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Date:      Fri, 8 Aug 2008 14:36:21 +0000 (UTC)
From:      Robert Watson <rwatson@FreeBSD.org>
To:        src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   cvs commit: src/sys/kern kern_rwlock.c src/sys/sys rwlock.h
Message-ID:  <200808081436.m78Eat2W073974@repoman.freebsd.org>

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rwatson     2008-08-08 14:36:21 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_7)
    sys/kern             kern_rwlock.c 
    sys/sys              rwlock.h 
  Log:
  SVN rev 181429 on 2008-08-08 14:36:21Z by rwatson
  
  Merge r177843,178147 from head to stable/7:
  
    Add rw_try_rlock() and rw_try_wlock() to rwlocks.
    These functions try the specified operation (rlocking and wlocking) and
    true is returned if the operation completes, false otherwise.
  
    The KPI is enriched by this commit, so __FreeBSD_version bumping and
    manpage updating will happen soon.
  
    Requested by:   jeff, kris
  
    Trylocks were implemented, remove stale comment
  
  Discussed with: attilio, jhb
  
  Revision  Changes    Path
  1.28.4.4  +48 -0     src/sys/kern/kern_rwlock.c
  1.14.4.1  +4 -2      src/sys/sys/rwlock.h



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