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refact TDB

This commit is contained in:
Hongze Cheng 2022-03-18 09:54:41 +00:00
parent 533a60d4fc
commit fae3f1d7c9
2 changed files with 12 additions and 12 deletions
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12
source/libs/tdb/src/db/tdbPCache.c
View File

@ -34,6 +34,18 @@ struct SPCache {
})
#define PAGE_IS_PINNED(pPage) ((pPage)->pLruNext == NULL)
// For page ref
#define TDB_INIT_PAGE_REF(pPage) ((pPage)->nRef = 0)
#if 0
#define TDB_REF_PAGE(pPage) (++(pPage)->nRef)
#define TDB_UNREF_PAGE(pPage) (--(pPage)->nRef)
#define TDB_GET_PAGE_REF(pPage) ((pPage)->nRef)
#else
#define TDB_REF_PAGE(pPage) atomic_add_fetch_32(&((pPage)->nRef), 1)
#define TDB_UNREF_PAGE(pPage) atomic_sub_fetch_32(&((pPage)->nRef), 1)
#define TDB_GET_PAGE_REF(pPage) atomic_load_32(&((pPage)->nRef))
#endif
static int tdbPCacheOpenImpl(SPCache *pCache);
static void tdbPCacheInitLock(SPCache *pCache);
static void tdbPCacheClearLock(SPCache *pCache);

12
source/libs/tdb/src/inc/tdbPage.h
View File

@ -118,18 +118,6 @@ struct SPage {
ret; \
})
// For page ref
#define TDB_INIT_PAGE_REF(pPage) ((pPage)->nRef = 0)
#if 0
#define TDB_REF_PAGE(pPage) (++(pPage)->nRef)
#define TDB_UNREF_PAGE(pPage) (--(pPage)->nRef)
#define TDB_GET_PAGE_REF(pPage) ((pPage)->nRef)
#else
#define TDB_REF_PAGE(pPage) atomic_add_fetch_32(&((pPage)->nRef), 1)
#define TDB_UNREF_PAGE(pPage) atomic_sub_fetch_32(&((pPage)->nRef), 1)
#define TDB_GET_PAGE_REF(pPage) atomic_load_32(&((pPage)->nRef))
#endif
// APIs
int tdbPageCreate(int pageSize, SPage **ppPage, void *(*xMalloc)(void *, size_t), void *arg);
int tdbPageDestroy(SPage *pPage, void (*xFree)(void *arg, void *ptr), void *arg);