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c6ee79ce38
* As a temporary work-around for the current slab allocator's area usage, I added the CACHE_LARGE_SLAB flag, which will force the allocator to use larger areas. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23564 a95241bf-73f2-0310-859d-f6bbb57e9c96
60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/*
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* Copyright 2008, Axel Dörfler. All Rights Reserved.
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* Copyright 2007, Hugo Santos. All Rights Reserved.
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*
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _SLAB_SLAB_H_
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#define _SLAB_SLAB_H_
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#include <KernelExport.h>
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#include <OS.h>
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enum {
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/* create_object_cache_etc flags */
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CACHE_NO_DEPOT = 1 << 0,
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CACHE_UNLOCKED_PAGES = 1 << 1,
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CACHE_LARGE_SLAB = 1 << 2,
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/* object_cache_alloc flags */
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CACHE_DONT_SLEEP = 1 << 8,
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/* internal */
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CACHE_DURING_BOOT = 1 << 31
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};
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typedef struct object_cache object_cache;
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typedef status_t (*object_cache_constructor)(void *cookie, void *object);
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typedef void (*object_cache_destructor)(void *cookie, void *object);
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typedef void (*object_cache_reclaimer)(void *cookie, int32 level);
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#ifdef __cplusplus
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extern "C" {
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#endif
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object_cache *create_object_cache(const char *name, size_t object_size,
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size_t alignment, void *cookie, object_cache_constructor constructor,
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object_cache_destructor);
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object_cache *create_object_cache_etc(const char *name, size_t object_size,
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size_t alignment, size_t max_byte_usage, uint32 flags, void *cookie,
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object_cache_constructor constructor, object_cache_destructor destructor,
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object_cache_reclaimer reclaimer);
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void delete_object_cache(object_cache *cache);
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void *object_cache_alloc(object_cache *cache, uint32 flags);
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void object_cache_free(object_cache *cache, void *object);
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status_t object_cache_reserve(object_cache *cache, size_t object_count,
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uint32 flags);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SLAB_SLAB_H_ */
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