usrsock:fix blocking socket connect operation hang issue
Issue description:
usrsock will wait for state.recvsem forever because no event triggers
state.recvsem post operation when connect operation in server side is
non-blocking.
Solution:
trigger state.recvsem post operation after receive USRSOCK_EVENT_SENDTO_READY.
@@ -65,7 +65,7 @@ static uint16_t connect_event(FAR struct net_driver_s *dev,
nxsem_post(&pstate->recvsem);
}
- else if (flags & USRSOCK_EVENT_REQ_COMPLETE)
+ else
{
ninfo("request completed.\n");
@@ -199,7 +199,8 @@ int usrsock_connect(FAR struct socket *psock,
ret = usrsock_setup_request_callback(conn, &state, connect_event,
USRSOCK_EVENT_ABORT |
- USRSOCK_EVENT_REQ_COMPLETE);
+ USRSOCK_EVENT_REQ_COMPLETE |
+ USRSOCK_EVENT_SENDTO_READY);
if (ret < 0)
{
nwarn("usrsock_setup_request_callback failed: %d\n", ret);
