1 /*
2  * Copyright 2023 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 #pragma once
18 
19 // Synchronize main handler for tests
20 //
21 // NOTE: This mechanism works ONLY when it is known that a single unit
22 // of execution under test does not spawn or otherwise extend entries
23 // into the main loop execution queue.
24 //
25 // If the execution under test reposts additional execution units to
26 // the main loop queue then this synchronization mechanism is unreliable
27 // and alternative methods must be used to properly sync within the
28 // multithreaded environment.
29 
30 void sync_main_handler();
31