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From: David Xu <davidxu@FreeBSD.org>
Date: Mon, 8 Feb 2010 07:31:05 +0000 (UTC)
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Subject: cvs commit: src/sys/kern kern_umtx.c
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davidxu     2010-02-08 07:31:05 UTC

  FreeBSD src repository

  Modified files:
    sys/kern             kern_umtx.c 
  Log:
  SVN rev 203657 on 2010-02-08 07:31:05Z by davidxu
  
  Set waiters flag before checking semaphore's counter,
  otherwise we might lose a wakeup. Tested on postgresql database server.
  
  Revision  Changes    Path
  1.82      +2 -5      src/sys/kern/kern_umtx.c