0ad/source/tools/atlas/GameInterface/MessagePasser.h
2010-03-31 08:36:46 +00:00

50 lines
1.3 KiB
C++

/* Copyright (C) 2009 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. 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.
*
* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_MESSAGEPASSER
#define INCLUDED_MESSAGEPASSER
#include "SharedMemory.h"
namespace AtlasMessage
{
struct IMessage;
struct QueryMessage;
class MessagePasser
{
public:
virtual ~MessagePasser() {}
virtual void Add(IMessage*) = 0;
// takes ownership of IMessage object
virtual IMessage* Retrieve() = 0;
virtual void Query(QueryMessage*, void(*timeoutCallback)()) = 0;
// blocks; caller retains ownership of QueryMessage object
};
extern MessagePasser* g_MessagePasser;
#define POST_MESSAGE(type, data) AtlasMessage::g_MessagePasser->Add(SHAREABLE_NEW(AtlasMessage::m##type, data))
}
#endif // INCLUDED_MESSAGEPASSER