1 /*
2  * Copyright 2022 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package androidx.hardware
18 
19 import androidx.graphics.utils.JniVisible
20 
21 /**
22  * Helper class of jni bindings to verify dlopen/dlsym behavior to resolve sync_info_file and
23  * sync_info_file_free methods
24  */
25 @JniVisible
26 internal class SyncFenceBindings private constructor() {
27     companion object {
28 
nResolveSyncFileInfonull29         @JvmStatic @JniVisible external fun nResolveSyncFileInfo(): Boolean
30 
31         @JvmStatic @JniVisible external fun nResolveSyncFileInfoFree(): Boolean
32 
33         @JvmStatic @JniVisible external fun nGetSignalTime(fd: Int): Long
34 
35         @JvmStatic @JniVisible external fun nForceClose(fd: Int)
36 
37         init {
38             System.loadLibrary("graphics-core")
39         }
40     }
41 }
42