void *stk_async_queue_pop(stk_async_queue_t *queue)
{
void *data;
__queue_data_t *elt;
pthread_mutex_lock(&queue->mutex);
if (stk_list_empty(&queue->list)) {
#ifdef STK_DEBUG
stk_log_debug("if asynchronous queue has no element, return NULL");
pthread_mutex_unlock(&queue->mutex);
return NULL;
#else
stk_log_debug("the asynchronous queue has no element, wait for data");
pthread_cond_wait(&queue->cond, &queue->mutex);
#endif
}
elt = stk_list_pop_entry(&queue->list, __queue_data_t, list);
data = elt->data;
stk_pool_cleanup_del(queue->pool, elt);
pthread_mutex_unlock(&queue->mutex);
return data;
}
stk_socket_t stk_accept(stk_socket_t listening_fd,
struct sockaddr_in *client_addr)
{
/* TODO: for use STK_AGIN when accept errno is EAGAIN */
stk_socket_t client_fd;
socklen_t client_fd_len = sizeof(struct sockaddr_in);
if ((client_fd = accept(listening_fd, (struct sockaddr *)client_addr,
&client_fd_len))
< 0)
{
stk_log_error("listening_fd accept failed! errno:[%d]", errno);
if (stk_socket_is_nonblocking(listening_fd)) {
if (errno == EAGAIN) {
stk_log_debug("accept() not ready! errno:[%d]", errno);
return STK_AGAIN;
}
}
return STK_ERR;
}
stk_log_info("accept a client[%d] connect!", client_fd);
return client_fd;
}
