mirror of
https://git.proxmox.com/git/libgit2
synced 2025-05-07 10:31:01 +00:00
55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
/*
|
|
* Copyright (C) the libgit2 contributors. All rights reserved.
|
|
*
|
|
* This file is part of libgit2, distributed under the GNU GPL v2 with
|
|
* a Linking Exception. For full terms see the included COPYING file.
|
|
*/
|
|
#ifndef INCLUDE_cache_h__
|
|
#define INCLUDE_cache_h__
|
|
|
|
#include "git2/common.h"
|
|
#include "git2/oid.h"
|
|
#include "git2/odb.h"
|
|
|
|
#include "thread-utils.h"
|
|
|
|
#define GIT_DEFAULT_CACHE_SIZE 128
|
|
|
|
typedef void (*git_cached_obj_freeptr)(void *);
|
|
|
|
typedef struct {
|
|
git_oid oid;
|
|
git_atomic refcount;
|
|
} git_cached_obj;
|
|
|
|
typedef struct {
|
|
git_cached_obj **nodes;
|
|
git_mutex lock;
|
|
|
|
unsigned int lru_count;
|
|
size_t size_mask;
|
|
git_cached_obj_freeptr free_obj;
|
|
} git_cache;
|
|
|
|
int git_cache_init(git_cache *cache, size_t size, git_cached_obj_freeptr free_ptr);
|
|
void git_cache_free(git_cache *cache);
|
|
|
|
void *git_cache_try_store(git_cache *cache, void *entry);
|
|
void *git_cache_get(git_cache *cache, const git_oid *oid);
|
|
|
|
GIT_INLINE(void) git_cached_obj_incref(void *_obj)
|
|
{
|
|
git_cached_obj *obj = _obj;
|
|
git_atomic_inc(&obj->refcount);
|
|
}
|
|
|
|
GIT_INLINE(void) git_cached_obj_decref(void *_obj, git_cached_obj_freeptr free_obj)
|
|
{
|
|
git_cached_obj *obj = _obj;
|
|
|
|
if (git_atomic_dec(&obj->refcount) == 0)
|
|
free_obj(obj);
|
|
}
|
|
|
|
#endif
|