[lwip-devel] [bug #21356] client thread freezes after MEMP_TCPIP_MSG starvation

[Marc Chaland]

URL:
  <http://savannah.nongnu.org/bugs/?21356>

                 Summary: client thread freezes after MEMP_TCPIP_MSG
starvation
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: chaland
            Submitted on: mercredi 17.10.2007 à 09:50
                Category: sockets
                Severity: 3 - Normal
              Item Group: Faulty Behaviour
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: 

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Details:

When no more MEMP for TCPIP msg is available, client thread are stuck into
mbox_fetch(conn->mbox) as tcpip thread doesn't receive the request.
I've made a patch: sys_mbox_post and tcpip_apimsg return error code when
allocation fails and netconn_* functions manages this to avoid mbox_fetch on
conn->mbox.



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File Attachments:


-------------------------------------------------------
Date: mercredi 17.10.2007 à 09:50  Name: lwip-1.2.0.patch  Size: 6 ko   By:
chaland

<http://savannah.nongnu.org/bugs/download.php?file_id=14154>

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