68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
/*
|
|
* Copyright 2021 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 "SystemSuspendHidl.h"
|
|
|
|
#include <hwbinder/IPCThreadState.h>
|
|
|
|
using ::android::hardware::Void;
|
|
|
|
namespace android {
|
|
namespace system {
|
|
namespace suspend {
|
|
namespace V1_0 {
|
|
|
|
static inline int getCallingPid() {
|
|
return ::android::hardware::IPCThreadState::self()->getCallingPid();
|
|
}
|
|
|
|
WakeLock::WakeLock(SystemSuspend* systemSuspend, const std::string& name, int pid)
|
|
: mReleased(), mSystemSuspend(systemSuspend), mName(name), mPid(pid) {
|
|
mSystemSuspend->incSuspendCounter(mName);
|
|
mSystemSuspend->updateWakeLockStatOnAcquire(mName, mPid);
|
|
}
|
|
|
|
WakeLock::~WakeLock() {
|
|
releaseOnce();
|
|
}
|
|
|
|
Return<void> WakeLock::release() {
|
|
releaseOnce();
|
|
return Void();
|
|
}
|
|
|
|
void WakeLock::releaseOnce() {
|
|
std::call_once(mReleased, [this]() {
|
|
mSystemSuspend->decSuspendCounter(mName);
|
|
mSystemSuspend->updateWakeLockStatOnRelease(mName, mPid);
|
|
});
|
|
}
|
|
|
|
SystemSuspendHidl::SystemSuspendHidl(SystemSuspend* systemSuspend)
|
|
: mSystemSuspend(systemSuspend) {}
|
|
|
|
Return<sp<IWakeLock>> SystemSuspendHidl::acquireWakeLock(WakeLockType /* type */,
|
|
const hidl_string& name) {
|
|
auto pid = getCallingPid();
|
|
IWakeLock* wl = new WakeLock{mSystemSuspend, name, pid};
|
|
return wl;
|
|
}
|
|
|
|
} // namespace V1_0
|
|
} // namespace suspend
|
|
} // namespace system
|
|
} // namespace android
|