diff options
| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-09-01 15:22:54 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-09-01 15:22:54 +0000 |
| commit | be49f2a7430aa0dd9c0c09002af15bb2618cadb0 (patch) | |
| tree | a4e4aa6be32a7606a0f2a3cfdc429f0543bbe8c2 /nuttx/net/send.c | |
| parent | 17edc87d5eadbdcd81add3cd4ff8941fee253e14 (diff) | |
| download | px4-nuttx-be49f2a7430aa0dd9c0c09002af15bb2618cadb0.tar.gz px4-nuttx-be49f2a7430aa0dd9c0c09002af15bb2618cadb0.tar.bz2 px4-nuttx-be49f2a7430aa0dd9c0c09002af15bb2618cadb0.zip | |
Verify UDP support
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@859 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/net/send.c')
| -rw-r--r-- | nuttx/net/send.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/nuttx/net/send.c b/nuttx/net/send.c index 872adb391..14b9dc8cf 100644 --- a/nuttx/net/send.c +++ b/nuttx/net/send.c @@ -1,7 +1,7 @@ /**************************************************************************** * net/send.c * - * Copyright (C) 2007 Gregory Nutt. All rights reserved. + * Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <spudmonkey@racsa.co.cr> * * Redistribution and use in source and binary forms, with or without @@ -256,9 +256,23 @@ static uint16 send_interrupt(struct uip_driver_s *dev, void *pvconn, goto end_wait; } + /* Check if the outgoing packet is available (it may have been claimed + * by a sendto interrupt serving a different thread. + */ + +#if 0 /* We can't really support multiple senders on the same TCP socket */ + else if (dev->d_sndlen > 0) + { + /* Another thread has beat us sending data, wait for the next poll */ + + return flags; + } +#endif + /* We get here if (1) not all of the data has been ACKed, (2) we have been - * asked to retransmit data, and (3) the connection is still healthy. - * We are now free to send more data to receiver. + * asked to retransmit data, (3) the connection is still healthy, and (4) + * the outgoing packet is available for our use. In this case, we are + * now free to send more data to receiver. */ if (pstate->snd_sent < pstate->snd_buflen) |