openspades/Sources/Core/ConcurrentDispatch.h

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/*
Copyright (c) 2013 yvt
This file is part of OpenSpades.
OpenSpades 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 3 of the License, or
(at your option) any later version.
OpenSpades 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 OpenSpades. If not, see <http://www.gnu.org/licenses/>.
*/
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#pragma once
#include "IRunnable.h"
#include <string>
#include <exception>
namespace spades {
struct SyncQueueEntry;
class DispatchThread;
class SynchronizedQueue;
class ConcurrentDispatch;
class DispatchQueue {
friend class ConcurrentDispatch;
SynchronizedQueue *internal;
DispatchQueue();
public:
~DispatchQueue();
static DispatchQueue *GetThreadQueue();
void ProcessQueue();
void EnterEventLoop() throw();
void MarkSDLVideoThread();
};
class ConcurrentDispatch: public IRunnable {
friend class DispatchThread;
friend class DispatchQueue;
friend struct SyncQueueEntry;
std::string name;
SyncQueueEntry * volatile entry;
IRunnable *runnable;
void Execute();
void ExecuteProtected() throw();
// disable
ConcurrentDispatch(const ConcurrentDispatch&){}
void operator =(const ConcurrentDispatch& disp){}
public:
ConcurrentDispatch();
ConcurrentDispatch(std::string name);
virtual ~ConcurrentDispatch();
void Start();
void StartOn(DispatchQueue *);
void Join();
/** abandons the ownership of this dispatch instance, and
* when the dispatch completes, this instance will be deleted. */
void Release();
virtual void Run();
void SetRunnable(IRunnable * r) {runnable = r;}
IRunnable *GetRunnable() const { return runnable; }
};
template <class F>
class FunctionDispatch: public ConcurrentDispatch {
F f;
public:
FunctionDispatch(F f): f(f){}
virtual void Run(){
f();
}
};
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}