--- libaitio/inc/aitio.h	2012/02/02 15:53:40	1.13.2.13
+++ libaitio/inc/aitio.h	2012/02/23 17:09:16	1.14.2.1
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: aitio.h,v 1.13.2.13 2012/02/02 15:53:40 misho Exp $
+* $Id: aitio.h,v 1.14.2.1 2012/02/23 17:09:16 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -77,6 +77,41 @@ typedef struct _tagArray {
 	int	arr_num;
 	void	**arr_data;
 } array_t;
+
+/* Memory pool */
+
+struct tagAlloc {
+	char			*alloc_name;
+	unsigned int		*alloc_mem;
+	SLIST_ENTRY(tagAlloc)	alloc_node;
+};
+typedef SLIST_HEAD(, tagAlloc) mpool_bucket_t;
+#define io_memory(x, _type)	(assert((x)), (_type) ((x)->alloc_mem ? ((x)->alloc_mem + 2) : NULL))
+#define io_memorySize(x)	(assert((x)), (x)->alloc_mem ? *(x)->alloc_mem : 0)
+#define io_memoryZero(x)	do { assert((x)); \
+					if ((x)->alloc_mem) \
+       						memset((void*) ((x)->alloc_mem + 2), 0, *(x)->alloc_mem); \
+				} while (0)
+
+typedef struct _tagMPool {
+	pthread_mutex_t	pool_mtx;
+
+	struct {
+		unsigned long alloc;
+		unsigned long free;
+	} pool_calls;
+	struct {
+		unsigned long alloc;
+		unsigned long free;
+	} pool_bytes;
+	struct {
+		unsigned int max;
+		unsigned int curr;
+	} pool_res;
+
+	/* pool buckets start from 4k block == 0 position in array */
+	mpool_bucket_t	pool_bucks[20];
+} mpool_t;
 
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