95 lines
1.9 KiB
C
95 lines
1.9 KiB
C
/*
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*
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Copyright (C) 2009-2016 Olof Hagsand and Benny Holmgren
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This file is part of CLICON.
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CLICON is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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CLICON is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with CLICON; see the file COPYING. If not, see
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<http://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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#include "clicon_config.h" /* generated by config & autoconf */
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdarg.h>
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#include <errno.h>
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#include <signal.h>
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#include <fcntl.h>
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#include <time.h>
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#include <syslog.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/socket.h>
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#include <sys/param.h>
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#include <sys/types.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <assert.h>
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#include <netinet/in.h>
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/* cligen */
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#include <cligen/cligen.h>
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/* clicon */
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#include <clicon/clicon.h>
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#include "backend_lock.h"
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/*
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* Easy way out: store an integer for candidate db which contains
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* the session-id of the client holding the lock.
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* more general: any database
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* we dont make any sanity check on who is locking.
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*/
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static int _db_locked = 0;
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/*
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* db_lock
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*/
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int
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db_lock(clicon_handle h, int id)
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{
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_db_locked = id;
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clicon_debug(1, "%s: lock db by %u", __FUNCTION__, id);
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return 0;
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}
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/*
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* db_unlock
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*/
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int
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db_unlock(clicon_handle h)
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{
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if (!_db_locked )
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return 0;
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_db_locked = 0;
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return 0;
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}
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/*
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* db_islocked
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* returns id of locker
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*/
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int
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db_islocked(clicon_handle h)
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{
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return _db_locked;
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}
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