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/*
* https://github.com/Kolkir/cpptask/
* Copyright (c) 2011, Kyrylo Kolodiazhnyi
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _CPP_TASK_TASKMANAGER_H_
#define _CPP_TASK_TASKMANAGER_H_
#include "spscqueue.h"
#include "tlskey.h"
#include "eventmanager.h"
namespace cpptask { namespace internal {
class Task;
class TaskThreadPool;
class Thread;
class TaskThread;
inline TLSKey& GetManagerKey()
{
static TLSKey managerKey;
return managerKey;
}
class TaskManager
{
public:
TaskManager(TaskThreadPool& threadPool, EventManager& eventManager, TaskThread* parentThread);
~TaskManager();
TaskManager(const TaskManager&) = delete;
TaskManager& operator=(const TaskManager&) = delete;
size_t GetThreadsNum() const;
void AddTask(Task& task);
Task* GetOwnTask();
Task* GetTask();
static TaskManager& GetCurrent();
EventManager& GetEventManager();
void RegisterInTLS();
void RemoveFromTLS();
void WaitTask(Task& waitTask);
void DoTask(Task& task);
void DoOneTask();
private:
TaskThread* parentThread;
TaskThreadPool& threadPool;
SPSCQueue<Task*> taskQueue;
std::mutex getGuard;
EventManager& eventManager;
};
}}
#endif