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Correct and error in recv() and recvfrom() return value

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git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4402 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo
2012-02-18 18:13:30 +00:00
parent f60d578a46
commit f04310d559
24 changed files with 189 additions and 128 deletions
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nuttx/net/sendto.c
+2 -11
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@@ -103,22 +103,13 @@ static uint16_t sendto_interrupt(struct uip_driver_s *dev, void *conn,
nllvdbg("flags: %04x\n", flags);
if (pstate)
{
/* Check if the connection was rejected */
if ((flags & (UIP_CLOSE|UIP_ABORT|UIP_TIMEDOUT)) != 0)
{
/* Yes.. then terminate with an error */
pstate->st_sndlen = -ENOTCONN;
}
/* Check if the outgoing packet is available (it may have been claimed
* by a sendto interrupt serving a different thread -OR- if the output
* buffer currently contains unprocessed incoming data. In these cases
* we will just have to wait for the next polling cycle.
*/
else if (dev->d_sndlen > 0 || (flags & UIP_NEWDATA) != 0)
if (dev->d_sndlen > 0 || (flags & UIP_NEWDATA) != 0)
{
/* Another thread has beat us sending data or the buffer is busy,
* wait for the next polling cycle
@@ -314,7 +305,7 @@ ssize_t psock_sendto(FAR struct socket *psock, FAR const void *buf,
state.st_cb = uip_udpcallbackalloc(conn);
if (state.st_cb)
{
state.st_cb->flags = UIP_POLL|UIP_CLOSE|UIP_ABORT|UIP_TIMEDOUT;
state.st_cb->flags = UIP_POLL;
state.st_cb->priv = (void*)&state;
state.st_cb->event = sendto_interrupt;