ef9d9a1720
template function object_cache_delete() to be used to delete objects constructed with it. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43132 a95241bf-73f2-0310-859d-f6bbb57e9c96
98 lines
2.5 KiB
C++
98 lines
2.5 KiB
C++
/*
|
|
* Copyright 2008-2010, Axel Dörfler. All Rights Reserved.
|
|
* Copyright 2007, Hugo Santos. All Rights Reserved.
|
|
*
|
|
* Distributed under the terms of the MIT License.
|
|
*/
|
|
#ifndef _SLAB_SLAB_H_
|
|
#define _SLAB_SLAB_H_
|
|
|
|
|
|
#include <heap.h>
|
|
|
|
|
|
enum {
|
|
/* object_cache_{alloc,free}() flags */
|
|
CACHE_DONT_WAIT_FOR_MEMORY = HEAP_DONT_WAIT_FOR_MEMORY,
|
|
CACHE_DONT_LOCK_KERNEL_SPACE = HEAP_DONT_LOCK_KERNEL_SPACE,
|
|
CACHE_PRIORITY_VIP = HEAP_PRIORITY_VIP,
|
|
CACHE_ALLOC_FLAGS = CACHE_DONT_WAIT_FOR_MEMORY
|
|
| CACHE_DONT_LOCK_KERNEL_SPACE
|
|
| CACHE_PRIORITY_VIP,
|
|
|
|
/* create_object_cache_etc flags */
|
|
CACHE_NO_DEPOT = 0x08000000,
|
|
CACHE_UNLOCKED_PAGES = 0x10000000, // unsupported
|
|
CACHE_LARGE_SLAB = 0x20000000,
|
|
|
|
/* internal */
|
|
CACHE_ALIGN_ON_SIZE = 0x40000000,
|
|
CACHE_DURING_BOOT = 0x80000000
|
|
};
|
|
|
|
struct ObjectCache;
|
|
typedef struct ObjectCache object_cache;
|
|
|
|
typedef status_t (*object_cache_constructor)(void* cookie, void* object);
|
|
typedef void (*object_cache_destructor)(void* cookie, void* object);
|
|
typedef void (*object_cache_reclaimer)(void* cookie, int32 level);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
object_cache* create_object_cache(const char* name, size_t objectSize,
|
|
size_t alignment, void* cookie, object_cache_constructor constructor,
|
|
object_cache_destructor destructor);
|
|
object_cache* create_object_cache_etc(const char* name, size_t objectSize,
|
|
size_t alignment, size_t maxByteUsage, size_t magazineCapacity,
|
|
size_t maxMagazineCount, uint32 flags, void* cookie,
|
|
object_cache_constructor constructor, object_cache_destructor destructor,
|
|
object_cache_reclaimer reclaimer);
|
|
|
|
void delete_object_cache(object_cache* cache);
|
|
|
|
status_t object_cache_set_minimum_reserve(object_cache* cache,
|
|
size_t objectCount);
|
|
|
|
void* object_cache_alloc(object_cache* cache, uint32 flags);
|
|
void object_cache_free(object_cache* cache, void* object, uint32 flags);
|
|
|
|
status_t object_cache_reserve(object_cache* cache, size_t object_count,
|
|
uint32 flags);
|
|
|
|
void object_cache_get_usage(object_cache* cache, size_t* _allocatedMemory);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
|
|
#ifdef __cplusplus
|
|
|
|
#include <new>
|
|
|
|
|
|
inline void*
|
|
operator new(size_t size, ObjectCache* objectCache, uint32 flags) throw()
|
|
{
|
|
return object_cache_alloc(objectCache, flags);
|
|
}
|
|
|
|
|
|
template<typename Type>
|
|
inline void
|
|
object_cache_delete(ObjectCache* objectCache, Type* object, uint32 flags = 0)
|
|
{
|
|
if (object != NULL) {
|
|
object->~Type();
|
|
object_cache_free(objectCache, object, flags);
|
|
}
|
|
}
|
|
|
|
#endif // __cplusplus
|
|
|
|
|
|
#endif /* _SLAB_SLAB_H_ */
|