1 /* 2 * Copyright 2001-2008, 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 <time.h> 10 11 12 typedef int pthread_t; 13 typedef struct _pthread_attr *pthread_attr_t; 14 typedef struct _pthread_mutex *pthread_mutex_t; 15 typedef struct _pthread_mutexattr *pthread_mutexattr_t; 16 typedef struct _pthread_cond *pthread_cond_t; 17 typedef struct _pthread_condattr *pthread_condattr_t; 18 typedef int pthread_key_t; 19 typedef struct _pthread_once pthread_once_t; 20 typedef struct _pthread_rwlock *pthread_rwlock_t; 21 typedef struct _pthread_rwlockattr *pthread_rwlockattr_t; 22 typedef struct _pthread_barrier *pthread_barrier_t; 23 typedef struct _pthread_barrierattr *pthread_barrierattr_t; 24 typedef struct _pthread_spinlock *pthread_spinlock_t; 25 26 struct _pthread_once { 27 int state; 28 pthread_mutex_t mutex; 29 }; 30 31 32 enum pthread_mutex_type { 33 PTHREAD_MUTEX_DEFAULT, 34 PTHREAD_MUTEX_NORMAL, 35 PTHREAD_MUTEX_ERRORCHECK, 36 PTHREAD_MUTEX_RECURSIVE, 37 }; 38 39 enum pthread_process_shared { 40 PTHREAD_PROCESS_PRIVATE, 41 PTHREAD_PROCESS_SHARED, 42 }; 43 44 /* 45 * Flags for threads and thread attributes. 46 */ 47 #define PTHREAD_DETACHED 0x1 48 #define PTHREAD_SCOPE_SYSTEM 0x2 49 #define PTHREAD_INHERIT_SCHED 0x4 50 #define PTHREAD_NOFLOAT 0x8 51 52 #define PTHREAD_CREATE_DETACHED PTHREAD_DETACHED 53 #define PTHREAD_CREATE_JOINABLE 0 54 #define PTHREAD_SCOPE_PROCESS 0 55 #define PTHREAD_EXPLICIT_SCHED 0 56 57 /* 58 * Flags for cancelling threads 59 */ 60 #define PTHREAD_CANCEL_ENABLE 0 61 #define PTHREAD_CANCEL_DISABLE 1 62 #define PTHREAD_CANCEL_DEFERRED 0 63 #define PTHREAD_CANCEL_ASYNCHRONOUS 2 64 #define PTHREAD_CANCELED ((void *) 1) 65 66 #define PTHREAD_NEEDS_INIT 0 67 #define PTHREAD_DONE_INIT 1 68 #define PTHREAD_ONCE_INIT { PTHREAD_NEEDS_INIT, NULL } 69 70 #define PTHREAD_BARRIER_SERIAL_THREAD -1 71 #define PTHREAD_PRIO_NONE 0 72 #define PTHREAD_PRIO_INHERIT 1 73 #define PTHREAD_PRIO_PROTECT 2 74 75 //extern pthread_mutexattr_t pthread_mutexattr_default; 76 77 /* private structure */ 78 struct __pthread_cleanup_handler { 79 struct __pthread_cleanup_handler *previous; 80 void (*function)(void *argument); 81 void *argument; 82 }; 83 84 #define pthread_cleanup_push(func, arg) \ 85 do { \ 86 struct __pthread_cleanup_handler __handler; \ 87 __handler.function = (func); \ 88 __handler.argument = (arg); \ 89 __pthread_cleanup_push_handler(&__handler); 90 91 #define pthread_cleanup_pop(execute) \ 92 if (execute) \ 93 __handler.function(__handler.argument); \ 94 __pthread_cleanup_pop_handler(); \ 95 } while (0) 96 97 98 #ifdef __cplusplus 99 extern "C" { 100 #endif 101 102 extern pthread_mutex_t _pthread_mutex_static_initializer(void); 103 extern pthread_mutex_t _pthread_recursive_mutex_static_initializer(void); 104 #define PTHREAD_MUTEX_INITIALIZER NULL 105 #define PTHREAD_RECURSIVE_MUTEX_INITIALIZER \ 106 pthread_recursive_mutex_static_initializer(); 107 108 extern pthread_cond_t _pthread_cond_static_initializer(void); 109 #define PTHREAD_COND_INITIALIZER _pthread_cond_static_initializer(); 110 111 /* mutex functions */ 112 extern int pthread_mutex_destroy(pthread_mutex_t *mutex); 113 extern int pthread_mutex_getprioceiling(pthread_mutex_t *mutex, 114 int *_priorityCeiling); 115 extern int pthread_mutex_init(pthread_mutex_t *mutex, 116 const pthread_mutexattr_t *attr); 117 extern int pthread_mutex_lock(pthread_mutex_t *mutex); 118 extern int pthread_mutex_setprioceiling(pthread_mutex_t *mutex, 119 int newPriorityCeiling, int *_oldPriorityCeiling); 120 extern int pthread_mutex_timedlock(pthread_mutex_t *mutex, 121 const struct timespec *spec); 122 extern int pthread_mutex_trylock(pthread_mutex_t *mutex); 123 extern int pthread_mutex_unlock(pthread_mutex_t *mutex); 124 125 /* mutex attribute functions */ 126 extern int pthread_mutexattr_destroy(pthread_mutexattr_t *mutexAttr); 127 extern int pthread_mutexattr_getprioceiling(pthread_mutexattr_t *mutexAttr, 128 int *_priorityCeiling); 129 extern int pthread_mutexattr_getprotocol(pthread_mutexattr_t *mutexAttr, 130 int *_protocol); 131 extern int pthread_mutexattr_getpshared(pthread_mutexattr_t *mutexAttr, 132 int *_processShared); 133 extern int pthread_mutexattr_gettype(pthread_mutexattr_t *mutexAttr, 134 int *_type); 135 extern int pthread_mutexattr_init(pthread_mutexattr_t *mutexAttr); 136 extern int pthread_mutexattr_setprioceiling(pthread_mutexattr_t *mutexAttr, 137 int priorityCeiling); 138 extern int pthread_mutexattr_setprotocol(pthread_mutexattr_t *mutexAttr, 139 int protocol); 140 extern int pthread_mutexattr_setpshared(pthread_mutexattr_t *mutexAttr, 141 int processShared); 142 extern int pthread_mutexattr_settype(pthread_mutexattr_t *mutexAttr, int type); 143 144 /* condition variable functions */ 145 extern int pthread_cond_destroy(pthread_cond_t *cond); 146 extern int pthread_cond_init(pthread_cond_t *cond, 147 const pthread_condattr_t *attr); 148 extern int pthread_cond_broadcast(pthread_cond_t *cond); 149 extern int pthread_cond_signal(pthread_cond_t *cond); 150 extern int pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex, 151 const struct timespec *abstime); 152 extern int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex); 153 154 /* condition variable attribute functions */ 155 extern int pthread_condattr_destroy(pthread_condattr_t *condAttr); 156 extern int pthread_condattr_init(pthread_condattr_t *condAttr); 157 extern int pthread_condattr_getpshared(const pthread_condattr_t *condAttr, 158 int *processShared); 159 extern int pthread_condattr_setpshared(pthread_condattr_t *condAttr, 160 int processShared); 161 162 /* misc. functions */ 163 extern int pthread_atfork(void (*prepare)(void), void (*parent)(void), 164 void (*child)(void)); 165 extern int pthread_once(pthread_once_t *once_control, void (*init_routine)()); 166 167 /* thread attributes functions */ 168 extern int pthread_attr_destroy(pthread_attr_t *attr); 169 extern int pthread_attr_init(pthread_attr_t *attr); 170 extern int pthread_attr_getdetachstate(const pthread_attr_t *attr, 171 int *detachstate); 172 extern int pthread_attr_setdetachstate(pthread_attr_t *attr, int detachstate); 173 174 /* thread functions */ 175 extern int pthread_create(pthread_t *thread, const pthread_attr_t *attr, 176 void *(*start_routine)(void*), void *arg); 177 extern int pthread_detach(pthread_t thread); 178 extern int pthread_equal(pthread_t t1, pthread_t t2); 179 extern void pthread_exit(void *value_ptr); 180 extern int pthread_join(pthread_t thread, void **_value); 181 extern pthread_t pthread_self(void); 182 extern int pthread_kill(pthread_t thread, int sig); 183 extern int pthread_getconcurrency(void); 184 extern int pthread_setconcurrency(int newLevel); 185 186 extern int pthread_cancel(pthread_t thread); 187 extern int pthread_setcancelstate(int state, int *_oldState); 188 extern int pthread_setcanceltype(int type, int *_oldType); 189 extern void pthread_testcancel(void); 190 191 /* thread specific data functions */ 192 extern int pthread_key_create(pthread_key_t *key, 193 void (*destructorFunc)(void*)); 194 extern int pthread_key_delete(pthread_key_t key); 195 extern void *pthread_getspecific(pthread_key_t key); 196 extern int pthread_setspecific(pthread_key_t key, const void *value); 197 198 /* private functions */ 199 extern void __pthread_cleanup_push_handler( 200 struct __pthread_cleanup_handler *handler); 201 extern struct __pthread_cleanup_handler *__pthread_cleanup_pop_handler(void); 202 203 #ifdef __cplusplus 204 } 205 #endif 206 207 #endif /* _PTHREAD_ */ 208