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631ecaabea
BUILD/compile-pentium-debug-max: Added definition after macro was removed from main tree. This will be fixed back in main tree later.
59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
/* Copyright (C) 2006 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#ifndef _trnman_h
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#define _trnman_h
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C_MODE_START
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#include <lf.h>
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#include "lockman.h"
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#include "trnman_public.h"
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#include "ma_loghandler_lsn.h"
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/*
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trid - 6 uchar transaction identifier. Assigned when a transaction
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is created. Transaction can always be identified by its trid,
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even after transaction has ended.
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short_trid - 2-byte transaction identifier, identifies a running
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transaction, is reassigned when transaction ends.
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*/
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/*
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short transaction id is at the same time its identifier
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for a lock manager - its lock owner identifier (loid)
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*/
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#define short_id locks.loid
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struct st_transaction
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{
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LOCK_OWNER locks; /* must be the first! see short_trid_to_TRN() */
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LF_PINS *pins;
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TrID trid, min_read_from, commit_trid;
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TRN *next, *prev;
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LSN rec_lsn, undo_lsn;
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LSN_WITH_FLAGS first_undo_lsn;
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uint locked_tables;
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/* Note! if locks.loid is 0, trn is NOT initialized */
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};
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#define TRANSACTION_LOGGED_LONG_ID ULL(0x8000000000000000)
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C_MODE_END
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#endif
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