icinga2/lib/base/workqueue.h

62 lines
2.1 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2013 Icinga Development Team (http://www.icinga.org/) *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#ifndef WORKQUEUE_H
#define WORKQUEUE_H
#include "base/i2-base.h"
#include <deque>
#include <boost/function.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/thread/condition_variable.hpp>
namespace icinga
{
/**
* A workqueue.
*
* @ingroup base
*/
class I2_BASE_API WorkQueue
{
public:
typedef boost::function<void (void)> WorkCallback;
WorkQueue(size_t maxItems = 25000);
~WorkQueue(void);
void Enqueue(const WorkCallback& item);
void Join(void);
void Clear(void);
private:
boost::mutex m_Mutex;
boost::condition_variable m_CV;
size_t m_MaxItems;
bool m_Executing;
std::deque<WorkCallback> m_Items;
void ExecuteItem(void);
};
}
#endif /* WORKQUEUE_H */