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zephyr/modusocket: First step to switch to alternative FIFO processing.

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Here we wait for non-empty FIFO, and then directly access/drop its head
element.
This commit is contained in:
Paul Sokolovsky 2017-05-16 13:43:06 +03:00
parent 88c51c3592
commit a3008e447c
1 changed files with 4 additions and 2 deletions
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6
zephyr/modusocket.c
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@ -399,12 +399,14 @@ 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"); DEBUG_printf("TCP recv: no cur_pkt, getting\n");
struct net_pkt *pkt = k_fifo_get(&socket->recv_q, K_FOREVER); _k_fifo_wait_non_empty(&socket->recv_q, K_FOREVER);
struct net_pkt *pkt = _k_fifo_peek_head(&socket->recv_q);
if (pkt == NULL) { if (pkt == NULL) {
DEBUG_printf("TCP recv: NULL return from fifo\n"); DEBUG_printf("TCP recv: NULL return from fifo\n");
continue; continue;
} }
// Drop head packet from queue
k_fifo_get(&socket->recv_q, K_NO_WAIT);
DEBUG_printf("TCP recv: new cur_pkt: %p\n", pkt); DEBUG_printf("TCP recv: new cur_pkt: %p\n", pkt);
socket->cur_pkt = pkt; socket->cur_pkt = pkt;