void __pthread_destroy_specific (struct __pthread *thread) { int i; int seen_one; /* Check if there is any thread specific data. */ if (thread->thread_specifics == NULL) return; __pthread_key_lock_ready (); /* Iterate and call the destructors on any thread specific data. */ for (;;) { seen_one = 0; __pthread_mutex_lock (&__pthread_key_lock); for (i = 0; i < __pthread_key_count && i < thread->thread_specifics_size; i++) { void *value; if (__pthread_key_destructors[i] == PTHREAD_KEY_INVALID) continue; value = thread->thread_specifics[i]; if (value != NULL) { thread->thread_specifics[i] = 0; if (__pthread_key_destructors[i]) { seen_one = 1; __pthread_key_destructors[i] (value); } } } __pthread_mutex_unlock (&__pthread_key_lock); if (!seen_one) break; /* This may take a very long time. Let those blocking on pthread_key_create or pthread_key_delete make progress. */ sched_yield (); } free (thread->thread_specifics); thread->thread_specifics = 0; thread->thread_specifics_size = 0; }
void __pthread_destroy_specific (struct __pthread *thread) { error_t err; int i; int seen_one; /* Check if there is any thread specific data. */ if (! thread->thread_specifics) return; __pthread_key_lock_ready (); /* Iterate and call the destructors on any thread specific data. */ for (;;) { seen_one = 0; __pthread_mutex_lock (&__pthread_key_lock); for (i = 0; i < __pthread_key_count; i ++) { void *value; if (__pthread_key_destructors[i] == PTHREAD_KEY_INVALID) continue; value = hurd_ihash_find (thread->thread_specifics, i); if (value) { err = hurd_ihash_remove (thread->thread_specifics, i); assert (err == 1); if (__pthread_key_destructors[i]) { seen_one = 1; __pthread_key_destructors[i] (value); } } } __pthread_mutex_unlock (&__pthread_key_lock); if (! seen_one) break; /* This may take a very long time. Let those blocking on pthread_key_create or pthread_key_delete make progress. */ sched_yield (); } hurd_ihash_free (thread->thread_specifics); thread->thread_specifics = 0; }