faecb78a6b
* Add explicit keyword to conversion constructors. * Add NOLINT to implicit conversion constructors. Bug: 28341362 Test: build with clang-tidy Change-Id: Ie4d37072ab57d1662d18db4de1c8577247f43337
59 lines
1.4 KiB
C++
59 lines
1.4 KiB
C++
/*
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* Copyright (C) 2013 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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#ifndef ANDROID_HWUI_SIGNAL_H
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#define ANDROID_HWUI_SIGNAL_H
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#include <stdint.h>
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#include <sys/types.h>
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#include <utils/threads.h>
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namespace android {
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namespace uirenderer {
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class Signal {
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public:
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explicit Signal(Condition::WakeUpType type = Condition::WAKE_UP_ALL) : mType(type), mSignaled(false) { }
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~Signal() { }
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void signal() {
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{
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Mutex::Autolock l(mLock);
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mSignaled = true;
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}
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mCondition.signal(mType);
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}
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void wait() {
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Mutex::Autolock l(mLock);
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while (!mSignaled) {
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mCondition.wait(mLock);
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}
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mSignaled = false;
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}
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private:
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Condition::WakeUpType mType;
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volatile bool mSignaled;
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mutable Mutex mLock;
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mutable Condition mCondition;
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};
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}; // namespace uirenderer
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}; // namespace android
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#endif // ANDROID_HWUI_SIGNAL_H
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