sync.h revision 196b3a5f6f48649500909c66177967abaf05b898
1/*
2 *  sync.h
3 *
4 *   Copyright 2012 Google, Inc
5 *
6 *  Licensed under the Apache License, Version 2.0 (the "License");
7 *  you may not use this file except in compliance with the License.
8 *  You may obtain a copy of the License at
9 *
10 *      http://www.apache.org/licenses/LICENSE-2.0
11 *
12 *  Unless required by applicable law or agreed to in writing, software
13 *  distributed under the License is distributed on an "AS IS" BASIS,
14 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 *  See the License for the specific language governing permissions and
16 *  limitations under the License.
17 */
18
19#ifndef __SYS_CORE_SYNC_H
20#define __SYS_CORE_SYNC_H
21
22#include <linux/sync.h>
23#include <linux/sw_sync.h>
24
25__BEGIN_DECLS
26
27/* timeout in msecs */
28int sync_wait(int fd, unsigned int timeout);
29int sync_merge(const char *name, int fd1, int fd2);
30struct sync_fence_info_data *sync_fence_info(int fd);
31struct sync_pt_info *sync_pt_info(struct sync_fence_info_data *info,
32                                  struct sync_pt_info *itr);
33void sync_fence_info_free(struct sync_fence_info_data *info);
34
35/* sw_sync is mainly inteded for testing and should not be complied into
36 * production kernels
37 */
38
39int sw_sync_timeline_create(void);
40int sw_sync_timeline_inc(int fd, unsigned count);
41int sw_sync_fence_create(int fd, const char *name, unsigned value);
42
43__END_DECLS
44
45#endif /* __SYS_CORE_SYNC_H */
46