diff options
Diffstat (limited to 'nuttx/net/sendto.c')
| -rw-r--r-- | nuttx/net/sendto.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/nuttx/net/sendto.c b/nuttx/net/sendto.c index bba9c5b47..b14f301a2 100644 --- a/nuttx/net/sendto.c +++ b/nuttx/net/sendto.c @@ -244,9 +244,26 @@ ssize_t sendto(int sockfd, const void *buf, size_t len, int flags, udp_conn = (struct uip_udp_conn *)psock->s_conn; udp_conn->private = (void*)&state; udp_conn->callback = sendto_interrupt; - irqrestore(save); + + /* Enable the UDP socket */ + + uip_udpenable(psock->s_conn); + + /* Wait for either the receive to complete or for an error/timeout to occur. + * NOTES: (1) sem_wait will also terminate if a signal is received, (2) + * interrupts are disabled! They will be re-enabled while the task sleeps + * and automatically re-enabled when the task restarts. + */ sem_wait(&state.st_sem); + + /* Make sure that no further interrupts are processed */ + + uip_udpdisable(psock->s_conn); + udp_conn->private = NULL; + udp_conn->callback = NULL; + irqrestore(save); + sem_destroy(&state.st_sem); /* Set the socket state to idle */ |