Import changeset

1 files changed, 47 insertions, 0 deletions

diff --git a/merge/panic.c b/merge/panic.c
new file mode 100644
index 00000000000..c3820fe468d
--- /dev/null
+++ b/merge/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 "mrgdef.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(flag)
+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);
+}