[lwip-devel] [bug #27996] Thread-safety of tcp_timer_needed()

[Albert Bartel]

URL:
  <http://savannah.nongnu.org/bugs/?27996>

                 Summary: Thread-safety of tcp_timer_needed()
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: albertb
            Submitted on: Mi 11 Nov 2009 13:53:00 GMT
                Category: TCP
                Severity: 3 - Normal
              Item Group: Faulty Behaviour
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: 
            lwIP version: CVS Head

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Details:

The function tcp_timer_needed(void) should not call

sys_timeout(TCP_TMR_INTERVAL, tcpip_tcp_timer, NULL);

directly, but tell the tcpip thread to set the timeout thread-safe by calling
the existing function

tcpip_timeout(TCP_TMR_INTERVAL, tcpip_tcp_timer, NULL);

that sends TCPIP_MSG_TIMEOUT to the tcpip thread.




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