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Diffstat (limited to 'storage/innobase/include/lock0priv.h')
-rw-r--r-- | storage/innobase/include/lock0priv.h | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/storage/innobase/include/lock0priv.h b/storage/innobase/include/lock0priv.h deleted file mode 100644 index 7703a2b7def..00000000000 --- a/storage/innobase/include/lock0priv.h +++ /dev/null @@ -1,101 +0,0 @@ -/****************************************************** -Lock module internal structures and methods. - -(c) 2007 Innobase Oy - -Created July 12, 2007 Vasil Dimov -*******************************************************/ - -#ifndef lock0priv_h -#define lock0priv_h - -#ifndef LOCK_MODULE_IMPLEMENTATION -/* If you need to access members of the structures defined in this -file, please write appropriate functions that retrieve them and put -those functions in lock/ */ -#error Do not include lock0priv.h outside of the lock/ module -#endif - -#include "univ.i" -#include "dict0types.h" -#include "hash0hash.h" -#include "trx0types.h" -#include "ut0lst.h" - -/* A table lock */ -typedef struct lock_table_struct lock_table_t; -struct lock_table_struct { - dict_table_t* table; /* database table in dictionary - cache */ - UT_LIST_NODE_T(lock_t) - locks; /* list of locks on the same - table */ -}; - -/* Record lock for a page */ -typedef struct lock_rec_struct lock_rec_t; -struct lock_rec_struct { - ulint space; /* space id */ - ulint page_no; /* page number */ - ulint n_bits; /* number of bits in the lock - bitmap; NOTE: the lock bitmap is - placed immediately after the - lock struct */ -}; - -/* Lock struct */ -struct lock_struct { - trx_t* trx; /* transaction owning the - lock */ - UT_LIST_NODE_T(lock_t) - trx_locks; /* list of the locks of the - transaction */ - ulint type_mode; /* lock type, mode, LOCK_GAP or - LOCK_REC_NOT_GAP, - LOCK_INSERT_INTENTION, - wait flag, ORed */ - hash_node_t hash; /* hash chain node for a record - lock */ - dict_index_t* index; /* index for a record lock */ - union { - lock_table_t tab_lock;/* table lock */ - lock_rec_t rec_lock;/* record lock */ - } un_member; -}; - -/************************************************************************* -Gets the type of a lock. */ -UNIV_INLINE -ulint -lock_get_type( -/*==========*/ - /* out: LOCK_TABLE or LOCK_REC */ - const lock_t* lock); /* in: lock */ - -/************************************************************************** -Looks for a set bit in a record lock bitmap. Returns ULINT_UNDEFINED, -if none found. */ - -ulint -lock_rec_find_set_bit( -/*==================*/ - /* out: bit index == heap number of the record, or - ULINT_UNDEFINED if none found */ - lock_t* lock); /* in: record lock with at least one bit set */ - -/************************************************************************* -Gets the previous record lock set on a record. */ - -lock_t* -lock_rec_get_prev( -/*==============*/ - /* out: previous lock on the same record, NULL if - none exists */ - lock_t* in_lock,/* in: record lock */ - ulint heap_no);/* in: heap number of the record */ - -#ifndef UNIV_NONINL -#include "lock0priv.ic" -#endif - -#endif /* lock0priv_h */ |