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/*
* Copyright (C) 2015 by Multi-Tech Systems
*
* This file is part of libmts.
*
* libmts is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* libmts 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with libmts. If not, see <http://www.gnu.org/licenses/>.
*
*/
/*! \file MTS_Condition.h
\brief A condition that can be waited on or signaled
\date 15JUN11
\author Sean Godinez
A platform independent condition that can be waited on or signaled.
*/
#ifndef _MTS_CONDITION_H_
#define _MTS_CONDITION_H_
#include <mts/MTS_Stdint.h>
#include <mts/MTS_AutoPtr.h>
#include <mts/MTS_NonCopyable.h>
#ifdef WIN32
#include <windows.h>
#else
#include <pthread.h>
#endif
namespace MTS {
class Lock;
//! A condition
/*!
A platform independent condition that can be waited on or signaled. Useful in building semaphores.
\sa Lock
*/
class Condition: private NonCopyable {
friend class Lock;
public:
~Condition(); //!< Destructs the Condition
void wait(); //!< Waits on *this Condition for signal
void wait(uint32_t millis); //!< Waits on *this Condition for signal or given amount of time
void signal(); //!< Signals *this Condition
private:
Lock* m_pLock; //!< Lock that created *this Condition
#ifdef WIN32
AutoPtr<HANDLE> m_apCondition; //!< Handle to WIN32 Condition
#else
AutoPtr<pthread_cond_t> m_apCondition; //!< Handle to PTHREAD Condition
#endif
explicit Condition(Lock* lock); //!< Explicit Constructor! Must pass Lock as parent.
};
}
#endif
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