int8_t queue_destroy_internal(queue_t *q, uint8_t fd, void (*ff)(void *)) {
// this method will not immediately return on error,
// it will try to release all the memory that was allocated.
int error = Q_OK;
// make sure no new data comes and wake all waiting threads
error = queue_set_new_data(q, 0);
error = queue_lock_internal(q);
// release internal element memory
error = queue_flush_internal(q, fd, ff);
// destroy lock and queue etc
error = pthread_cond_destroy(q->cond_get);
free(q->cond_get);
error = pthread_cond_destroy(q->cond_put);
free(q->cond_put);
error = queue_unlock_internal(q);
while(EBUSY == (error = pthread_mutex_destroy(q->mutex)))
sleepmilli(100);
free(q->mutex);
// destroy queue
free(q);
return error;
}
int8_t queue_destroy_internal(queue_t *q, uint8_t fd, void (*ff)(void *)) {
// make sure no new data comes and wake all waiting threads
int8_t r = queue_set_new_data(q, 0);
if (r != Q_OK)
return r;
// release internal element memory
r = queue_flush_internal(q, fd, ff);
if (r != Q_OK)
return r;
// destroy lock and queue etc
pthread_cond_destroy(q->cond_get);
free(q->cond_get);
pthread_cond_destroy(q->cond_put);
free(q->cond_put);
while(EBUSY == pthread_mutex_destroy(q->mutex))
usleep(100 * 1000);
free(q->mutex);
// destroy queue
free(q);
return Q_OK;
}
