diff options
Diffstat (limited to 'storage/innobase/include/lock0lock.h')
| -rw-r--r-- | storage/innobase/include/lock0lock.h | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/storage/innobase/include/lock0lock.h b/storage/innobase/include/lock0lock.h index e4b8947ac3a..0f6fe158264 100644 --- a/storage/innobase/include/lock0lock.h +++ b/storage/innobase/include/lock0lock.h @@ -806,69 +806,6 @@ lock_trx_has_expl_x_lock( MY_ATTRIBUTE((nonnull, warn_unused_result)); #endif /* UNIV_DEBUG */ -/** -Allocate cached locks for the transaction. -@param trx allocate cached record locks for this transaction */ -void -lock_trx_alloc_locks(trx_t* trx); - -/** Lock modes and types */ -/* @{ */ -#define LOCK_MODE_MASK 0xFUL /*!< mask used to extract mode from the - type_mode field in a lock */ -/** Lock types */ -/* @{ */ -#define LOCK_TABLE 16U /*!< table lock */ -#define LOCK_REC 32U /*!< record lock */ -#define LOCK_TYPE_MASK 0xF0UL /*!< mask used to extract lock type from the - type_mode field in a lock */ -#if LOCK_MODE_MASK & LOCK_TYPE_MASK -# error "LOCK_MODE_MASK & LOCK_TYPE_MASK" -#endif - -#define LOCK_WAIT 256U /*!< Waiting lock flag; when set, it - means that the lock has not yet been - granted, it is just waiting for its - turn in the wait queue */ -/* Precise modes */ -#define LOCK_ORDINARY 0 /*!< this flag denotes an ordinary - next-key lock in contrast to LOCK_GAP - or LOCK_REC_NOT_GAP */ -#define LOCK_GAP 512U /*!< when this bit is set, it means that the - lock holds only on the gap before the record; - for instance, an x-lock on the gap does not - give permission to modify the record on which - the bit is set; locks of this type are created - when records are removed from the index chain - of records */ -#define LOCK_REC_NOT_GAP 1024U /*!< this bit means that the lock is only on - the index record and does NOT block inserts - to the gap before the index record; this is - used in the case when we retrieve a record - with a unique key, and is also used in - locking plain SELECTs (not part of UPDATE - or DELETE) when the user has set the READ - COMMITTED isolation level */ -#define LOCK_INSERT_INTENTION 2048U/*!< this bit is set when we place a waiting - gap type record lock request in order to let - an insert of an index record to wait until - there are no conflicting locks by other - transactions on the gap; note that this flag - remains set when the waiting lock is granted, - or if the lock is inherited to a neighboring - record */ -#define LOCK_PREDICATE 8192U /*!< Predicate lock */ -#define LOCK_PRDT_PAGE 16384U /*!< Page lock */ - - -#if (LOCK_WAIT|LOCK_GAP|LOCK_REC_NOT_GAP|LOCK_INSERT_INTENTION|LOCK_PREDICATE|LOCK_PRDT_PAGE)&LOCK_MODE_MASK -# error -#endif -#if (LOCK_WAIT|LOCK_GAP|LOCK_REC_NOT_GAP|LOCK_INSERT_INTENTION|LOCK_PREDICATE|LOCK_PRDT_PAGE)&LOCK_TYPE_MASK -# error -#endif -/* @} */ - /** Lock operation struct */ struct lock_op_t{ dict_table_t* table; /*!< table to be locked */ |