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author | Tri Vo <trong@google.com> | 2019-11-12 14:14:12 -0800 |
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committer | android-build-merger <android-build-merger@google.com> | 2019-11-12 14:14:12 -0800 |
commit | 89e661c090b00a21a7748bc0ab01775b8c87618d (patch) | |
tree | b69eed8da11ccf37c4dd98ef284e8f462ee197d5 | |
parent | 3868c63c15e6b4ddb401be67f0515f78abb01cb1 (diff) | |
parent | 52e653601849b05af0225b718258ddcc91a0445e (diff) | |
download | libhardware_legacy-89e661c090b00a21a7748bc0ab01775b8c87618d.tar.gz |
Merge "block_suspend: test util to block suspend from shell"android-r-preview-1
am: 52e6536018
Change-Id: I58fc561e0bfd7db1b6f4765bf28ce9094e218f63
-rw-r--r-- | Android.bp | 11 | ||||
-rw-r--r-- | block_suspend.cpp | 39 |
2 files changed, 50 insertions, 0 deletions
@@ -74,3 +74,14 @@ cc_library_shared { "uevent.c", ], } + +cc_test { + name: "block_suspend", + defaults: ["libpower_defaults"], + srcs: ["block_suspend.cpp"], + static_libs: ["libpower"], + shared_libs: [ + "android.system.suspend@1.0", + ], + gtest: false, +} diff --git a/block_suspend.cpp b/block_suspend.cpp new file mode 100644 index 0000000..99341b8 --- /dev/null +++ b/block_suspend.cpp @@ -0,0 +1,39 @@ +/* + * 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 <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; + } + + android::wakelock::WakeLock wl{gWakeLockName}; // RAII object + while (true) {}; + std::abort(); // should never reach here + return 0; +} |