21 void *pthread_getspecific(pthread_key_t key)  in pthread_getspecific()  argument
31     if ((key < PTHREAD_KEY_MAX) && (_thread_keys[key].is_used))  in pthread_getspecific()
32         return ptd->tls[key];  in pthread_getspecific()
38 int pthread_setspecific(pthread_key_t key, const void *value)  in pthread_setspecific()  argument
51     if ((key < PTHREAD_KEY_MAX) && _thread_keys[key].is_used)  in pthread_setspecific()
53         ptd->tls[key] = (void *)value;  in pthread_setspecific()
62 int pthread_key_create(pthread_key_t *key, void (*destructor)(void*))  in pthread_key_create()  argument
74             *key = index;  in pthread_key_create()
88 int pthread_key_delete(pthread_key_t key)  in pthread_key_delete()  argument
90     if (key >= PTHREAD_KEY_MAX)  in pthread_key_delete()
94     _thread_keys[key].is_used = 0;  in pthread_key_delete()
95     _thread_keys[key].destructor = 0;  in pthread_key_delete()