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107 lines (94 loc) · 3.07 KB
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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_TASKTHREADIMPL_H_
#define _CPP_TASK_TASKTHREADIMPL_H_
#include "task.h"
#include "taskthread.h"
#include <assert.h>
namespace cpptask { namespace internal {
inline TaskThread::TaskThread(TaskThreadPool& threadPool, EventManager& eventManager)
: eventManager(eventManager)
, taskManager(new TaskManager(threadPool, eventManager, this))
{
}
inline TaskThread::~TaskThread()
{
Wait();
}
inline void TaskThread::Run()
{
taskManager->RegisterInTLS();
bool done = false;
while (!done)
{
Task* task = taskManager->GetTask();
if (task == nullptr)
{
EventId eventId = EventId::NoneEvent;
eventManager.wait([&eventId](EventId id)
{
eventId = id;
return id == EventId::NewTaskEvent ||
id == EventId::ThreadStopEvent;
});
if (eventId == EventId::NewTaskEvent)
{
task = taskManager->GetTask();
}
else if (eventId == EventId::ThreadStopEvent)
{
done = true;
break;
}
else
{
assert(false);
}
}
if (task != nullptr)
{
task->Run(eventManager);
}
}
}
inline void TaskThread::Start()
{
thread = std::move(std::thread(std::bind(&TaskThread::Run, this)));
}
inline void TaskThread::Wait()
{
if (thread.joinable())
{
thread.join();
}
}
inline TaskManager& TaskThread::GetTaskManager()
{
return *taskManager;
}
}}
#endif