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more TDB

This commit is contained in:
Hongze Cheng 2022-03-09 08:49:20 +00:00
parent 737497d8b6
commit 6f3743e187
1 changed files with 5 additions and 1 deletions
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6
source/libs/tdb/src/inc/tdbPage.h
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@ -31,7 +31,7 @@ typedef struct __attribute__((__packed__)) {
struct SPage { struct SPage {
pthread_spinlock_t lock; pthread_spinlock_t lock;
void *pData; u8 *pData;
SPgid pgid; SPgid pgid;
// Fields used by SPCache // Fields used by SPCache
@ -49,6 +49,10 @@ struct SPage {
int aiOvfl[4]; int aiOvfl[4];
}; };
// Macros
#define TDB_PAGE_CELL_IDX_AT(pPage, idx) ((pPage)->aCellIdx[idx])
#define TDB_PAGE_CELL_AT(pPage, idx) ((pPage)->pData + TDB_PAGE_CELL_IDX_AT(pPage, idx))
// For page lock // For page lock
#define P_LOCK_SUCC 0 #define P_LOCK_SUCC 0
#define P_LOCK_BUSY 1 #define P_LOCK_BUSY 1