diff options
Diffstat (limited to 'libs/pbd/pbd/pool.h')
-rw-r--r-- | libs/pbd/pbd/pool.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/libs/pbd/pbd/pool.h b/libs/pbd/pbd/pool.h new file mode 100644 index 0000000000..f8e19e72fb --- /dev/null +++ b/libs/pbd/pbd/pool.h @@ -0,0 +1,75 @@ +/* + 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. + + $Id$ +*/ + +#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__ |