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e0edde6f | 1 | /* Copyright (c) 2008, 2009 Nicira, Inc. |
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2 | * |
3 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
4 | * you may not use this file except in compliance with the License. | |
5 | * You may obtain a copy of the License at: | |
6 | * | |
7 | * http://www.apache.org/licenses/LICENSE-2.0 | |
8 | * | |
9 | * Unless required by applicable law or agreed to in writing, software | |
10 | * distributed under the License is distributed on an "AS IS" BASIS, | |
11 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | * See the License for the specific language governing permissions and | |
13 | * limitations under the License. | |
14 | */ | |
15 | ||
16 | #ifndef LOCKFILE_H | |
17 | #define LOCKFILE_H 1 | |
18 | ||
19 | struct lockfile; | |
20 | ||
21 | char *lockfile_name(const char *file); | |
4770e795 | 22 | int lockfile_lock(const char *file, struct lockfile **); |
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23 | void lockfile_unlock(struct lockfile *); |
24 | void lockfile_postfork(void); | |
25 | ||
26 | #endif /* lib/lockfile.h */ |