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* Copyright (C) 2000-2008, Parallels, Inc. All rights reserved.
* 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
* 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 02111-1307 USA
#ifndef _LOCK_H_
#define _LOCK_H_
/** Lock CT.
* Create lock file $dir/$veid.lck.
* @param veid VPD id.
* @param dir lock directory.
* @param status transition status.
* @return 0 - success
* 1 - locked
* -1- error.
int vps_lock(envid_t veid, char *dir, char *status);
/** Unlock CT.
* @param veid CT ID.
* @param dir lock directory.
void vps_unlock(envid_t veid, char *dir);
int _lock(char *lockfile, int blk);
void _unlock(int fd, char *lockfile);
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