1 // Copyright 2023 The Android Open Source Project
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 expresso or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #pragma once
16 
17 #include <cstdint>
18 #include <stddef.h>
19 
20 namespace gfxstream {
21 
22 // Abstraction around libsync for testing.
23 class SyncHelper {
24    public:
~SyncHelper()25     virtual ~SyncHelper() {}
26 
27     virtual int wait(int syncFd, int timeoutMilliseconds) = 0;
28 
29     virtual int dup(int syncFd) = 0;
30 
31     virtual int close(int syncFd) = 0;
32 };
33 
34 SyncHelper* createPlatformSyncHelper();
35 
36 }  // namespace gfxstream
37