hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
/*
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* Copyright 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <unistd.h>
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#include <iostream>
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#include <wakelock/wakelock.h>
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static constexpr const char *gWakeLockName = "block_suspend";
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static void usage() {
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std::cout << "Usage: block_suspend\n"
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<< "Prevent device from suspending indefinitely. "
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<< "Process must be killed to unblock suspend.\n";
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}
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int main(int argc, char ** /* argv */) {
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if (argc > 1) {
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usage();
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return 0;
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}
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auto wl = android::wakelock::WakeLock::tryGet(gWakeLockName); // RAII object
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if (!wl.has_value()) {
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return EXIT_FAILURE;
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}
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while (true) { sleep(1000000); };
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std::abort(); // should never reach here
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return 0;
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}
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