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From: Robert Watson <rwatson@FreeBSD.org>
Date: Fri, 6 Feb 2009 12:22:00 +0000 (UTC)
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X-FreeBSD-CVS-Branch: RELENG_7
Subject: cvs commit: src/sys/security/audit audit_pipe.c
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rwatson     2009-02-06 12:22:00 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_7)
    sys/security/audit   audit_pipe.c 
  Log:
  SVN rev 188227 on 2009-02-06 12:22:00Z by rwatson
  
  Merge r184489 from head to stable/7:
  
    When we drop an audit record going to and audit pipe because the audit
    pipe has overflowed, drop the newest, rather than oldest, record.  This
    makes overflow drop behavior consistent with memory allocation failure
    leading to drop, avoids touching the consumer end of the queue from a
    producer, and lowers the CPU overhead of dropping a record by dropping
    before memory allocation and copying.
  
    Obtained from:        Apple, Inc.
  
  Revision  Changes    Path
  1.11.2.5  +9 -13     src/sys/security/audit/audit_pipe.c