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From: Jilles Tjoelker <jilles@FreeBSD.org>
Date: Tue, 25 Jan 2011 23:02:25 +0000 (UTC)
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X-FreeBSD-CVS-Branch: RELENG_8
Subject: cvs commit: src/usr.bin/sed main.c
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jilles      2011-01-25 23:02:25 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_8)
    usr.bin/sed          main.c 
  Log:
  SVN rev 217863 on 2011-01-25 23:02:25Z by jilles
  
  MFC r217133:   sed: Try hard links to make -i target available continually.
  
  When creating a backup file, sed renamed the original before renaming the
  changed copy into place, leading to a short time when no file with the
  original name was present (usually only visible on SMP systems). Try
  creating the backup file using a hard link instead, avoiding this problem.
  If creating the hard link fails for any reason, fall back to the old rename
  method.
  
  When not creating a backup file, sed already renamed the changed copy onto
  the original. This remains unchanged.
  
  PR:             bin/153261
  Submitted by:   Pedro F. Giffuni
  Reviewed by:    dds (older version)
  Obtained from:  Illumos
  
  Revision  Changes    Path
  1.41.2.3  +21 -4     src/usr.bin/sed/main.c