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Viewing changes to storage/innobase/log/log0log.c

  • Committer: Brian Aker
  • Date: 2009-03-17 04:26:36 UTC
  • mfrom: (933.1.4 innodb-plugin-merge)
  • Revision ID: brian@tangent.org-20090317042636-oyd238h2u2bqhfy1
Merging new Innodb

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storage/innobase/log/log0log.c
 
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/*****************************************************************************
 
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Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved.
 
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This program is free software; you can redistribute it and/or modify it under
 
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the terms of the GNU General Public License as published by the Free Software
 
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Foundation; version 2 of the License.
 
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This program is distributed in the hope that it will be useful, but WITHOUT
 
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 
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You should have received a copy of the GNU General Public License along with
 
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 
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Place, Suite 330, Boston, MA 02111-1307 USA
 
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*****************************************************************************/
 
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/******************************************************
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Database log
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(c) 1995-1997 Innobase Oy
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Created 12/9/1995 Heikki Tuuri
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*******************************************************/
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        ut_a(LOG_BUFFER_SIZE >= 16 * OS_FILE_LOG_BLOCK_SIZE);
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        ut_a(LOG_BUFFER_SIZE >= 4 * UNIV_PAGE_SIZE);
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        buf = ut_malloc(LOG_BUFFER_SIZE + OS_FILE_LOG_BLOCK_SIZE);
 
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        buf = mem_alloc(LOG_BUFFER_SIZE + OS_FILE_LOG_BLOCK_SIZE);
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        log_sys->buf = ut_align(buf, OS_FILE_LOG_BLOCK_SIZE);
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        log_sys->buf_size = LOG_BUFFER_SIZE;
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        }
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}
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#ifdef UNIV_HOTBACKUP
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/**********************************************************
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Writes info to a buffer of a log group when log files are created in
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backup restoration. */
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        allocated size in the tablespace, but unfortunately we do not
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        know it here */
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}
 
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#endif /* UNIV_HOTBACKUP */
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/**********************************************************
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Reads a checkpoint info from a log group header to log_sys->checkpoint_buf. */