diff options
Diffstat (limited to 'src/third_party/wiredtiger/src/include/dhandle.h')
| -rw-r--r-- | src/third_party/wiredtiger/src/include/dhandle.h | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/src/third_party/wiredtiger/src/include/dhandle.h b/src/third_party/wiredtiger/src/include/dhandle.h index 8bbae1539a0..865ea0d9568 100644 --- a/src/third_party/wiredtiger/src/include/dhandle.h +++ b/src/third_party/wiredtiger/src/include/dhandle.h @@ -58,6 +58,19 @@ #define WT_DHANDLE_IS_CHECKPOINT(dhandle) ((dhandle)->checkpoint != NULL) /* + * WT_WITH_DHANDLE_WRITE_LOCK_NOWAIT -- + * Try to acquire write lock for the session's current dhandle, perform an operation, drop the + * lock. + */ +#define WT_WITH_DHANDLE_WRITE_LOCK_NOWAIT(session, ret, op) \ + do { \ + if (((ret) = __wt_session_dhandle_try_writelock(session)) == 0) { \ + op; \ + __wt_session_dhandle_writeunlock(session); \ + } \ + } while (0) + +/* * WT_DATA_HANDLE -- * A handle for a generic named data source. */ @@ -137,6 +150,11 @@ struct __wt_data_handle { #define WT_DHANDLE_TS_MIXED_MODE 0x04u /* Handle using mixed mode timestamps checking. */ #define WT_DHANDLE_TS_NEVER 0x08u /* Handle never using timestamps checking. */ #define WT_DHANDLE_TS_ORDERED 0x10u /* Handle using ordered timestamps checking. */ - /* AUTOMATIC FLAG VALUE GENERATION STOP 32 */ - uint32_t ts_flags; + /* AUTOMATIC FLAG VALUE GENERATION STOP 16 */ + uint16_t ts_flags; + +/* AUTOMATIC FLAG VALUE GENERATION START 0 */ +#define WT_DHANDLE_LOCK_WRITE 0x1u /* Write lock is acquired. */ + /* AUTOMATIC FLAG VALUE GENERATION STOP 16 */ + uint16_t lock_flags; }; |