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From: Dmitry Chagin <dchagin@FreeBSD.org>
Date: Sun, 19 Apr 2009 13:48:42 +0000 (UTC)
To: cvs-src-old@freebsd.org
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Subject: cvs commit: src/sys/compat/linux linux_emul.c linux_emul.h
 linux_futex.c
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dchagin     2009-04-19 13:48:42 UTC

  FreeBSD src repository

  Modified files:
    sys/compat/linux     linux_emul.c linux_emul.h linux_futex.c 
  Log:
  SVN rev 191269 on 2009-04-19 13:48:42Z by dchagin
  
  Remove support for FUTEX_REQUEUE operation.
  Glibc does not use this operation since 2.3.3 version (Jun 2004),
  as it is racy and replaced by FUTEX_CMP_REQUEUE operation.
  Glibc versions prior to 2.3.3 fall back to FUTEX_WAKE when
  FUTEX_REQUEUE returned EINVAL.
  
  Any application directly using FUTEX_REQUEUE without return
  value checking are definitely broken.
  
  Limit quantity of messages per process about unsupported
  operation.
  
  Approved by:    kib (mentor)
  MFC after:      1 month
  
  Revision  Changes    Path
  1.23      +1 -0      src/sys/compat/linux/linux_emul.c
  1.10      +1 -0      src/sys/compat/linux/linux_emul.h
  1.19      +18 -13    src/sys/compat/linux/linux_futex.c