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From: "Christian S.J. Peron" <csjp@FreeBSD.org>
Date: Fri, 12 Oct 2007 15:09:02 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc: 
Subject: cvs commit: src/sys/security/audit audit_pipe.c
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csjp        2007-10-12 15:09:02 UTC

  FreeBSD src repository

  Modified files:
    sys/security/audit   audit_pipe.c 
  Log:
  - Change the wakeup logic associated with having multiple sleepers
    on multiple different audit pipes.  The old method used cv_signal()
    which would result in only one thread being woken up after we
    appended a record to it's queue.  This resulted in un-timely wake-ups
    when processing audit records real-time.
  
  - Assign PSOCK priority to threads that have been sleeping on a read(2).
    This is the same priority threads are woken up with when they select(2)
    or poll(2).  This yields fairness between various forms of sleep on
    the audit pipes.
  
  Obtained from:  TrustedBSD Project
  Discussed with: rwatson
  MFC after:      1 week
  
  Revision  Changes    Path
  1.12      +2 -2      src/sys/security/audit/audit_pipe.c