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dotlock.h

/*
 * Copyright (C) 1996-2000 Michael R. Elkins <me@cs.hmc.edu>
 * Copyright (C) 1998-2000 Thomas Roessler <roessler@guug.de>
 * 
 *     This program is free software; you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation; either version 2 of the License, or
 *     (at your option) any later version.
 * 
 *     This program 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 General Public License for more details.
 * 
 *     You should have received a copy of the GNU General Public License
 *     along with this program; if not, write to the Free Software
 *     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
 */ 

#ifndef _DOTLOCK_H
#define _DOTLOCK_H

/* exit values */

#define DL_EX_OK  0     
#define DL_EX_ERROR     1     
#define DL_EX_EXIST     3     
#define DL_EX_IMPOSSIBLE 5

/* flags */

#define DL_FL_TRY (1 << 0)
#define DL_FL_UNLOCK    (1 << 1)
#define DL_FL_FORCE     (1 << 3)
#define DL_FL_RETRY     (1 << 4)
#define DL_FL_UNLINK    (1 << 5)

#define DL_FL_ACTIONS (DL_FL_TRY|DL_FL_UNLOCK|DL_FL_UNLINK)

#endif

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