/*
 * Copyright 2010, Axel Dörfler. All Rights Reserved.
 * Copyright 2007, Hugo Santos. All Rights Reserved.
 * Distributed under the terms of the MIT License.
 */
#ifndef _SLAB_OBJECT_DEPOT_H_
#define _SLAB_OBJECT_DEPOT_H_


#include <lock.h>
#include <KernelExport.h>

#include "slab_queue.h"


struct DepotMagazine;

typedef struct object_depot {
        rw_lock                                 outer_lock;
        spinlock                                inner_lock;
        slab_queue                              full;
        slab_queue                              empty;
        size_t                                  full_count;
        size_t                                  empty_count;
        size_t                                  max_count;
        size_t                                  magazine_capacity;
        struct depot_cpu_store* stores;
        void*                                   cookie;

        void (*return_object)(struct object_depot* depot, void* cookie,
                void* object, uint32 flags);
} object_depot;


#ifdef __cplusplus
extern "C" {
#endif

status_t object_depot_init(object_depot* depot, size_t capacity,
        size_t maxCount, uint32 flags, void* cookie,
        void (*returnObject)(object_depot* depot, void* cookie, void* object,
                uint32 flags));
void object_depot_destroy(object_depot* depot, uint32 flags);

void* object_depot_obtain(object_depot* depot);
void object_depot_store(object_depot* depot, void* object, uint32 flags);

void object_depot_make_empty(object_depot* depot, uint32 flags);

#if PARANOID_KERNEL_FREE
bool object_depot_contains_object(object_depot* depot, void* object);
#endif

#ifdef __cplusplus
}
#endif


#endif  /* _SLAB_OBJECT_DEPOT_H_ */