268 lines
9.6 KiB
C
268 lines
9.6 KiB
C
/*
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* Copyright 2001-2011 Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _PTHREAD_H_
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#define _PTHREAD_H_
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#include <sched.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include <time.h>
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#define PTHREAD_MUTEX_DEFAULT 0
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#define PTHREAD_MUTEX_NORMAL 1
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#define PTHREAD_MUTEX_ERRORCHECK 2
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#define PTHREAD_MUTEX_RECURSIVE 3
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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 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 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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#define PTHREAD_ONCE_INIT { -1 }
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#define PTHREAD_BARRIER_SERIAL_THREAD -1
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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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/* private structure */
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struct __pthread_cleanup_handler {
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struct __pthread_cleanup_handler *previous;
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void (*function)(void *argument);
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void *argument;
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};
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#define pthread_cleanup_push(func, arg) \
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do { \
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struct __pthread_cleanup_handler __handler; \
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__handler.function = (func); \
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__handler.argument = (arg); \
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__pthread_cleanup_push_handler(&__handler);
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#define pthread_cleanup_pop(execute) \
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if (execute) \
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__handler.function(__handler.argument); \
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__pthread_cleanup_pop_handler(); \
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} while (0)
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define PTHREAD_MUTEX_INITIALIZER \
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{ PTHREAD_MUTEX_DEFAULT, 0, -42, -1, 0 }
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#define PTHREAD_RECURSIVE_MUTEX_INITIALIZER \
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{ PTHREAD_MUTEX_RECURSIVE, 0, -42, -1, 0 }
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#define PTHREAD_COND_INITIALIZER \
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{ 0, -42, NULL, 0, 0 }
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#define PTHREAD_RWLOCK_INITIALIZER \
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{ 0, -1, {{0}} }
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/* mutex functions */
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extern int pthread_mutex_destroy(pthread_mutex_t *mutex);
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extern int pthread_mutex_getprioceiling(const pthread_mutex_t *mutex,
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int *_priorityCeiling);
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extern int pthread_mutex_init(pthread_mutex_t *mutex,
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const pthread_mutexattr_t *attr);
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extern int pthread_mutex_lock(pthread_mutex_t *mutex);
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extern int pthread_mutex_setprioceiling(pthread_mutex_t *mutex,
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int newPriorityCeiling, int *_oldPriorityCeiling);
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extern int pthread_mutex_timedlock(pthread_mutex_t *mutex,
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const struct timespec *spec);
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extern int pthread_mutex_trylock(pthread_mutex_t *mutex);
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extern int pthread_mutex_unlock(pthread_mutex_t *mutex);
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/* mutex attribute functions */
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extern int pthread_mutexattr_destroy(pthread_mutexattr_t *mutexAttr);
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extern int pthread_mutexattr_getprioceiling(const pthread_mutexattr_t *mutexAttr,
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int *_priorityCeiling);
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extern int pthread_mutexattr_getprotocol(const pthread_mutexattr_t *mutexAttr,
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int *_protocol);
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extern int pthread_mutexattr_getpshared(const pthread_mutexattr_t *mutexAttr,
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int *_processShared);
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extern int pthread_mutexattr_gettype(const pthread_mutexattr_t *mutexAttr,
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int *_type);
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extern int pthread_mutexattr_init(pthread_mutexattr_t *mutexAttr);
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extern int pthread_mutexattr_setprioceiling(pthread_mutexattr_t *mutexAttr,
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int priorityCeiling);
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extern int pthread_mutexattr_setprotocol(pthread_mutexattr_t *mutexAttr,
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int protocol);
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extern int pthread_mutexattr_setpshared(pthread_mutexattr_t *mutexAttr,
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int processShared);
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extern int pthread_mutexattr_settype(pthread_mutexattr_t *mutexAttr, int type);
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/* barrier functions */
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extern int pthread_barrier_init(pthread_barrier_t *barrier,
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const pthread_barrierattr_t *attr, unsigned count);
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extern int pthread_barrier_destroy(pthread_barrier_t *barrier);
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extern int pthread_barrier_wait(pthread_barrier_t *barrier);
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/* barrier attribute functions */
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extern int pthread_barrierattr_destroy(pthread_barrierattr_t *attr);
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extern int pthread_barrierattr_getpshared(const pthread_barrierattr_t *attr,
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int *shared);
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extern int pthread_barrierattr_init(pthread_barrierattr_t *attr);
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extern int pthread_barrierattr_setpshared(pthread_barrierattr_t *attr,
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int shared);
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/* condition variable functions */
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extern int pthread_cond_destroy(pthread_cond_t *cond);
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extern int pthread_cond_init(pthread_cond_t *cond,
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const pthread_condattr_t *attr);
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extern int pthread_cond_broadcast(pthread_cond_t *cond);
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extern int pthread_cond_signal(pthread_cond_t *cond);
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extern int pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex,
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const struct timespec *abstime);
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extern int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex);
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/* condition variable attribute functions */
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extern int pthread_condattr_destroy(pthread_condattr_t *condAttr);
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extern int pthread_condattr_init(pthread_condattr_t *condAttr);
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extern int pthread_condattr_getpshared(const pthread_condattr_t *condAttr,
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int *processShared);
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extern int pthread_condattr_setpshared(pthread_condattr_t *condAttr,
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int processShared);
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extern int pthread_condattr_getclock(const pthread_condattr_t *condAttr,
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clockid_t *clockID);
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extern int pthread_condattr_setclock(pthread_condattr_t *condAttr,
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clockid_t clockID);
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/* rwlock functions */
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extern int pthread_rwlock_init(pthread_rwlock_t *lock,
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const pthread_rwlockattr_t *attr);
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extern int pthread_rwlock_destroy(pthread_rwlock_t *lock);
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extern int pthread_rwlock_rdlock(pthread_rwlock_t *lock);
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extern int pthread_rwlock_tryrdlock(pthread_rwlock_t *lock);
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extern int pthread_rwlock_timedrdlock(pthread_rwlock_t *lock,
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const struct timespec *timeout);
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extern int pthread_rwlock_wrlock(pthread_rwlock_t *lock);
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extern int pthread_rwlock_trywrlock(pthread_rwlock_t *lock);
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extern int pthread_rwlock_timedwrlock(pthread_rwlock_t *lock,
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const struct timespec *timeout);
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extern int pthread_rwlock_unlock(pthread_rwlock_t *lock);
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/* rwlock attribute functions */
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extern int pthread_rwlockattr_init(pthread_rwlockattr_t *attr);
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extern int pthread_rwlockattr_destroy(pthread_rwlockattr_t *attr);
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extern int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *attr,
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int *shared);
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extern int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *attr,
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int shared);
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/* spinlock functions */
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extern int pthread_spin_init(pthread_spinlock_t* spinlock, int pshared);
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extern int pthread_spin_destroy(pthread_spinlock_t* spinlock);
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extern int pthread_spin_lock(pthread_spinlock_t* spinlock);
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extern int pthread_spin_trylock(pthread_spinlock_t* spinlock);
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extern int pthread_spin_unlock(pthread_spinlock_t* spinlock);
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/* misc. functions */
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extern int pthread_atfork(void (*prepare)(void), void (*parent)(void),
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void (*child)(void));
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extern int pthread_once(pthread_once_t *once_control,
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void (*init_routine)(void));
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/* thread attributes functions */
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extern int pthread_attr_destroy(pthread_attr_t *attr);
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extern int pthread_attr_init(pthread_attr_t *attr);
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extern int pthread_attr_getdetachstate(const pthread_attr_t *attr,
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int *detachstate);
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extern int pthread_attr_setdetachstate(pthread_attr_t *attr, int detachstate);
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extern int pthread_attr_getstacksize(const pthread_attr_t *attr,
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size_t *stacksize);
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extern int pthread_attr_setstacksize(pthread_attr_t *attr, size_t stacksize);
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extern int pthread_attr_getscope(const pthread_attr_t *attr,
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int *contentionScope);
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extern int pthread_attr_setscope(pthread_attr_t *attr, int contentionScope);
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extern int pthread_attr_getschedparam(const pthread_attr_t *attr,
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struct sched_param *param);
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extern int pthread_attr_setschedparam(pthread_attr_t *attr,
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const struct sched_param *param);
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extern int pthread_attr_getguardsize(const pthread_attr_t *attr,
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size_t *guardsize);
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extern int pthread_attr_setguardsize(pthread_attr_t *attr, size_t guardsize);
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extern int pthread_attr_getstack(const pthread_attr_t *attr,
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void **stackaddr, size_t *stacksize);
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extern int pthread_attr_setstack(pthread_attr_t *attr, void *stackaddr,
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size_t stacksize);
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#if 0 /* Unimplemented attribute functions: */
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/* [TPS] */
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extern int pthread_attr_getinheritsched(const pthread_attr_t *attr,
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int *inheritsched);
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extern int pthread_attr_setinheritsched(pthread_attr_t *attr, int inheritsched);
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extern int pthread_attr_getschedpolicy(const pthread_attr_t *attr,
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int *policy);
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extern int pthread_attr_setschedpolicy(pthread_attr_t *attr, int policy);
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#endif /* 0 */
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/* thread functions */
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extern int pthread_create(pthread_t *thread, const pthread_attr_t *attr,
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void *(*start_routine)(void*), void *arg);
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extern int pthread_detach(pthread_t thread);
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extern int pthread_equal(pthread_t t1, pthread_t t2);
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extern void pthread_exit(void *value_ptr) __attribute__ ((noreturn));
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extern int pthread_join(pthread_t thread, void **_value);
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extern pthread_t pthread_self(void);
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extern int pthread_getconcurrency(void);
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extern int pthread_setconcurrency(int newLevel);
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extern int pthread_cancel(pthread_t thread);
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extern int pthread_setcancelstate(int state, int *_oldState);
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extern int pthread_setcanceltype(int type, int *_oldType);
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extern void pthread_testcancel(void);
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extern int pthread_getschedparam(pthread_t thread, int *policy,
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struct sched_param *param);
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extern int pthread_setschedparam(pthread_t thread, int policy,
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const struct sched_param *param);
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/* thread specific data functions */
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extern int pthread_key_create(pthread_key_t *key,
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void (*destructorFunc)(void*));
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extern int pthread_key_delete(pthread_key_t key);
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extern void *pthread_getspecific(pthread_key_t key);
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extern int pthread_setspecific(pthread_key_t key, const void *value);
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/* private functions */
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extern void __pthread_cleanup_push_handler(
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struct __pthread_cleanup_handler *handler);
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extern struct __pthread_cleanup_handler *__pthread_cleanup_pop_handler(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _PTHREAD_ */
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