Import changeset

1 files changed, 57 insertions, 0 deletions

diff --git a/heap/hp_panic.c b/heap/hp_panic.c
new file mode 100644
index 00000000000..cfd370a56d0
--- /dev/null
+++ b/heap/hp_panic.c
@@ -0,0 +1,57 @@
+/* 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 "heapdef.h"
+
+	/* if flag == HA_PANIC_CLOSE then all files are removed for more
+	   memory */
+
+int heap_panic(enum ha_panic_function flag)
+{
+  LIST *element,*next_open;
+  DBUG_ENTER("heap_panic");
+
+  pthread_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;
+    }
+  }
+  pthread_mutex_unlock(&THR_LOCK_heap);
+  DBUG_RETURN(0);
+} /* heap_panic */