haiku/headers/build/private/app/PortQueue.h

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//------------------------------------------------------------------------------
// Copyright (c) 2001-2002, OpenBeOS
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// File Name: PortQueue.h
// Author: DarkWyrm <bpmagic@columbus.rr.com>
// Description: Facilitation class for reading and queueing messages from ports
//
//------------------------------------------------------------------------------
#ifndef PORTQUEUE_H_
#define PORTQUEUE_H_
#include <OS.h>
#include <queue>
class PortMessage;
class PortQueue
{
public:
PortQueue(const port_id &port);
~PortQueue(void);
bool IsInitialized(void) { return _init; }
bool SetPort(const port_id &port);
port_id GetPort(void) { return _port; }
bool MessagesWaiting(void) { return !_q.empty(); }
void GetMessagesFromPort(bool wait_for_messages=false);
PortMessage *GetMessageFromQueue(void);
void MakeEmpty(void);
private:
std::queue<PortMessage*> _q;
bool _init;
port_id _port;
};
#endif