[lwip-devel] [bug #20147] getsockopt() with SO_ERROR option

[Srinivas Gollakota]

URL:
  <http://savannah.nongnu.org/bugs/?20147>

                 Summary: getsockopt() with SO_ERROR option 
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: gollakota
            Submitted on: Monday 06/11/2007 at 10:10
                Category: TCP
                Severity: 3 - Normal
              Item Group: Faulty Behaviour
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any

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Details:

socket error(sock->err) is not being set if connection is closed at the TCP
level.

For example if keep-alive timer is enabled and timer expires we close the
connection in tcp_slowtmr()/tcp_abort(). Socket layer is not aware of the
closed connection. If application queries with getsockopt()/SO_ERROR option
are'nt we suppose to return error(EINVAL?) if conn->err is set for the
socket?
-Srinivas.




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