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bk@work.mysql.com
2000-07-31 21:29:14 +02:00
parent 7eec25e393
commit f4c589ff6c
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heap/hp_panic.c Normal file
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/* 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 */