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Diffstat (limited to 'storage/innobase/include/lock0lock.ic')
-rw-r--r-- | storage/innobase/include/lock0lock.ic | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/storage/innobase/include/lock0lock.ic b/storage/innobase/include/lock0lock.ic deleted file mode 100644 index 311623b190b..00000000000 --- a/storage/innobase/include/lock0lock.ic +++ /dev/null @@ -1,81 +0,0 @@ -/****************************************************** -The transaction lock system - -(c) 1996 Innobase Oy - -Created 5/7/1996 Heikki Tuuri -*******************************************************/ - -#include "sync0sync.h" -#include "srv0srv.h" -#include "dict0dict.h" -#include "row0row.h" -#include "trx0sys.h" -#include "trx0trx.h" -#include "buf0buf.h" -#include "page0page.h" -#include "page0cur.h" -#include "row0vers.h" -#include "que0que.h" -#include "btr0cur.h" -#include "read0read.h" -#include "log0recv.h" - -/************************************************************************* -Calculates the fold value of a page file address: used in inserting or -searching for a lock in the hash table. */ -UNIV_INLINE -ulint -lock_rec_fold( -/*==========*/ - /* out: folded value */ - ulint space, /* in: space */ - ulint page_no)/* in: page number */ -{ - return(ut_fold_ulint_pair(space, page_no)); -} - -/************************************************************************* -Calculates the hash value of a page file address: used in inserting or -searching for a lock in the hash table. */ -UNIV_INLINE -ulint -lock_rec_hash( -/*==========*/ - /* out: hashed value */ - ulint space, /* in: space */ - ulint page_no)/* in: page number */ -{ - return(hash_calc_hash(lock_rec_fold(space, page_no), - lock_sys->rec_hash)); -} - -/************************************************************************* -Checks if some transaction has an implicit x-lock on a record in a clustered -index. */ -UNIV_INLINE -trx_t* -lock_clust_rec_some_has_impl( -/*=========================*/ - /* out: transaction which has the x-lock, or - NULL */ - rec_t* rec, /* in: user record */ - dict_index_t* index, /* in: clustered index */ - const ulint* offsets)/* in: rec_get_offsets(rec, index) */ -{ - dulint trx_id; - - ut_ad(mutex_own(&kernel_mutex)); - ut_ad(index->type & DICT_CLUSTERED); - ut_ad(page_rec_is_user_rec(rec)); - - trx_id = row_get_rec_trx_id(rec, index, offsets); - - if (trx_is_active(trx_id)) { - /* The modifying or inserting transaction is active */ - - return(trx_get_on_id(trx_id)); - } - - return(NULL); -} |