mirror of
https://github.com/MariaDB/server.git
synced 2025-10-31 19:06:14 +01:00
17b4f99928
This commit is based on the work of Michal Schorm, rebased on the
earliest MariaDB version.
Th command line used to generate this diff was:
find ./ -type f \
-exec sed -i -e 's/Foundation, Inc., 59 Temple Place, Suite 330, Boston, /Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, /g' {} \; \
-exec sed -i -e 's/Foundation, Inc. 59 Temple Place.* Suite 330, Boston, /Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, /g' {} \; \
-exec sed -i -e 's/MA.*.....-1307.*USA/MA 02110-1335 USA/g' {} \; \
-exec sed -i -e 's/Foundation, Inc., 59 Temple/Foundation, Inc., 51 Franklin/g' {} \; \
-exec sed -i -e 's/Place, Suite 330, Boston, MA.*02111-1307.*USA/Street, Fifth Floor, Boston, MA 02110-1335 USA/g' {} \; \
-exec sed -i -e 's/MA.*.....-1307/MA 02110-1335/g' {} \;
139 lines
4.6 KiB
C
139 lines
4.6 KiB
C
/* Copyright (C) 2006 MySQL AB & MySQL Finland AB & TCX DataKonsult 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
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#include "ma_fulltext.h"
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/*
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Stop usage of Maria
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SYNOPSIS
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maria_panic()
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flag HA_PANIC_CLOSE: All maria files (tables and log) are closed.
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maria_end() is called.
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HA_PANIC_WRITE: All misam files are unlocked and
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all changed data in single user maria is
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written to file
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HA_PANIC_READ All maria files that was locked when
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maria_panic(HA_PANIC_WRITE) was done is
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locked. A maria_readinfo() is done for
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all single user files to get changes
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in database
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RETURN
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0 ok
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# error number in case of error
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*/
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int maria_panic(enum ha_panic_function flag)
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{
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int error=0;
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LIST *list_element,*next_open;
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MARIA_HA *info;
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DBUG_ENTER("maria_panic");
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if (!maria_inited)
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DBUG_RETURN(0);
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mysql_mutex_lock(&THR_LOCK_maria);
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for (list_element=maria_open_list ; list_element ; list_element=next_open)
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{
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next_open=list_element->next; /* Save if close */
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info=(MARIA_HA*) list_element->data;
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switch (flag) {
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case HA_PANIC_CLOSE:
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/*
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If bad luck (if some tables would be used now, which normally does not
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happen in MySQL), as we release the mutex, the list may change and so
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we may crash.
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*/
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mysql_mutex_unlock(&THR_LOCK_maria);
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if (maria_close(info))
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error=my_errno;
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mysql_mutex_lock(&THR_LOCK_maria);
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break;
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case HA_PANIC_WRITE: /* Do this to free databases */
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#ifdef CANT_OPEN_FILES_TWICE
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if (info->s->options & HA_OPTION_READ_ONLY_DATA)
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break;
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#endif
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if (_ma_flush_table_files(info, MARIA_FLUSH_DATA | MARIA_FLUSH_INDEX,
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FLUSH_RELEASE, FLUSH_RELEASE))
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error=my_errno;
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if (info->opt_flag & WRITE_CACHE_USED)
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if (flush_io_cache(&info->rec_cache))
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error=my_errno;
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if (info->opt_flag & READ_CACHE_USED)
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{
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if (flush_io_cache(&info->rec_cache))
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error=my_errno;
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reinit_io_cache(&info->rec_cache,READ_CACHE,0,
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(pbool) (info->lock_type != F_UNLCK),1);
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}
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if (info->lock_type != F_UNLCK && ! info->was_locked)
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{
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info->was_locked=info->lock_type;
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if (maria_lock_database(info,F_UNLCK))
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error=my_errno;
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}
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#ifdef CANT_OPEN_FILES_TWICE
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if (info->s->kfile.file >= 0 && mysql_file_close(info->s->kfile.file, MYF(0)))
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error = my_errno;
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if (info->dfile.file >= 0 && mysql_file_close(info->dfile.file, MYF(0)))
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error = my_errno;
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info->s->kfile.file= info->dfile.file= -1;/* Files aren't open anymore */
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#endif
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break;
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case HA_PANIC_READ: /* Restore to before WRITE */
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#ifdef CANT_OPEN_FILES_TWICE
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{ /* Open closed files */
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char name_buff[FN_REFLEN];
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MARIA_SHARE *share= info->s;
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if (share->kfile.file < 0)
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{
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if ((share->kfile.file= mysql_file_open(key_file_kfile,
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fn_format(name_buff, info->filename, "",
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N_NAME_IEXT,4),
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info->mode, MYF(MY_WME))) < 0)
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error = my_errno;
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}
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if (info->dfile.file < 0)
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{
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if ((info->dfile.file= mysql_file_open(key_file_dfile,
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fn_format(name_buff, info->filename,
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"", N_NAME_DEXT, 4),
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info->mode, MYF(MY_WME))) < 0)
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error = my_errno;
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info->rec_cache.file= info->dfile.file;
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}
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if (share->bitmap.file.file < 0)
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share->bitmap.file.file= info->dfile.file;
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}
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#endif
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if (info->was_locked)
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{
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if (maria_lock_database(info, info->was_locked))
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error=my_errno;
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info->was_locked=0;
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}
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break;
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}
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}
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mysql_mutex_unlock(&THR_LOCK_maria);
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if (flag == HA_PANIC_CLOSE)
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maria_end();
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if (!error)
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DBUG_RETURN(0);
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DBUG_RETURN(my_errno=error);
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} /* maria_panic */
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