1/* 2 * Copyright 2001-2011 Haiku, Inc. All Rights Reserved. 3 * Distributed under the terms of the Haiku License. 4 */ 5#ifndef _PTHREAD_H_ 6#define _PTHREAD_H_ 7 8 9#include <sched.h> 10#include <stdint.h> 11#include <sys/types.h> 12#include <time.h> 13 14 15#define PTHREAD_MUTEX_DEFAULT 0 16#define PTHREAD_MUTEX_NORMAL 1 17#define PTHREAD_MUTEX_ERRORCHECK 2 18#define PTHREAD_MUTEX_RECURSIVE 3 19 20#define PTHREAD_PROCESS_PRIVATE 0 21#define PTHREAD_PROCESS_SHARED 1 22 23/* 24 * Flags for threads and thread attributes. 25 */ 26#define PTHREAD_DETACHED 0x1 27#define PTHREAD_SCOPE_SYSTEM 0x2 28#define PTHREAD_INHERIT_SCHED 0x4 29#define PTHREAD_NOFLOAT 0x8 30 31#define PTHREAD_CREATE_DETACHED PTHREAD_DETACHED 32#define PTHREAD_CREATE_JOINABLE 0 33#define PTHREAD_SCOPE_PROCESS 0 34#define PTHREAD_EXPLICIT_SCHED 0 35 36/* 37 * Flags for cancelling threads 38 */ 39#define PTHREAD_CANCEL_ENABLE 0 40#define PTHREAD_CANCEL_DISABLE 1 41#define PTHREAD_CANCEL_DEFERRED 0 42#define PTHREAD_CANCEL_ASYNCHRONOUS 2 43#define PTHREAD_CANCELED ((void *) 1) 44 45#define PTHREAD_ONCE_INIT { -1 } 46 47#define PTHREAD_BARRIER_SERIAL_THREAD -1 48#define PTHREAD_PRIO_NONE 0 49#define PTHREAD_PRIO_INHERIT 1 50#define PTHREAD_PRIO_PROTECT 2 51 52/* private structure */ 53struct __pthread_cleanup_handler { 54 struct __pthread_cleanup_handler *previous; 55 void (*function)(void *argument); 56 void *argument; 57}; 58 59#define pthread_cleanup_push(func, arg) \ 60 do { \ 61 struct __pthread_cleanup_handler __handler; \ 62 __handler.function = (func); \ 63 __handler.argument = (arg); \ 64 __pthread_cleanup_push_handler(&__handler); 65 66#define pthread_cleanup_pop(execute) \ 67 if (execute) \ 68 __handler.function(__handler.argument); \ 69 __pthread_cleanup_pop_handler(); \ 70 } while (0) 71 72 73#ifdef __cplusplus 74extern "C" { 75#endif 76 77#define PTHREAD_MUTEX_INITIALIZER \ 78 { PTHREAD_MUTEX_DEFAULT, 0, -42, -1, 0 } 79#define PTHREAD_RECURSIVE_MUTEX_INITIALIZER \ 80 { PTHREAD_MUTEX_RECURSIVE, 0, -42, -1, 0 } 81#define PTHREAD_COND_INITIALIZER \ 82 { 0, -42, NULL, 0, 0 } 83 84/* mutex functions */ 85extern int pthread_mutex_destroy(pthread_mutex_t *mutex); 86extern int pthread_mutex_getprioceiling(pthread_mutex_t *mutex, 87 int *_priorityCeiling); 88extern int pthread_mutex_init(pthread_mutex_t *mutex, 89 const pthread_mutexattr_t *attr); 90extern int pthread_mutex_lock(pthread_mutex_t *mutex); 91extern int pthread_mutex_setprioceiling(pthread_mutex_t *mutex, 92 int newPriorityCeiling, int *_oldPriorityCeiling); 93extern int pthread_mutex_timedlock(pthread_mutex_t *mutex, 94 const struct timespec *spec); 95extern int pthread_mutex_trylock(pthread_mutex_t *mutex); 96extern int pthread_mutex_unlock(pthread_mutex_t *mutex); 97 98/* mutex attribute functions */ 99extern int pthread_mutexattr_destroy(pthread_mutexattr_t *mutexAttr); 100extern int pthread_mutexattr_getprioceiling(pthread_mutexattr_t *mutexAttr, 101 int *_priorityCeiling); 102extern int pthread_mutexattr_getprotocol(pthread_mutexattr_t *mutexAttr, 103 int *_protocol); 104extern int pthread_mutexattr_getpshared(pthread_mutexattr_t *mutexAttr, 105 int *_processShared); 106extern int pthread_mutexattr_gettype(pthread_mutexattr_t *mutexAttr, 107 int *_type); 108extern int pthread_mutexattr_init(pthread_mutexattr_t *mutexAttr); 109extern int pthread_mutexattr_setprioceiling(pthread_mutexattr_t *mutexAttr, 110 int priorityCeiling); 111extern int pthread_mutexattr_setprotocol(pthread_mutexattr_t *mutexAttr, 112 int protocol); 113extern int pthread_mutexattr_setpshared(pthread_mutexattr_t *mutexAttr, 114 int processShared); 115extern int pthread_mutexattr_settype(pthread_mutexattr_t *mutexAttr, int type); 116 117/* condition variable functions */ 118extern int pthread_cond_destroy(pthread_cond_t *cond); 119extern int pthread_cond_init(pthread_cond_t *cond, 120 const pthread_condattr_t *attr); 121extern int pthread_cond_broadcast(pthread_cond_t *cond); 122extern int pthread_cond_signal(pthread_cond_t *cond); 123extern int pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex, 124 const struct timespec *abstime); 125extern int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex); 126 127/* condition variable attribute functions */ 128extern int pthread_condattr_destroy(pthread_condattr_t *condAttr); 129extern int pthread_condattr_init(pthread_condattr_t *condAttr); 130extern int pthread_condattr_getpshared(const pthread_condattr_t *condAttr, 131 int *processShared); 132extern int pthread_condattr_setpshared(pthread_condattr_t *condAttr, 133 int processShared); 134 135/* rwlock functions */ 136extern int pthread_rwlock_init(pthread_rwlock_t *lock, 137 const pthread_rwlockattr_t *attr); 138extern int pthread_rwlock_destroy(pthread_rwlock_t *lock); 139extern int pthread_rwlock_rdlock(pthread_rwlock_t *lock); 140extern int pthread_rwlock_tryrdlock(pthread_rwlock_t *lock); 141extern int pthread_rwlock_timedrdlock(pthread_rwlock_t *lock, 142 const struct timespec *timeout); 143extern int pthread_rwlock_wrlock(pthread_rwlock_t *lock); 144extern int pthread_rwlock_trywrlock(pthread_rwlock_t *lock); 145extern int pthread_rwlock_timedwrlock(pthread_rwlock_t *lock, 146 const struct timespec *timeout); 147extern int pthread_rwlock_unlock(pthread_rwlock_t *lock); 148 149/* rwlock attribute functions */ 150extern int pthread_rwlockattr_init(pthread_rwlockattr_t *attr); 151extern int pthread_rwlockattr_destroy(pthread_rwlockattr_t *attr); 152extern int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *attr, 153 int *shared); 154extern int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *attr, 155 int shared); 156 157/* spinlock functions */ 158extern int pthread_spin_init(pthread_spinlock_t* spinlock, int pshared); 159extern int pthread_spin_destroy(pthread_spinlock_t* spinlock); 160extern int pthread_spin_lock(pthread_spinlock_t* spinlock); 161extern int pthread_spin_trylock(pthread_spinlock_t* spinlock); 162extern int pthread_spin_unlock(pthread_spinlock_t* spinlock); 163 164/* misc. functions */ 165extern int pthread_atfork(void (*prepare)(void), void (*parent)(void), 166 void (*child)(void)); 167extern int pthread_once(pthread_once_t *once_control, 168 void (*init_routine)(void)); 169 170/* thread attributes functions */ 171extern int pthread_attr_destroy(pthread_attr_t *attr); 172extern int pthread_attr_init(pthread_attr_t *attr); 173extern int pthread_attr_getdetachstate(const pthread_attr_t *attr, 174 int *detachstate); 175extern int pthread_attr_setdetachstate(pthread_attr_t *attr, int detachstate); 176extern int pthread_attr_getstacksize(const pthread_attr_t *attr, 177 size_t *stacksize); 178extern int pthread_attr_setstacksize(pthread_attr_t *attr, size_t stacksize); 179extern int pthread_attr_getscope(const pthread_attr_t *attr, 180 int *contentionScope); 181extern int pthread_attr_setscope(pthread_attr_t *attr, int contentionScope); 182 183extern int pthread_attr_getschedparam(const pthread_attr_t *attr, 184 struct sched_param *param); 185extern int pthread_attr_setschedparam(pthread_attr_t *attr, 186 const struct sched_param *param); 187 188extern int pthread_attr_getguardsize(const pthread_attr_t *attr, 189 size_t *guardsize); 190extern int pthread_attr_setguardsize(pthread_attr_t *attr, size_t guardsize); 191 192#if 0 /* Unimplemented attribute functions: */ 193 194/* [TPS] */ 195extern int pthread_attr_getinheritsched(const pthread_attr_t *attr, 196 int *inheritsched); 197extern int pthread_attr_setinheritsched(pthread_attr_t *attr, int inheritsched); 198 199extern int pthread_attr_getschedpolicy(const pthread_attr_t *attr, 200 int *policy); 201extern int pthread_attr_setschedpolicy(pthread_attr_t *attr, int policy); 202 203/* [TSA] */ 204extern int pthread_attr_getstackaddr(const pthread_attr_t *attr, 205 void **stackaddr); 206extern int pthread_attr_setstackaddr(pthread_attr_t *attr, void *stackaddr); 207 208/* [TSA TSS] */ 209extern int pthread_attr_getstack(const pthread_attr_t *attr, 210 void **stackaddr, size_t *stacksize); 211extern int pthread_attr_setstack(pthread_attr_t *attr, void *stackaddr, size_t stacksize); 212 213#endif /* 0 */ 214 215 216/* thread functions */ 217extern int pthread_create(pthread_t *thread, const pthread_attr_t *attr, 218 void *(*start_routine)(void*), void *arg); 219extern int pthread_detach(pthread_t thread); 220extern int pthread_equal(pthread_t t1, pthread_t t2); 221extern void pthread_exit(void *value_ptr); 222extern int pthread_join(pthread_t thread, void **_value); 223extern pthread_t pthread_self(void); 224extern int pthread_getconcurrency(void); 225extern int pthread_setconcurrency(int newLevel); 226 227extern int pthread_cancel(pthread_t thread); 228extern int pthread_setcancelstate(int state, int *_oldState); 229extern int pthread_setcanceltype(int type, int *_oldType); 230extern void pthread_testcancel(void); 231 232extern int pthread_getschedparam(pthread_t thread, int *policy, 233 struct sched_param *param); 234extern int pthread_setschedparam(pthread_t thread, int policy, 235 const struct sched_param *param); 236 237/* thread specific data functions */ 238extern int pthread_key_create(pthread_key_t *key, 239 void (*destructorFunc)(void*)); 240extern int pthread_key_delete(pthread_key_t key); 241extern void *pthread_getspecific(pthread_key_t key); 242extern int pthread_setspecific(pthread_key_t key, const void *value); 243 244/* private functions */ 245extern void __pthread_cleanup_push_handler( 246 struct __pthread_cleanup_handler *handler); 247extern struct __pthread_cleanup_handler *__pthread_cleanup_pop_handler(void); 248 249#ifdef __cplusplus 250} 251#endif 252 253#endif /* _PTHREAD_ */ 254