1 files changed, 100 insertions, 0 deletions
diff --git a/src/common/mempool.h b/src/common/mempool.h
new file mode 100644
index 000000000..aeaebe7fe
--- /dev/null
+++ b/src/common/mempool.h
@@ -0,0 +1,100 @@
+#ifndef _rA_MEMPOOL_H_
+#define _rA_MEMPOOL_H_
+
+#include "../common/cbasetypes.h"
+
+typedef struct mempool *mempool;
+
+typedef void (*memPoolOnNodeAllocationProc)(void *ptr);
+typedef void (*memPoolOnNodeDeallocationProc)(void *ptr);
+
+typedef struct mempool_stats{
+	int64	num_nodes_total;
+	int64	num_nodes_free;
+	int64	num_nodes_used;
+	
+	int64	num_segments;
+	int64	num_realloc_events;
+	
+	int64	peak_nodes_used;
+	
+	int64	num_bytes_total;
+} mempool_stats;
+
+
+// 
+void mempool_init();
+void mempool_final();
+
+
+/** 
+ * Creates a new Mempool
+ *
+ * @param name - Name of the pool (used for debug / error messages)
+ * @param elem_size - size of each element
+ * @param initial_count - preallocation count 
+ * @param realloc_count - #no of nodes being allocated when pool is running empty.
+ * @param onNodeAlloc - Node Allocation callback (see @note!)
+ * @param onNodeDealloc - Node Deallocation callback (see @note!)
+ *
+ * @note:
+ *	The onNode(De)alloc callbacks are only called once during segment allocation 
+ *	(pool initialization / rallocation )
+ *  you can use this callbacks for example to initlaize a mutex or somethingelse
+ *	you definitly need during runtime
+ *
+ * @return not NULL
+ */
+mempool mempool_create(const char *name,
+						uint64 elem_size,
+						uint64 initial_count,
+						uint64 realloc_count,
+						
+						memPoolOnNodeAllocationProc	onNodeAlloc,
+						memPoolOnNodeDeallocationProc onNodeDealloc);
+						
+						
+/**
+ * Destroys a Mempool
+ * 
+ * @param pool - the mempool to destroy
+ *
+ * @note:
+ *	Everything gets deallocated, regardless if everything was freed properly!
+ *	So you have to ensure that all references are cleared properly!
+ */
+void mempool_destroy(mempool pool);
+
+
+/**
+ * Gets a new / empty node from the given mempool.
+ * 
+ * @param pool - the pool to get an empty node from.
+ *
+ * @return Address of empty Node
+ */
+void *mempool_node_get(mempool pool);
+
+
+/**
+ * Returns the given node to the given mempool
+ *
+ * @param pool - the pool to put the node, to
+ * @param node - the node to return 
+ */
+void mempool_node_put(mempool pool, void *node);
+
+
+/** 
+ * Returns Statistics for the given mempool
+ *
+ * @param pool - the pool to get thats for
+ *
+ * @note: i dont like pushing masses of values over the stack, too  - but its lazy and okay for stats. (blacksirius)
+ *
+ * @return stats struct
+ */
+mempool_stats mempool_get_stats(mempool pool);
+
+
+#endif