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From: Poul-Henning Kamp <phk@FreeBSD.org>
Date: Wed, 17 Nov 2004 07:39:58 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
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X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/sys filedesc.h
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phk         2004-11-17 07:39:58 UTC

  FreeBSD src repository

  Modified files:
    sys/sys              filedesc.h 
  Log:
  Split the FILEDESC_LOCK in two variants.
  
  FILEDESC_LOCK_FAST will just grab the interlocking mutex and hold
  it.  This should be used for simple modifications of a field.
  
  FILEDESC_LOCK holds a (homegrown) sleepable lock which should be used
  where sleeping is required.
  
  The homegrown lock will probably be replaced with a generic type of lock
  once we have found out how that should look.
  
  Help and reviews by:    rwatson
  
  Revision  Changes    Path
  1.65      +57 -8     src/sys/sys/filedesc.h