|
void (*child)(void));
|
|
int pthread_attr_destroy(pthread_attr_t *);
|
|
int pthread_attr_getstack(const pthread_attr_t * __restrict,
|
|
void ** __restrict stackaddr,
|
|
size_t * __restrict stacksize);
|
|
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);
|
|
void pthread_cleanup_pop(int);
|
|
void pthread_cleanup_push(void (*) (void *), void *routine_arg);
|
|
int pthread_condattr_destroy(pthread_condattr_t *);
|
|
int pthread_condattr_init(pthread_condattr_t *);
|
|
|
|
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_join(pthread_t, void **);
|
|
int pthread_key_create(pthread_key_t *,
|
|
void (*) (void *));
|
|
int pthread_key_delete(pthread_key_t);
|
|
int pthread_kill(pthread_t, int);
|
|
int pthread_mutexattr_init(pthread_mutexattr_t *);
|
|
int pthread_mutexattr_destroy(pthread_mutexattr_t *);
|
|
int pthread_mutexattr_gettype(pthread_mutexattr_t *, int *);
|
|
int pthread_mutexattr_settype(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_init(pthread_rwlockattr_t *);
|
|
int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *,
|
|
int *);
|
|
int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *, int);
|
|
int pthread_rwlockattr_destroy(pthread_rwlockattr_t *);
|
|
pthread_t pthread_self(void);
|
|
int pthread_setspecific(pthread_key_t, const void *);
|
|
int pthread_sigmask(int, const sigset_t *, sigset_t *);
|
|
|
|
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);
|
|
|
|
int pthread_getprio(pthread_t);
|
|
int pthread_setprio(pthread_t, int);
|
|
void pthread_yield(void);
|
|
|
|
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 *);
|
|
int pthread_getconcurrency(void);
|
|
int pthread_setconcurrency(int);
|
|
__END_DECLS
|
|
|
|
#endif
|