mrg_panic.c
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:2k
- /* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- #include "mrg_def.h"
- /* if flag == HA_PANIC_CLOSE then all misam files are closed */
- /* if flag == HA_PANIC_WRITE then all misam files are unlocked and
- all changed data in single user misam is written to file */
- /* if flag == HA_PANIC_READ then all misam files that was locked when
- nisam_panic(HA_PANIC_WRITE) was done is locked. A ni_readinfo() is
- done for all single user files to get changes in database */
- int mrg_panic(
- enum ha_panic_function flag)
- {
- int error=0;
- LIST *list_element,*next_open;
- MRG_INFO *info;
- DBUG_ENTER("mrg_panic");
- for (list_element=mrg_open_list ; list_element ; list_element=next_open)
- {
- next_open=list_element->next; /* Save if close */
- info=(MRG_INFO*) list_element->data;
- if (flag == HA_PANIC_CLOSE && mrg_close(info))
- error=my_errno;
- }
- if (mrg_open_list && flag != HA_PANIC_CLOSE)
- DBUG_RETURN(nisam_panic(flag));
- if (!error) DBUG_RETURN(0);
- my_errno=error;
- DBUG_RETURN(-1);
- }