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// This file is part of ff3d - http://www.freefem.org/ff3d
// Copyright (C) 2001, 2002, 2003 Stphane Del Pino
// This program 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, or (at your option)
// any later version.
// This program 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 this program; if not, write to the Free Software Foundation,
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// $Id: ThreadStaticBase.hpp,v 1.2 2004/12/24 00:46:40 delpinux Exp $
#ifndef THREAD_STATIC_BASE_HPP
#define THREAD_STATIC_BASE_HPP
#include <config.h>
#ifdef HAVE_PTHREAD
#include <pthread.h>
#include <map>
#include <cassert>
/**
* @file ThreadStaticBase.hpp
* @author Stephane Del Pino
* @date Sun Dec 5 20:07:32 2004
*
* @brief By thread static objects base class. This is the equivalent
* of StaticBase in the multi-threaded context
*
*/
template <typename EmbeddingClass>
class ThreadStaticBase
{
protected:
static std::map<pthread_t, EmbeddingClass*> __pInstances;
public:
/**
* Access to auto instanciated static;
*
* @return *(__pInstances[])
*/
static EmbeddingClass& instance()
{
const pthread_t threadId = pthread_self();
assert(__pInstances.find(threadId) != __pInstances.end());
return *(__pInstances[threadId]);
}
/**
* Creates __pInstance in Embedding class.
*
*/
static void create()
{
const pthread_t threadId = pthread_self();
assert(__pInstances.find(threadId) == __pInstances.end());
__pInstances[threadId] = new EmbeddingClass();
}
/**
* Destroyes __autoInstanciated in Embedding class.
*
*/
static void destroy()
{
const pthread_t threadId = pthread_self();
assert(__pInstances.find(threadId) != __pInstances.end());
delete __pInstances[threadId];
__pInstances.erase(threadId);
}
/**
* Constructor
*
*/
ThreadStaticBase()
{
;
}
/**
* Destructor
*
*/
~ThreadStaticBase()
{
;
}
};
template <typename EmbeddingClass> std::map<pthread_t, EmbeddingClass*>
ThreadStaticBase<EmbeddingClass>::__pInstances;
#else // HAVE_PTHREAD
#include <StaticBase.hpp>
// ThreadStaticBase is the same that StaticBase when no thread version is built
template <typename T>
struct ThreadStaticBase
: public StaticBase<T>
{
/**
* Constructor
*
*/
ThreadStaticBase()
{
;
}
/**
* Destructor
*
*/
~ThreadStaticBase()
{
;
}
};
#endif // HAVE_PTHREAD
#endif // THREAD_STATIC_BASE_HPP
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