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Diffstat (limited to 'include/pthread.h')
| -rw-r--r-- | include/pthread.h | 315 |
1 files changed, 315 insertions, 0 deletions
diff --git a/include/pthread.h b/include/pthread.h new file mode 100644 index 0000000..cfb1356 --- /dev/null +++ b/include/pthread.h @@ -0,0 +1,315 @@ +/* $OpenBSD: pthread.h,v 1.4 2018/03/05 01:15:26 deraadt Exp $ */ + +/* + * 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: pthread.h,v 1.13 1999/07/31 08:36:07 rse Exp $ + */ +#ifndef _PTHREAD_H_ +#define _PTHREAD_H_ + +/* + * Header files. + */ +#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 (1U << _MAX_PAGE_SHIFT) +#define PTHREAD_THREADS_MAX ULONG_MAX + +/* + * 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) + +/* + * Barrier flags + */ +#define PTHREAD_BARRIER_SERIAL_THREAD -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; + +/* + * 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 volatile 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, PTHREAD_MUTEX_INITIALIZER } + +/* + * Static initialization values. + */ +#define PTHREAD_MUTEX_INITIALIZER NULL +#define PTHREAD_COND_INITIALIZER NULL +#define PTHREAD_RWLOCK_INITIALIZER NULL + +#define PTHREAD_PRIO_NONE 0 +#define PTHREAD_PRIO_INHERIT 1 +#define PTHREAD_PRIO_PROTECT 2 + +/* + * Mutex types. + */ +enum pthread_mutextype { + PTHREAD_MUTEX_ERRORCHECK = 1, /* Error checking mutex */ + PTHREAD_MUTEX_RECURSIVE = 2, /* Recursive mutex */ + PTHREAD_MUTEX_NORMAL = 3, /* No error checking */ + PTHREAD_MUTEX_STRICT_NP = 4, /* Strict error checking */ + PTHREAD_MUTEX_TYPE_MAX +}; + +#define PTHREAD_MUTEX_ERRORCHECK PTHREAD_MUTEX_ERRORCHECK +#define PTHREAD_MUTEX_RECURSIVE PTHREAD_MUTEX_RECURSIVE +#define PTHREAD_MUTEX_NORMAL PTHREAD_MUTEX_NORMAL +#define PTHREAD_MUTEX_STRICT_NP PTHREAD_MUTEX_STRICT_NP +#define PTHREAD_MUTEX_DEFAULT PTHREAD_MUTEX_STRICT_NP + +/* + * 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 *, + void **, size_t *); +int pthread_attr_getstacksize(const pthread_attr_t *, size_t *); +int pthread_attr_getstackaddr(const pthread_attr_t *, void **); +int pthread_attr_getguardsize(const pthread_attr_t *, size_t *); +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_setstack(pthread_attr_t *, void *, size_t); +int pthread_attr_setstackaddr(pthread_attr_t *, void *); +int pthread_attr_setguardsize(pthread_attr_t *, size_t); +int pthread_attr_setdetachstate(pthread_attr_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); +__dead void pthread_exit(void *); +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_timedlock(pthread_mutex_t *, + const struct timespec *); +int pthread_mutex_trylock(pthread_mutex_t *); +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_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_condattr_getclock(const pthread_condattr_t *, + clockid_t *); +int pthread_condattr_setclock(pthread_condattr_t *, clockid_t); + +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); +int pthread_barrier_init(pthread_barrier_t *, + pthread_barrierattr_t *, unsigned int); +int pthread_barrier_destroy(pthread_barrier_t *); +int pthread_barrier_wait(pthread_barrier_t *); +int pthread_barrierattr_init(pthread_barrierattr_t *); +int pthread_barrierattr_destroy(pthread_barrierattr_t *); +int pthread_barrierattr_getpshared(pthread_barrierattr_t *, int *); +int pthread_barrierattr_setpshared(pthread_barrierattr_t *, int); +int pthread_spin_init(pthread_spinlock_t *, int); +int pthread_spin_destroy(pthread_spinlock_t *); +int pthread_spin_trylock(pthread_spinlock_t *); +int pthread_spin_lock(pthread_spinlock_t *); +int pthread_spin_unlock(pthread_spinlock_t *); + +#if __POSIX_VISIBLE >= 200112 +int pthread_getcpuclockid(pthread_t, clockid_t *); +#endif +__END_DECLS + +#endif /* _PTHREAD_H_ */ |