75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
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/*
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Copyright (C) 1998-99 Paul Barton-Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id$
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*/
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#ifndef __qm_pool_h__
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#define __qm_pool_h__
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#include <vector>
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#include <string>
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#include <pthread.h>
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#include <pbd/ringbuffer.h>
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class Pool
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{
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public:
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Pool (std::string name, unsigned long item_size, unsigned long nitems);
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virtual ~Pool ();
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virtual void *alloc ();
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virtual void release (void *);
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std::string name() const { return _name; }
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private:
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RingBuffer<void*>* free_list;
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std::string _name;
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void *block;
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};
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class SingleAllocMultiReleasePool : public Pool
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{
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public:
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SingleAllocMultiReleasePool (std::string name, unsigned long item_size, unsigned long nitems);
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~SingleAllocMultiReleasePool ();
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virtual void *alloc ();
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virtual void release (void *);
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private:
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pthread_mutex_t lock;
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};
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class MultiAllocSingleReleasePool : public Pool
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{
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public:
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MultiAllocSingleReleasePool (std::string name, unsigned long item_size, unsigned long nitems);
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~MultiAllocSingleReleasePool ();
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virtual void *alloc ();
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virtual void release (void *);
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private:
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pthread_mutex_t lock;
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};
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#endif // __qm_pool_h__
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