/* pthread.h: POSIX pthread interface Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2006, 2007, 2011 Red Hat, Inc. Written by Marco Fuykschot This file is part of Cygwin. This software is a copyrighted work licensed under the terms of the Cygwin license. Please consult the file "CYGWIN_LICENSE" for details. */ #include #include #include #ifndef _PTHREAD_H #define _PTHREAD_H #ifdef __cplusplus extern "C" { #endif /* Defines. (These are correctly defined here as per http://www.opengroup.org/onlinepubs/7908799/xsh/pthread.h.html */ /* FIXME: this should allocate a new cond variable, and return the value that would normally be written to the passed parameter of pthread_cond_init(lvalue, NULL); */ /* #define PTHREAD_COND_INITIALIZER 0 */ /* the default : joinable */ #define PTHREAD_CANCEL_ASYNCHRONOUS 1 /* defaults are enable, deferred */ #define PTHREAD_CANCEL_ENABLE 0 #define PTHREAD_CANCEL_DEFERRED 0 #define PTHREAD_CANCEL_DISABLE 1 #define PTHREAD_CANCELED ((void *)-1) /* this should be a value that can never be a valid address */ #define PTHREAD_COND_INITIALIZER (pthread_cond_t)21 #define PTHREAD_CREATE_DETACHED 1 /* the default : joinable */ #define PTHREAD_CREATE_JOINABLE 0 #define PTHREAD_EXPLICIT_SCHED 1 #define PTHREAD_INHERIT_SCHED 0 #define PTHREAD_MUTEX_RECURSIVE 0 #define PTHREAD_MUTEX_ERRORCHECK 1 #define PTHREAD_MUTEX_NORMAL 2 #define PTHREAD_MUTEX_DEFAULT PTHREAD_MUTEX_NORMAL /* this should be too low to ever be a valid address */ #define PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP (pthread_mutex_t)18 #define PTHREAD_NORMAL_MUTEX_INITIALIZER_NP (pthread_mutex_t)19 #define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP (pthread_mutex_t)20 #define PTHREAD_MUTEX_INITIALIZER PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP #define PTHREAD_ONCE_INIT { PTHREAD_MUTEX_INITIALIZER, 0 } #if defined(_POSIX_THREAD_PRIO_INHERIT) && _POSIX_THREAD_PRIO_INHERIT >= 0 #define PTHREAD_PRIO_NONE 0 #define PTHREAD_PRIO_INHERIT 1 #define PTHREAD_PRIO_PROTECT 2 #endif #define PTHREAD_PROCESS_SHARED 1 #define PTHREAD_PROCESS_PRIVATE 0 #define PTHREAD_RWLOCK_INITIALIZER (pthread_rwlock_t)22 /* process is the default */ #define PTHREAD_SCOPE_PROCESS 0 #define PTHREAD_SCOPE_SYSTEM 1 /* Attributes */ int pthread_attr_destroy (pthread_attr_t *); int pthread_attr_getdetachstate (const pthread_attr_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_init (pthread_attr_t *); int pthread_attr_setdetachstate (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); #ifdef _POSIX_THREAD_ATTR_STACKADDR /* These functions may be implementable via some low level trickery. For now they are * Not supported or implemented. The prototypes are here so if someone greps the * source they will see these comments */ int pthread_attr_getstackaddr (const pthread_attr_t *, void **); int pthread_attr_setstackaddr (pthread_attr_t *, void *); #endif #ifdef _POSIX_THREAD_ATTR_STACKSIZE int pthread_attr_getstacksize (const pthread_attr_t *, size_t *); int pthread_attr_setstacksize (pthread_attr_t *, size_t); #endif int pthread_cancel (pthread_t); /* Macros for cleanup_push and pop; * The function definitions are void pthread_cleanup_push (void (*routine)(void*), void *arg); void pthread_cleanup_pop (int execute); */ typedef void (*__cleanup_routine_type) (void *); typedef struct _pthread_cleanup_handler { __cleanup_routine_type function; void *arg; struct _pthread_cleanup_handler *next; } __pthread_cleanup_handler; void _pthread_cleanup_push (__pthread_cleanup_handler *handler); void _pthread_cleanup_pop (int execute); #define pthread_cleanup_push(_fn, _arg) { __pthread_cleanup_handler __cleanup_handler = \ { _fn, _arg, NULL }; \ _pthread_cleanup_push( &__cleanup_handler ); #define pthread_cleanup_pop(_execute) _pthread_cleanup_pop( _execute ); } /* Condition variables */ 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_condattr_destroy (pthread_condattr_t *); int pthread_condattr_getpshared (const pthread_condattr_t *, int *); int pthread_condattr_init (pthread_condattr_t *); int pthread_condattr_setpshared (pthread_condattr_t *, int); 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 *); int pthread_getschedparam (pthread_t, int *, struct sched_param *); 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); /* Mutex's */ int pthread_mutex_destroy (pthread_mutex_t *); int pthread_mutex_getprioceiling (const pthread_mutex_t *, int *); int pthread_mutex_init (pthread_mutex_t *, const pthread_mutexattr_t *); int pthread_mutex_lock (pthread_mutex_t *); int pthread_mutex_setprioceiling (pthread_mutex_t *, int, int *); int pthread_mutex_trylock (pthread_mutex_t *); int pthread_mutex_unlock (pthread_mutex_t *); int pthread_mutexattr_destroy (pthread_mutexattr_t *); int pthread_mutexattr_getprioceiling (const pthread_mutexattr_t *, int *); int pthread_mutexattr_getprotocol (const pthread_mutexattr_t *, int *); int pthread_mutexattr_getpshared (const pthread_mutexattr_t *, int *); int pthread_mutexattr_gettype (const pthread_mutexattr_t *, int *); int pthread_mutexattr_init (pthread_mutexattr_t *); int pthread_mutexattr_setprioceiling (pthread_mutexattr_t *, int); int pthread_mutexattr_setprotocol (pthread_mutexattr_t *, int); int pthread_mutexattr_setpshared (pthread_mutexattr_t *, int); int pthread_mutexattr_settype (pthread_mutexattr_t *, int); /* Spinlocks */ int pthread_spin_destroy (pthread_spinlock_t *); int pthread_spin_init (pthread_spinlock_t *, int); int pthread_spin_lock (pthread_spinlock_t *); int pthread_spin_trylock (pthread_spinlock_t *); int pthread_spin_unlock (pthread_spinlock_t *); /* RW Locks */ int pthread_rwlock_destroy (pthread_rwlock_t *rwlock); int pthread_rwlock_init (pthread_rwlock_t *rwlock, const pthread_rwlockattr_t *attr); int pthread_rwlock_rdlock (pthread_rwlock_t *rwlock); int pthread_rwlock_tryrdlock (pthread_rwlock_t *rwlock); int pthread_rwlock_wrlock (pthread_rwlock_t *rwlock); int pthread_rwlock_trywrlock (pthread_rwlock_t *rwlock); int pthread_rwlock_unlock (pthread_rwlock_t *rwlock); int pthread_rwlockattr_init (pthread_rwlockattr_t *rwlockattr); int pthread_rwlockattr_getpshared (const pthread_rwlockattr_t *attr, int *pshared); int pthread_rwlockattr_setpshared (pthread_rwlockattr_t *attr, int pshared); int pthread_rwlockattr_destroy (pthread_rwlockattr_t *rwlockattr); int pthread_once (pthread_once_t *, void (*)(void)); /* Concurrency levels - X/Open interface */ int pthread_getconcurrency (void); int pthread_setconcurrency (int); pthread_t pthread_self (void); int pthread_setcancelstate (int, int *); int pthread_setcanceltype (int, int *); int pthread_setschedparam (pthread_t, int, const struct sched_param *); int pthread_setspecific (pthread_key_t, const void *); void pthread_testcancel (void); /* Non posix calls */ int pthread_suspend (pthread_t); int pthread_continue (pthread_t); int pthread_yield (void); #ifdef __cplusplus } #endif #endif /* _PTHREAD_H */