1/*
2 * Copyright 2010, Axel Dörfler. All Rights Reserved.
3 * Copyright 2007, Hugo Santos. All Rights Reserved.
4 * Distributed under the terms of the MIT License.
5 */
6#ifndef _SLAB_OBJECT_DEPOT_H_
7#define _SLAB_OBJECT_DEPOT_H_
8
9
10#include <lock.h>
11#include <KernelExport.h>
12
13
14struct DepotMagazine;
15
16typedef struct object_depot {
17	rw_lock					outer_lock;
18	spinlock				inner_lock;
19	DepotMagazine*			full;
20	DepotMagazine*			empty;
21	size_t					full_count;
22	size_t					empty_count;
23	size_t					max_count;
24	size_t					magazine_capacity;
25	struct depot_cpu_store*	stores;
26	void*					cookie;
27
28	void (*return_object)(struct object_depot* depot, void* cookie,
29		void* object, uint32 flags);
30} object_depot;
31
32
33#ifdef __cplusplus
34extern "C" {
35#endif
36
37status_t object_depot_init(object_depot* depot, size_t capacity,
38	size_t maxCount, uint32 flags, void* cookie,
39	void (*returnObject)(object_depot* depot, void* cookie, void* object,
40		uint32 flags));
41void object_depot_destroy(object_depot* depot, uint32 flags);
42
43void* object_depot_obtain(object_depot* depot);
44void object_depot_store(object_depot* depot, void* object, uint32 flags);
45
46void object_depot_make_empty(object_depot* depot, uint32 flags);
47
48#if PARANOID_KERNEL_FREE
49bool object_depot_contains_object(object_depot* depot, void* object);
50#endif
51
52#ifdef __cplusplus
53}
54#endif
55
56
57#endif	/* _SLAB_OBJECT_DEPOT_H_ */
58