diff --git a/src/libs/memmgr/pools.c b/src/libs/memmgr/pools.c
index cb47386..f6a11fd 100644
--- a/src/libs/memmgr/pools.c
+++ b/src/libs/memmgr/pools.c
@@ -13,6 +13,9 @@ MemPrivatePoolZeroCallback(void *buffer, void *clientData)
 
 struct MemPoolPrivateRef {
 	size_t size;
+	PoolEntryCB on_alloc;
+	PoolEntryCB on_free;
+	void *client_data;
 };
 
 EXPORT void *
@@ -22,6 +25,9 @@ MemPrivatePoolAlloc(unsigned char *name, size_t AllocationSize, unsigned int Min
 	
 	ref = g_new0(struct MemPoolPrivateRef, 1);
 	ref->size = AllocationSize;
+	ref->on_alloc = allocCB;
+	ref->on_free = freeCB;
+	ref->client_data = clientData;
 	return (ref);
 }
 
@@ -36,9 +42,22 @@ MemPrivatePoolFree(void *PoolHandle)
 EXPORT void *
 MemPrivatePoolGetEntryDirect(void *PoolHandle, const char *SourceFile, unsigned long SourceLine)
 {
+	BOOL result = FALSE;
 	struct MemPoolPrivateRef *ref = (struct MemPoolPrivateRef *)PoolHandle;
 	
-	return g_slice_alloc0(ref->size);
+	void *new = g_slice_alloc0(ref->size);
+	
+	if (ref->on_alloc != NULL) {
+		PoolEntryCB callback = ref->on_alloc;
+		
+		result = callback(new, ref->client_data);
+	}
+	if (result) {
+		return new;
+	} else {
+		g_slice_free1(ref->size, new);
+		return NULL;
+	}
 }
 
 EXPORT void 
@@ -46,6 +65,12 @@ MemPrivatePoolReturnEntryDirect(void *PoolHandle, void *Source, const char *Sour
 {
 	struct MemPoolPrivateRef *ref = (struct MemPoolPrivateRef *)PoolHandle;
 	
+	if (ref->on_free != NULL) {
+		PoolEntryCB callback = ref->on_free;
+		
+		callback(Source, ref->client_data);
+	}
+	
 	g_slice_free1(ref->size, Source);
 	return;
 }