int q_add(void *qt, void *func, void *arg)
{
ASSERT(qt);
ASSERT(func);
/*arg possible NULL*/
Q_t *q = (Q_t*)qt;
pthread_mutex_lock(&q->mutex);
if (OK == q_isfull(q)) {
pthread_mutex_unlock(&q->mutex);
return ERROR;
}
ASSERT(q->last->func == NULL);
q->last->func = func;
q->last->arg = arg;
q->last++;
if (q->last == q->first + 1) {
ASSERT(1 == q_length(q));
dump(L_DEBUG, "Queue send signal, has data");
pthread_cond_signal(&q->has_data_cond);
}
if (q->last == q->head + q->size)
q->last = q->head;
dump(L_DEBUG, "Add Queue Length %d", q_length(q));
pthread_mutex_unlock(&q->mutex);
return OK;
}
bool q_pushback(Queue *q, int v) {
if (q_isfull(q)) {
return false;
}
q->a[q->end] = v;
q->end = q_inc(q, q->end);
return true;
}
