[Bug 7178] New: long pause when Warcraft 3 is returning from LAN screen

Wine Bugs wine-bugs at winehq.org
Mon Jan 15 04:06:34 CST 2007


           Summary: long pause when Warcraft 3 is returning from LAN screen
           Product: Wine
           Version: 0.9.27.
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: wine-net
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: damjan.jov at gmail.com

When returning from the LAN game page to the main menu, Warcraft 3 hangs for
about 5 seconds (the sound stutters and the graphics freeze).

Bug occurs from 0.9.27 up to and including 0.9.29 (so far), regression testing
revealed this patch as the cause:

(Ironically, this patch fixes another timeout bug in Warcraft 3)

A +tid,+winsock trace reveals that:
- There is 2 (relevant) threads
- One thread keeps polling the socket with select().
- The other thread calls closesocket() upon exit from the LAN menu.
- Without the patch causing the regression, the polling thread polls once more,
select returns 0, and then it stops polling.
- With the patch that causes the regression, the polling thread polls, select
returns 1, and then it calls select and WSARecvFrom again and again for about 5
- Patching WS_select to return 0 does not fix the problem.

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