[lwip-devel] [patch #7957] Implementation for ioctl / SO_ERROR provided.

[Thomas Taranowski]

URL:
  <http://savannah.nongnu.org/patch/?7957>

                 Summary: Implementation for ioctl / SO_ERROR provided.
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: taranowski
            Submitted on: Mon 25 Feb 2013 03:53:14 AM GMT
                Category: sockets/netconn
                Priority: 5 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None

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Details:

Code was added to return the last error for a socket in response to the
SO_ERROR ioctl request.

The patch file is attached, but the implementation is trivial, and is pasted
below for convenience.

Index: api/sockets.c
===================================================================
--- api/sockets.c       (revision 27558)
+++ api/sockets.c       (revision 27632)
@@ -1509,6 +1509,9 @@
     /* UNIMPL case SO_DEBUG: */
     /* UNIMPL case SO_DONTROUTE: */
     case SO_ERROR:
+       *optlen = sizeof(int);
+       *((int*)optval) = lwip_get_sockerr(s);
+       break;
     case SO_KEEPALIVE:
     /* UNIMPL case SO_CONTIMEO: */
     /* UNIMPL case SO_SNDTIMEO: */





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File Attachments:


-------------------------------------------------------
Date: Mon 25 Feb 2013 03:53:14 AM GMT  Name: so_error_feature.patch  Size:
454B   By: taranowski

<http://savannah.nongnu.org/patch/download.php?file_id=27521>

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