added initial slab code to the kernel. It is still unused, and there is still no VM interaction.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20832 a95241bf-73f2-0310-859d-f6bbb57e9c96
2007-04-26 03:41:24 +00:00
parent 5f29df20b2
commit 81423c91c7
11 changed files with 1169 additions and 0 deletions
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2007, Hugo Santos. All Rights Reserved.
+ * Distributed under the terms of the MIT License.
+ *
+ * Authors:
+ *      Hugo Santos, [email protected]
+ */
+
+#ifndef _SLAB_UTILITIES_H_
+#define _SLAB_UTILITIES_H_
+
+#include <slab/Base.h>
+#include <slab/MergedStrategy.h>
+
+
+template<typename Type, typename Backend>
+class TypedCache : public Cache< MergedLinkCacheStrategy<Backend> > {
+public:
+	typedef MergedLinkCacheStrategy<Backend> Strategy;
+	typedef Cache<Strategy> BaseType;
+
+	TypedCache(const char *name, size_t alignment)
+		: BaseType(name, sizeof(Type), alignment, _ConstructObject,
+			_DestructObject, this) {}
+	virtual ~TypedCache() {}
+
+	Type *Alloc(uint32_t flags) { return (Type *)BaseType::AllocateObject(flags); }
+	void Free(Type *object) { BaseType::ReturnObject(object); }
+
+private:
+	static void _ConstructObject(void *cookie, void *object)
+	{
+		((TypedCache *)cookie)->ConstructObject((Type *)object);
+	}
+
+	static void _DestructObject(void *cookie, void *object)
+	{
+		((TypedCache *)cookie)->DestructObject((Type *)object);
+	}
+
+	virtual void ConstructObject(Type *object) {}
+	virtual void DestructObject(Type *object) {}
+};
+
+#endif