| /* |
| * 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 |
| * 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 02111-1307 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); |
| |
| #endif |