InnoDB Plugin  1.0
lock0iter.h
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3 Copyright (c) 2007, 2009, Oracle and/or its affiliates. All Rights Reserved.
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5 This program is free software; you can redistribute it and/or modify it under
6 the terms of the GNU General Public License as published by the Free Software
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13 You should have received a copy of the GNU General Public License along with
14 this program; if not, write to the Free Software Foundation, Inc.,
15 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
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17 *****************************************************************************/
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19 /**************************************************/
26 #ifndef lock0iter_h
27 #define lock0iter_h
28 
29 #include "univ.i"
30 #include "lock0types.h"
31 
32 struct lock_queue_iterator_t {
33  const lock_t* current_lock;
34  /* In case this is a record lock queue (not table lock queue)
35  then bit_no is the record number within the heap in which the
36  record is stored. */
37  ulint bit_no;
38 };
39 
40 /*******************************************************************/
49 UNIV_INTERN
50 void
51 lock_queue_iterator_reset(
52 /*======================*/
53  lock_queue_iterator_t* iter,
54  const lock_t* lock,
55  ulint bit_no);
58 /*******************************************************************/
64 const lock_t*
65 lock_queue_iterator_get_prev(
66 /*=========================*/
67  lock_queue_iterator_t* iter);
69 #endif /* lock0iter_h */
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