1 /*
2  *  sw_sync abstraction
3  *
4  *  Copyright 2015-2016 Collabora Ltd.
5  *
6  *  Based on the implementation from the Android Open Source Project,
7  *
8  *  Copyright 2013 Google, Inc
9  *
10  *  Permission is hereby granted, free of charge, to any person obtaining a
11  *  copy of this software and associated documentation files (the "Software"),
12  *  to deal in the Software without restriction, including without limitation
13  *  the rights to use, copy, modify, merge, publish, distribute, sublicense,
14  *  and/or sell copies of the Software, and to permit persons to whom the
15  *  Software is furnished to do so, subject to the following conditions:
16  *
17  *  The above copyright notice and this permission notice shall be included in
18  *  all copies or substantial portions of the Software.
19  *
20  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21  *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22  *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23  *  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
24  *  OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
25  *  ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
26  *  OTHER DEALINGS IN THE SOFTWARE.
27  */
28 
29 #ifndef SELFTESTS_SW_SYNC_H
30 #define SELFTESTS_SW_SYNC_H
31 
32 /*
33  * sw_sync is mainly intended for testing and should not be compiled into
34  * production kernels
35  */
36 
37 int sw_sync_timeline_create(void);
38 int sw_sync_timeline_is_valid(int fd);
39 int sw_sync_timeline_inc(int fd, unsigned int count);
40 void sw_sync_timeline_destroy(int fd);
41 
42 int sw_sync_fence_create(int fd, const char *name, unsigned int value);
43 int sw_sync_fence_is_valid(int fd);
44 void sw_sync_fence_destroy(int fd);
45 
46 #endif
47