1 /*
2  * Copyright 2019 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 #include <signal.h>
18 #include <wakelock/wakelock.h>
19 
main()20 int main() {
21     auto wl = android::wakelock::WakeLock::tryGet("suspend_blocker");  // RAII object
22     if (!wl.has_value()) {
23         return EXIT_FAILURE;
24     }
25 
26     sigset_t mask;
27     sigemptyset(&mask);
28     return sigsuspend(&mask);  // Infinite sleep
29 }
30