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/*
* Copyright 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <unistd.h>
#include <iostream>
#include <wakelock/wakelock.h>
static constexpr const char *gWakeLockName = "block_suspend";
static void usage() {
std::cout << "Usage: block_suspend\n"
<< "Prevent device from suspending indefinitely. "
<< "Process must be killed to unblock suspend.\n";
}
int main(int argc, char ** /* argv */) {
if (argc > 1) {
usage();
return 0;
}
auto wl = android::wakelock::WakeLock::tryGet(gWakeLockName); // RAII object
if (!wl.has_value()) {
return EXIT_FAILURE;
}
while (true) { sleep(1000000); };
std::abort(); // should never reach here
return 0;
}
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