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-rw-r--r--merge/mrg_panic.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/merge/mrg_panic.c b/merge/mrg_panic.c
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index 00000000000..dd9b8bf4e0f
--- /dev/null
+++ b/merge/mrg_panic.c
@@ -0,0 +1,47 @@
+/* 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);
+}