summaryrefslogtreecommitdiffstats
path: root/libglusterfs/src/mem-pool.h
diff options
context:
space:
mode:
Diffstat (limited to 'libglusterfs/src/mem-pool.h')
-rw-r--r--libglusterfs/src/mem-pool.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/libglusterfs/src/mem-pool.h b/libglusterfs/src/mem-pool.h
new file mode 100644
index 00000000..b36c2447
--- /dev/null
+++ b/libglusterfs/src/mem-pool.h
@@ -0,0 +1,54 @@
+/*
+ Copyright (c) 2008 Z RESEARCH, Inc. <http://www.zresearch.com>
+ This file is part of GlusterFS.
+
+ GlusterFS 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 3 of the License,
+ or (at your option) any later version.
+
+ GlusterFS 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, see
+ <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _MEM_POOL_H_
+#define _MEM_POOL_H_
+
+#include "list.h"
+#include "locking.h"
+
+
+#define MALLOC(size) malloc(size)
+#define CALLOC(size,cnt) calloc(size,cnt)
+
+#define FREE(ptr) \
+ if (ptr != NULL) { \
+ free ((void *)ptr); \
+ ptr = (void *)0xeeeeeeee; \
+ }
+
+struct mem_pool {
+ struct list_head list;
+ int hot_count;
+ int cold_count;
+ gf_lock_t lock;
+ unsigned long padded_sizeof_type;
+ void *pool;
+ void *pool_end;
+};
+
+struct mem_pool *
+mem_pool_new_fn (unsigned long sizeof_type, unsigned long count);
+
+#define mem_pool_new(type,count) mem_pool_new_fn (sizeof(type), count)
+
+void mem_put (struct mem_pool *pool, void *ptr);
+void *mem_get (struct mem_pool *pool);
+
+#endif /* _MEM_POOL_H */