Fix race conditions with MS-Windows lock files by using _sopen.

[gnu-emacs] / src / ChangeLog

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+2013-02-27  Eli Zaretskii  <eliz@gnu.org>
+
+       * filelock.c (create_lock_file) [WINDOWSNT]: Use _sopen with
+       _SH_DENYRW flag, instead of emacs_open, to deny any other process
+       access to the lock file until it is written and closed.
+       (Bug#13807)
+
 2013-02-27  Paul Eggert  <eggert@cs.ucla.edu>
 
        * callint.c (Qcall_interactively):