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From: Alexander Leidinger <netchild@FreeBSD.org>
Date: Mon, 15 Nov 2010 13:03:35 +0000 (UTC)
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Subject: cvs commit: src/sys/compat/linux linux_futex.c linux_futex.h
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netchild    2010-11-15 13:03:35 UTC

  FreeBSD src repository

  Modified files:
    sys/compat/linux     linux_futex.c linux_futex.h 
  Log:
  SVN rev 215338 on 2010-11-15 13:03:35Z by netchild
  
  - print out the PID and program name of the program trying to use an
    unsupported futex operation
  - for those futex operations which are known to be not supported,
    print out which futex operation it is
  - shortcut the error return of the unsupported FUTEX_CLOCK_REALTIME in
    some cases:
      FUTEX_CLOCK_REALTIME can be used to tell linux to use
      CLOCK_REALTIME instead of CLOCK_MONOTONIC. FUTEX_CLOCK_REALTIME
      however must only be set, if either FUTEX_WAIT_BITSET or
      FUTEX_WAIT_REQUEUE_PI are set too. If that's not the case
      we can die with ENOSYS right at the beginning.
  
  Submitted by:   arundel
  Reviewed by:    rdivacky (earlier iteration of the patch)
  MFC after:      1 week
  
  Revision  Changes    Path
  1.27      +42 -6     src/sys/compat/linux/linux_futex.c
  1.8       +12 -9     src/sys/compat/linux/linux_futex.h