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e49dee377b
This patch was created by running the following commands: for i in */*[ch]; do doxygenify.pl $i; done perl -i -pe 's#\*{3} \*/$#****/#' */*[ch] where doxygenify.pl is https://svn.innodb.com/svn/misc/trunk/tools/doxygenify.pl r510 Verified the consistency as follows: (0) not too many /* in: */ or /* out: */ comments left in the code: grep -l '/\*\s*\(in\|out\)[,:/]' */*[ch] (1) no difference when ignoring blank lines, after stripping all C90-style /* comments */, including multi-line ones, before and after applying this patch: perl -i -e 'undef $/;while(<ARGV>){s#/\*(.*?)\*/##gs;print}' */*[ch] diff -I'^\s*$' --exclude .svn -ru TREE1 TREE2 (2) after stripping @return comments and !<, generated a diff and omitted the hunks where /* out: */ function return comments were removed: perl -i -e'undef $/;while(<ARGV>){s#!<##g;s#\n\@return\t.*?\*/# \*/#gs;print}'\ */*[ch] svn diff| perl -e 'undef $/;$_=<>;s#\n-\s*/\* out[:,]([^\n]*?)(\n-[^\n]*?)*\*/##gs;print' Some unintended changes were left. These will be removed in a subsequent patch.
122 lines
3.9 KiB
Text
122 lines
3.9 KiB
Text
/*****************************************************************************
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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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The database buffer pool flush algorithm
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Created 11/5/1995 Heikki Tuuri
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*******************************************************/
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#ifndef UNIV_HOTBACKUP
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#include "buf0buf.h"
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#include "mtr0mtr.h"
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/************************************************************************
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Inserts a modified block into the flush list. */
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UNIV_INTERN
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void
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buf_flush_insert_into_flush_list(
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/*=============================*/
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buf_block_t* block); /*!< in/out: block which is modified */
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/************************************************************************
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Inserts a modified block into the flush list in the right sorted position.
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This function is used by recovery, because there the modifications do not
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necessarily come in the order of lsn's. */
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UNIV_INTERN
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void
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buf_flush_insert_sorted_into_flush_list(
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/*====================================*/
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buf_block_t* block); /*!< in/out: block which is modified */
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/************************************************************************
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This function should be called at a mini-transaction commit, if a page was
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modified in it. Puts the block to the list of modified blocks, if it is not
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already in it. */
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UNIV_INLINE
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void
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buf_flush_note_modification(
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/*========================*/
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buf_block_t* block, /*!< in: block which is modified */
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mtr_t* mtr) /*!< in: mtr */
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{
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ut_ad(block);
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ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE);
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ut_ad(block->page.buf_fix_count > 0);
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#ifdef UNIV_SYNC_DEBUG
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ut_ad(rw_lock_own(&(block->lock), RW_LOCK_EX));
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#endif /* UNIV_SYNC_DEBUG */
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ut_ad(buf_pool_mutex_own());
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ut_ad(mtr->start_lsn != 0);
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ut_ad(mtr->modifications);
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ut_ad(block->page.newest_modification <= mtr->end_lsn);
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block->page.newest_modification = mtr->end_lsn;
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if (!block->page.oldest_modification) {
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block->page.oldest_modification = mtr->start_lsn;
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ut_ad(block->page.oldest_modification != 0);
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buf_flush_insert_into_flush_list(block);
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} else {
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ut_ad(block->page.oldest_modification <= mtr->start_lsn);
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}
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++srv_buf_pool_write_requests;
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}
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/************************************************************************
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This function should be called when recovery has modified a buffer page. */
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UNIV_INLINE
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void
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buf_flush_recv_note_modification(
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/*=============================*/
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buf_block_t* block, /*!< in: block which is modified */
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ib_uint64_t start_lsn, /*!< in: start lsn of the first mtr in a
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set of mtr's */
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ib_uint64_t end_lsn) /*!< in: end lsn of the last mtr in the
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set of mtr's */
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{
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ut_ad(block);
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ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE);
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ut_ad(block->page.buf_fix_count > 0);
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#ifdef UNIV_SYNC_DEBUG
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ut_ad(rw_lock_own(&(block->lock), RW_LOCK_EX));
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#endif /* UNIV_SYNC_DEBUG */
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buf_pool_mutex_enter();
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ut_ad(block->page.newest_modification <= end_lsn);
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block->page.newest_modification = end_lsn;
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if (!block->page.oldest_modification) {
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block->page.oldest_modification = start_lsn;
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ut_ad(block->page.oldest_modification != 0);
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buf_flush_insert_sorted_into_flush_list(block);
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} else {
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ut_ad(block->page.oldest_modification <= start_lsn);
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}
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buf_pool_mutex_exit();
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}
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#endif /* !UNIV_HOTBACKUP */
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