251 lines
9.7 KiB
C
251 lines
9.7 KiB
C
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/* pthread.h: POSIX pthread interface
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Written by Marco Fuykschot <marco@ddi.nl>
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#include <sys/types.h>
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#include <signal.h>
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#include <sched.h>
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#include <time.h>
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#ifndef _PTHREAD_H
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#define _PTHREAD_H
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/* Defines. (These are correctly defined here as per
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http://www.opengroup.org/onlinepubs/7908799/xsh/pthread.h.html */
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#define PTHREAD_CANCEL_ASYNCHRONOUS 1
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/* defaults are enable, deferred */
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#define PTHREAD_CANCEL_ENABLE 0
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#define PTHREAD_CANCEL_DEFERRED 0
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#define PTHREAD_CANCEL_DISABLE 1
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#define PTHREAD_CANCELED ((void *)-1)
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/* this should be a value that can never be a valid address */
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#define PTHREAD_COND_INITIALIZER (pthread_cond_t)21
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#define PTHREAD_CREATE_DETACHED 1
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/* the default : joinable */
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#define PTHREAD_CREATE_JOINABLE 0
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#define PTHREAD_EXPLICIT_SCHED 1
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#define PTHREAD_INHERIT_SCHED 0
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#define PTHREAD_MUTEX_RECURSIVE 0
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#define PTHREAD_MUTEX_ERRORCHECK 1
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#define PTHREAD_MUTEX_NORMAL 2
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#define PTHREAD_MUTEX_DEFAULT PTHREAD_MUTEX_NORMAL
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/* this should be too low to ever be a valid address */
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#define PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP (pthread_mutex_t)18
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#define PTHREAD_NORMAL_MUTEX_INITIALIZER_NP (pthread_mutex_t)19
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#define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP (pthread_mutex_t)20
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#define PTHREAD_MUTEX_INITIALIZER PTHREAD_NORMAL_MUTEX_INITIALIZER_NP
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#define PTHREAD_ONCE_INIT { PTHREAD_MUTEX_INITIALIZER, 0 }
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#if defined(_POSIX_THREAD_PRIO_INHERIT) && _POSIX_THREAD_PRIO_INHERIT >= 0
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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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#endif
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#define PTHREAD_PROCESS_SHARED 1
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#define PTHREAD_PROCESS_PRIVATE 0
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#define PTHREAD_RWLOCK_INITIALIZER (pthread_rwlock_t)22
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/* process is the default */
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#define PTHREAD_SCOPE_PROCESS 0
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#define PTHREAD_SCOPE_SYSTEM 1
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#define PTHREAD_BARRIER_SERIAL_THREAD (-1)
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/* Register Fork Handlers */
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int pthread_atfork (void (*)(void), void (*)(void), void (*)(void));
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/* Attributes */
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int pthread_attr_destroy (pthread_attr_t *);
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int pthread_attr_getdetachstate (const pthread_attr_t *, int *);
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int pthread_attr_getguardsize (const pthread_attr_t *, size_t *);
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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 *, 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_init (pthread_attr_t *);
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int pthread_attr_setdetachstate (pthread_attr_t *, int);
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int pthread_attr_setguardsize (pthread_attr_t *, size_t);
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int pthread_attr_setinheritsched (pthread_attr_t *, int);
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int pthread_attr_setschedparam (pthread_attr_t *, 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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#if __POSIX_VISIBLE >= 200112
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int pthread_attr_getstack (const pthread_attr_t *, void **, size_t *);
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int pthread_attr_setstack (pthread_attr_t *, void *, size_t);
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#endif
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#if __POSIX_VISIBLE < 200809
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int pthread_attr_getstackaddr (const pthread_attr_t *, void **)
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__attribute__ ((__deprecated__));
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int pthread_attr_setstackaddr (pthread_attr_t *, void *)
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__attribute__ ((__deprecated__));
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#endif
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int pthread_attr_getstacksize (const pthread_attr_t *, size_t *);
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int pthread_attr_setstacksize (pthread_attr_t *, size_t);
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int pthread_cancel (pthread_t);
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/* Macros for cleanup_push and pop;
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* The function definitions are
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void pthread_cleanup_push (void (*routine)(void*), void *arg);
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void pthread_cleanup_pop (int execute);
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*/
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typedef void (*__cleanup_routine_type) (void *);
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typedef struct _pthread_cleanup_handler
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{
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__cleanup_routine_type function;
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void *arg;
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struct _pthread_cleanup_handler *next;
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} __pthread_cleanup_handler;
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void _pthread_cleanup_push (__pthread_cleanup_handler *handler);
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void _pthread_cleanup_pop (int execute);
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#define pthread_cleanup_push(_fn, _arg) { __pthread_cleanup_handler __cleanup_handler = \
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{ _fn, _arg, NULL }; \
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_pthread_cleanup_push( &__cleanup_handler );
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#define pthread_cleanup_pop(_execute) _pthread_cleanup_pop( _execute ); }
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/* Condition variables */
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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 *, 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_condattr_destroy (pthread_condattr_t *);
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int pthread_condattr_getclock (const pthread_condattr_t *, 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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/* Barriers */
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#if __POSIX_VISIBLE >= 200112
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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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int pthread_barrierattr_getpshared (const pthread_barrierattr_t *, int *);
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int pthread_barrierattr_destroy (pthread_barrierattr_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_destroy (pthread_barrier_t *);
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int pthread_barrier_wait (pthread_barrier_t *);
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#endif
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/* Threads */
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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 *) __attribute__ ((__noreturn__));
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#if __POSIX_VISIBLE >= 200112
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int pthread_getcpuclockid (pthread_t, clockid_t *);
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#endif
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int pthread_getschedparam (pthread_t, int *, struct sched_param *);
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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 *, void (*)(void *));
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int pthread_key_delete (pthread_key_t);
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/* Mutex's */
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int pthread_mutex_destroy (pthread_mutex_t *);
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int pthread_mutex_getprioceiling (const pthread_mutex_t *, int *);
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int pthread_mutex_init (pthread_mutex_t *, const pthread_mutexattr_t *);
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int pthread_mutex_lock (pthread_mutex_t *);
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int pthread_mutex_setprioceiling (pthread_mutex_t *, int, int *);
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int pthread_mutex_timedlock (pthread_mutex_t *, const struct timespec *);
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int pthread_mutex_trylock (pthread_mutex_t *);
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int pthread_mutex_unlock (pthread_mutex_t *);
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int pthread_mutexattr_destroy (pthread_mutexattr_t *);
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int pthread_mutexattr_getprioceiling (const pthread_mutexattr_t *, int *);
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int pthread_mutexattr_getprotocol (const pthread_mutexattr_t *, int *);
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int pthread_mutexattr_getpshared (const pthread_mutexattr_t *, int *);
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int pthread_mutexattr_gettype (const pthread_mutexattr_t *, int *);
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int pthread_mutexattr_init (pthread_mutexattr_t *);
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int pthread_mutexattr_setprioceiling (pthread_mutexattr_t *, int);
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int pthread_mutexattr_setprotocol (pthread_mutexattr_t *, int);
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int pthread_mutexattr_setpshared (pthread_mutexattr_t *, int);
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int pthread_mutexattr_settype (pthread_mutexattr_t *, int);
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/* Spinlocks */
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#if __POSIX_VISIBLE >= 200112
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int pthread_spin_destroy (pthread_spinlock_t *);
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int pthread_spin_init (pthread_spinlock_t *, int);
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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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#endif
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/* RW Locks */
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#if __XSI_VISIBLE >= 500 || __POSIX_VISIBLE >= 200112 || __cplusplus >= 201402L
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int pthread_rwlock_destroy (pthread_rwlock_t *rwlock);
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int pthread_rwlock_init (pthread_rwlock_t *rwlock, const pthread_rwlockattr_t *attr);
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int pthread_rwlock_rdlock (pthread_rwlock_t *rwlock);
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int pthread_rwlock_timedrdlock (pthread_rwlock_t *rwlock,
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const struct timespec *abstime);
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int pthread_rwlock_tryrdlock (pthread_rwlock_t *rwlock);
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int pthread_rwlock_wrlock (pthread_rwlock_t *rwlock);
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int pthread_rwlock_timedwrlock (pthread_rwlock_t *rwlock,
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const struct timespec *abstime);
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int pthread_rwlock_trywrlock (pthread_rwlock_t *rwlock);
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int pthread_rwlock_unlock (pthread_rwlock_t *rwlock);
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int pthread_rwlockattr_init (pthread_rwlockattr_t *rwlockattr);
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int pthread_rwlockattr_getpshared (const pthread_rwlockattr_t *attr,
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int *pshared);
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int pthread_rwlockattr_setpshared (pthread_rwlockattr_t *attr, int pshared);
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int pthread_rwlockattr_destroy (pthread_rwlockattr_t *rwlockattr);
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#endif
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int pthread_once (pthread_once_t *, void (*)(void));
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#if __XSI_VISIBLE >= 500
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/* Concurrency levels - X/Open interface */
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int pthread_getconcurrency (void);
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int pthread_setconcurrency (int);
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#endif
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pthread_t pthread_self (void);
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int pthread_setcancelstate (int, int *);
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int pthread_setcanceltype (int, int *);
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int pthread_setschedparam (pthread_t, int, const struct sched_param *);
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int pthread_setschedprio (pthread_t, int);
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int pthread_setspecific (pthread_key_t, const void *);
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void pthread_testcancel (void);
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/* Non posix calls */
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#if __GNU_VISIBLE
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int pthread_getaffinity_np (pthread_t, size_t, cpu_set_t *);
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int pthread_getattr_np (pthread_t, pthread_attr_t *);
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int pthread_getname_np (pthread_t, char *, size_t) __attribute__((__nonnull__(2)));
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int pthread_setaffinity_np (pthread_t, size_t, const cpu_set_t *);
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int pthread_setname_np (pthread_t, const char *) __attribute__((__nonnull__(2)));
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int pthread_sigqueue (pthread_t *, int, const union sigval);
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int pthread_timedjoin_np (pthread_t, void **, const struct timespec *);
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int pthread_tryjoin_np (pthread_t, void **);
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#endif
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#if __BSD_VISIBLE || __GNU_VISIBLE
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int pthread_yield (void);
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#endif
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#if __MISC_VISIBLE /* HP-UX, others? */
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int pthread_suspend (pthread_t);
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int pthread_continue (pthread_t);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _PTHREAD_H */
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