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/*-------------------------------------------------------------------------
*
* Shared Disk File EXclusiveness Control Program(SF-EX)
*
* sfex_lib.h --- Prototypes for lib.c.
*
* Copyright (c) 2007 NIPPON TELEGRAPH AND TELEPHONE CORPORATION
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*
* $Id$
*
*-------------------------------------------------------------------------*/
#ifndef LIB_H
#define LIB_H
const char *get_progname(const char *argv0);
char *get_nodename(void);
void init_controldata(sfex_controldata *cdata, size_t blocksize, int numlocks);
void init_lockdata(sfex_lockdata *ldata);
void write_controldata(const sfex_controldata *cdata);
int write_lockdata(const sfex_controldata *cdata, const sfex_lockdata *ldata, int index);
int read_controldata(sfex_controldata *cdata);
int read_lockdata(const sfex_controldata *cdata, sfex_lockdata *ldata, int index);
int prepare_lock(const char *device);
int lock_index_check(sfex_controldata * cdata, int index);
#endif /* LIB_H */
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