/*****************************************************************
|
| Neptune - Selectable Message Queue
|
| Copyright (c) 2002-2008, Axiomatic Systems, LLC.
| All rights reserved.
|
| Redistribution and use in source and binary forms, with or without
| modification, are permitted provided that the following conditions are met:
| * Redistributions of source code must retain the above copyright
| notice, this list of conditions and the following disclaimer.
| * 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.
| * Neither the name of Axiomatic Systems nor the
| names of its contributors may be used to endorse or promote products
| derived from this software without specific prior written permission.
|
| THIS SOFTWARE IS PROVIDED BY AXIOMATIC SYSTEMS ''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 AXIOMATIC SYSTEMS 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 _NPT_SELECTABLE_MESSAGE_QUEUE_H_
#define _NPT_SELECTABLE_MESSAGE_QUEUE_H_
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "NptMessaging.h"
#include "NptSimpleMessageQueue.h"
/*----------------------------------------------------------------------
| NPT_SelectableMessageQueue
+---------------------------------------------------------------------*/
class NPT_SelectableMessageQueue : public NPT_SimpleMessageQueue
{
public:
// methods
NPT_SelectableMessageQueue();
virtual ~NPT_SelectableMessageQueue();
// NPT_MessageQueue methods
virtual NPT_Result PumpMessage(NPT_Timeout timeout = NPT_TIMEOUT_INFINITE);
virtual NPT_Result QueueMessage(NPT_Message* message,
NPT_MessageHandler* handler);
// methods
int GetEventFd() { return m_Pipe[0]; }
private:
// methods
NPT_Result FlushEvent();
// members
int m_Pipe[2];
};
#endif /* _NPT_SELECTABLE_MESSAGE_QUEUE_H_ */