/* * Copyright 2001-2008, Haiku Inc. All Rights Reserved. * Distributed under the terms of the Haiku License. */ #ifndef _PTHREAD_H_ #define _PTHREAD_H_ #include typedef int pthread_t; typedef struct _pthread_attr *pthread_attr_t; typedef struct _pthread_mutex *pthread_mutex_t; typedef struct _pthread_mutexattr *pthread_mutexattr_t; typedef struct _pthread_cond *pthread_cond_t; typedef struct _pthread_condattr *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; struct _pthread_once { int state; pthread_mutex_t mutex; }; enum pthread_mutex_type { PTHREAD_MUTEX_DEFAULT, PTHREAD_MUTEX_NORMAL, PTHREAD_MUTEX_ERRORCHECK, PTHREAD_MUTEX_RECURSIVE, }; enum pthread_process_shared { PTHREAD_PROCESS_PRIVATE, PTHREAD_PROCESS_SHARED, }; /* * 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 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) #define PTHREAD_NEEDS_INIT 0 #define PTHREAD_DONE_INIT 1 #define PTHREAD_ONCE_INIT { PTHREAD_NEEDS_INIT, NULL } #define PTHREAD_BARRIER_SERIAL_THREAD -1 #define PTHREAD_PRIO_NONE 0 #define PTHREAD_PRIO_INHERIT 1 #define PTHREAD_PRIO_PROTECT 2 //extern pthread_mutexattr_t pthread_mutexattr_default; /* private structure */ struct __pthread_cleanup_handler { struct __pthread_cleanup_handler *previous; void (*function)(void *argument); void *argument; }; #define pthread_cleanup_push(func, arg) \ do { \ struct __pthread_cleanup_handler __handler; \ __handler.function = (func); \ __handler.argument = (arg); \ __pthread_cleanup_push_handler(&__handler); #define pthread_cleanup_pop(execute) \ if (execute) \ __handler.function(__handler.argument); \ __pthread_cleanup_pop_handler(); \ } while (0) #ifdef __cplusplus extern "C" { #endif extern pthread_mutex_t _pthread_mutex_static_initializer(void); extern pthread_mutex_t _pthread_recursive_mutex_static_initializer(void); #define PTHREAD_MUTEX_INITIALIZER NULL #define PTHREAD_RECURSIVE_MUTEX_INITIALIZER \ pthread_recursive_mutex_static_initializer(); extern pthread_cond_t _pthread_cond_static_initializer(void); #define PTHREAD_COND_INITIALIZER _pthread_cond_static_initializer(); /* mutex functions */ extern int pthread_mutex_destroy(pthread_mutex_t *mutex); extern int pthread_mutex_getprioceiling(pthread_mutex_t *mutex, int *_priorityCeiling); extern int pthread_mutex_init(pthread_mutex_t *mutex, const pthread_mutexattr_t *attr); extern int pthread_mutex_lock(pthread_mutex_t *mutex); extern int pthread_mutex_setprioceiling(pthread_mutex_t *mutex, int newPriorityCeiling, int *_oldPriorityCeiling); extern int pthread_mutex_timedlock(pthread_mutex_t *mutex, const struct timespec *spec); extern int pthread_mutex_trylock(pthread_mutex_t *mutex); extern int pthread_mutex_unlock(pthread_mutex_t *mutex); /* mutex attribute functions */ extern int pthread_mutexattr_destroy(pthread_mutexattr_t *mutexAttr); extern int pthread_mutexattr_getprioceiling(pthread_mutexattr_t *mutexAttr, int *_priorityCeiling); extern int pthread_mutexattr_getprotocol(pthread_mutexattr_t *mutexAttr, int *_protocol); extern int pthread_mutexattr_getpshared(pthread_mutexattr_t *mutexAttr, int *_processShared); extern int pthread_mutexattr_gettype(pthread_mutexattr_t *mutexAttr, int *_type); extern int pthread_mutexattr_init(pthread_mutexattr_t *mutexAttr); extern int pthread_mutexattr_setprioceiling(pthread_mutexattr_t *mutexAttr, int priorityCeiling); extern int pthread_mutexattr_setprotocol(pthread_mutexattr_t *mutexAttr, int protocol); extern int pthread_mutexattr_setpshared(pthread_mutexattr_t *mutexAttr, int processShared); extern int pthread_mutexattr_settype(pthread_mutexattr_t *mutexAttr, int type); /* condition variable functions */ extern int pthread_cond_destroy(pthread_cond_t *cond); extern int pthread_cond_init(pthread_cond_t *cond, const pthread_condattr_t *attr); extern int pthread_cond_broadcast(pthread_cond_t *cond); extern int pthread_cond_signal(pthread_cond_t *cond); extern int pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex, const struct timespec *abstime); extern int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex); /* condition variable attribute functions */ extern int pthread_condattr_destroy(pthread_condattr_t *condAttr); extern int pthread_condattr_init(pthread_condattr_t *condAttr); extern int pthread_condattr_getpshared(const pthread_condattr_t *condAttr, int *processShared); extern int pthread_condattr_setpshared(pthread_condattr_t *condAttr, int processShared); /* misc. functions */ extern int pthread_atfork(void (*prepare)(void), void (*parent)(void), void (*child)(void)); extern int pthread_once(pthread_once_t *once_control, void (*init_routine)()); /* thread attributes functions */ extern int pthread_attr_destroy(pthread_attr_t *attr); extern int pthread_attr_init(pthread_attr_t *attr); extern int pthread_attr_getdetachstate(const pthread_attr_t *attr, int *detachstate); extern int pthread_attr_setdetachstate(pthread_attr_t *attr, int detachstate); /* thread functions */ extern int pthread_create(pthread_t *thread, const pthread_attr_t *attr, void *(*start_routine)(void*), void *arg); extern int pthread_detach(pthread_t thread); extern int pthread_equal(pthread_t t1, pthread_t t2); extern void pthread_exit(void *value_ptr); extern int pthread_join(pthread_t thread, void **_value); extern pthread_t pthread_self(void); extern int pthread_kill(pthread_t thread, int sig); extern int pthread_getconcurrency(void); extern int pthread_setconcurrency(int newLevel); extern int pthread_cancel(pthread_t thread); extern int pthread_setcancelstate(int state, int *_oldState); extern int pthread_setcanceltype(int type, int *_oldType); extern void pthread_testcancel(void); /* thread specific data functions */ extern int pthread_key_create(pthread_key_t *key, void (*destructorFunc)(void*)); extern int pthread_key_delete(pthread_key_t key); extern void *pthread_getspecific(pthread_key_t key); extern int pthread_setspecific(pthread_key_t key, const void *value); /* private functions */ extern void __pthread_cleanup_push_handler( struct __pthread_cleanup_handler *handler); extern struct __pthread_cleanup_handler *__pthread_cleanup_pop_handler(void); #ifdef __cplusplus } #endif #endif /* _PTHREAD_ */