1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
/*
* Copyright (C) 2000-2007 SWsoft. 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 VE.
* 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 VE.
*
* @param veid VE 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
|
