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-rw-r--r--storage/heap/hp_panic.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/storage/heap/hp_panic.c b/storage/heap/hp_panic.c
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+++ b/storage/heap/hp_panic.c
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+/* Copyright (c) 2000, 2002, 2005, 2006 MySQL AB, 2009 Sun Microsystems, Inc.
+ 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 St, Fifth Floor, Boston, MA 02110-1335 USA */
+
+#include "heapdef.h"
+
+ /* if flag == HA_PANIC_CLOSE then all files are removed for more
+ memory */
+
+int hp_panic(enum ha_panic_function flag)
+{
+ LIST *element,*next_open;
+ DBUG_ENTER("hp_panic");
+
+ mysql_mutex_lock(&THR_LOCK_heap);
+ for (element=heap_open_list ; element ; element=next_open)
+ {
+ HP_INFO *info=(HP_INFO*) element->data;
+ next_open=element->next; /* Save if close */
+ switch (flag) {
+ case HA_PANIC_CLOSE:
+ hp_close(info);
+ break;
+ default:
+ break;
+ }
+ }
+ for (element=heap_share_list ; element ; element=next_open)
+ {
+ HP_SHARE *share=(HP_SHARE*) element->data;
+ next_open=element->next; /* Save if close */
+ switch (flag) {
+ case HA_PANIC_CLOSE:
+ {
+ if (!share->open_count)
+ hp_free(share);
+ break;
+ }
+ default:
+ break;
+ }
+ }
+ mysql_mutex_unlock(&THR_LOCK_heap);
+ DBUG_RETURN(0);
+} /* hp_panic */