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/* Copyright (C) 1992 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
/* Operations for the `flock' call. */
#ifndef LOCK_SH
# define LOCK_SH 1 /* Shared lock. */
#endif
#ifndef LOCK_EX
# define LOCK_EX 2 /* Exclusive lock. */
#endif
#ifndef LOCK_UN
# define LOCK_UN 8 /* Unlock. */
#endif
/* Can be OR'd in to one of the above. */
#ifndef LOCK_NB
# define LOCK_NB 4 /* Don't block when locking. */
#endif
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