Commit 86c4544e authored by Paul Sokolovsky's avatar Paul Sokolovsky
Browse files

zephyr/modusocket: If there're no packets in recv_q, cancel waiter.

This solves a case when socker_read() has blocked on fifo, and then peer
closed event arrives.
parent 69f0b4ad
......@@ -153,6 +153,7 @@ static void sock_received_cb(struct net_context *context, struct net_pkt *pkt, i
struct net_pkt *last_pkt = _k_fifo_peek_tail(&socket->recv_q);
if (last_pkt == NULL) {
socket->state = STATE_PEER_CLOSED;
DEBUG_printf("Marked socket %p as peer-closed\n", socket);
} else {
// We abuse "buf_sent" flag to store EOF flag
......@@ -378,6 +379,11 @@ STATIC mp_uint_t sock_read(mp_obj_t self_in, void *buf, mp_uint_t max_len, int *
DEBUG_printf("TCP recv: no cur_pkt, getting\n");
struct net_pkt *pkt = k_fifo_get(&socket->recv_q, K_FOREVER);
if (pkt == NULL) {
DEBUG_printf("TCP recv: NULL return from fifo\n");
DEBUG_printf("TCP recv: new cur_pkt: %p\n", pkt);
socket->cur_pkt = pkt;
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