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-rw-r--r--storage/myisammrg/myrg_panic.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/storage/myisammrg/myrg_panic.c b/storage/myisammrg/myrg_panic.c
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--- /dev/null
+++ b/storage/myisammrg/myrg_panic.c
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+/* Copyright (c) 2000, 2001, 2005, 2006 MySQL AB
+ Use is subject to license terms
+
+ 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; version 2 of the License.
+
+ 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
+
+#include "myrg_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
+ mi_panic(HA_PANIC_WRITE) was done is locked. A mi_readinfo() is
+ done for all single user files to get changes in database */
+
+
+int myrg_panic(enum ha_panic_function flag)
+{
+ int error=0;
+ LIST *list_element,*next_open;
+ MYRG_INFO *info;
+ DBUG_ENTER("myrg_panic");
+
+ for (list_element=myrg_open_list ; list_element ; list_element=next_open)
+ {
+ next_open=list_element->next; /* Save if close */
+ info=(MYRG_INFO*) list_element->data;
+ if (flag == HA_PANIC_CLOSE && myrg_close(info))
+ error=my_errno;
+ }
+ if (myrg_open_list && flag != HA_PANIC_CLOSE)
+ DBUG_RETURN(mi_panic(flag));
+ if (error)
+ my_errno=error;
+ DBUG_RETURN(error);
+}