summaryrefslogtreecommitdiff
path: root/libs/pbd3/pbd/pool.h
diff options
context:
space:
mode:
Diffstat (limited to 'libs/pbd3/pbd/pool.h')
-rw-r--r--libs/pbd3/pbd/pool.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/libs/pbd3/pbd/pool.h b/libs/pbd3/pbd/pool.h
new file mode 100644
index 0000000000..c8e9740acd
--- /dev/null
+++ b/libs/pbd3/pbd/pool.h
@@ -0,0 +1,74 @@
+/*
+ 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 <pthread.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:
+ pthread_mutex_t 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:
+ pthread_mutex_t lock;
+};
+
+
+#endif // __qm_pool_h__