e84a208317
Changes generated with clang-modernize. Additionally, fixed some struct-vs-class usage to make clang happy. Change-Id: Ic6ef2427401ff1e794d26f21f7b44868fc75fb72
108 lines
2.7 KiB
C++
108 lines
2.7 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_TASK_MANAGER_H
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#define ANDROID_HWUI_TASK_MANAGER_H
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#include <utils/Mutex.h>
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#include <utils/String8.h>
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#include <utils/Thread.h>
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#include <utils/Vector.h>
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#include "Signal.h"
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namespace android {
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namespace uirenderer {
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template <typename T>
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class Task;
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class TaskBase;
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template <typename T>
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class TaskProcessor;
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class TaskProcessorBase;
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class TaskManager {
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public:
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TaskManager();
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~TaskManager();
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/**
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* Returns true if this task manager can run tasks,
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* false otherwise. This method will typically return
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* false on a single CPU core device.
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*/
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bool canRunTasks() const;
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/**
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* Stops all allocated threads. Adding tasks will start
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* the threads again as necessary.
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*/
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void stop();
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private:
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template <typename T>
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friend class TaskProcessor;
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template<typename T>
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bool addTask(const sp<Task<T> >& task, const sp<TaskProcessor<T> >& processor) {
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return addTaskBase(sp<TaskBase>(task), sp<TaskProcessorBase>(processor));
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}
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bool addTaskBase(const sp<TaskBase>& task, const sp<TaskProcessorBase>& processor);
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struct TaskWrapper {
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TaskWrapper(): mTask(), mProcessor() { }
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TaskWrapper(const sp<TaskBase>& task, const sp<TaskProcessorBase>& processor):
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mTask(task), mProcessor(processor) {
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}
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sp<TaskBase> mTask;
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sp<TaskProcessorBase> mProcessor;
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};
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class WorkerThread: public Thread {
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public:
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WorkerThread(const String8 name): mSignal(Condition::WAKE_UP_ONE), mName(name) { }
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bool addTask(TaskWrapper task);
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size_t getTaskCount() const;
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void exit();
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private:
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virtual status_t readyToRun() override;
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virtual bool threadLoop() override;
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// Lock for the list of tasks
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mutable Mutex mLock;
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Vector<TaskWrapper> mTasks;
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// Signal used to wake up the thread when a new
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// task is available in the list
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mutable Signal mSignal;
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const String8 mName;
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};
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Vector<sp<WorkerThread> > mThreads;
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};
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}; // namespace uirenderer
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}; // namespace android
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#endif // ANDROID_HWUI_TASK_MANAGER_H
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