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/*
Copyright (C) 1998-99 Paul Barton-Davis
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 of the License, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __qm_pool_h__
#define __qm_pool_h__
#include <vector>
#include <string>
#include <glibmm/thread.h>
#include <pbd/ringbuffer.h>
class Pool
{
public:
Pool (std::string name, unsigned long item_size, unsigned long nitems);
virtual ~Pool ();
virtual void *alloc ();
virtual void release (void *);
std::string name() const { return _name; }
private:
RingBuffer<void*>* free_list;
std::string _name;
void *block;
};
class SingleAllocMultiReleasePool : public Pool
{
public:
SingleAllocMultiReleasePool (std::string name, unsigned long item_size, unsigned long nitems);
~SingleAllocMultiReleasePool ();
virtual void *alloc ();
virtual void release (void *);
private:
Glib::Mutex* m_lock;
};
class MultiAllocSingleReleasePool : public Pool
{
public:
MultiAllocSingleReleasePool (std::string name, unsigned long item_size, unsigned long nitems);
~MultiAllocSingleReleasePool ();
virtual void *alloc ();
virtual void release (void *);
private:
Glib::Mutex* m_lock;
};
#endif // __qm_pool_h__
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