mirror of
https://github.com/MariaDB/server.git
synced 2025-01-18 04:53:01 +01:00
78 lines
2 KiB
C
78 lines
2 KiB
C
/* 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 */
|
|
|
|
/*
|
|
Create is done by simply remove the database from memory if it exists.
|
|
Open creates the database when neaded
|
|
*/
|
|
|
|
#include "heapdef.h"
|
|
|
|
|
|
int heap_create(const char *name)
|
|
{
|
|
reg1 HP_SHARE *share;
|
|
DBUG_ENTER("heap_create");
|
|
pthread_mutex_lock(&THR_LOCK_heap);
|
|
if ((share=_hp_find_named_heap(name)))
|
|
{
|
|
if (share->open_count == 0)
|
|
_hp_free(share);
|
|
}
|
|
else
|
|
{
|
|
my_errno=ENOENT;
|
|
}
|
|
pthread_mutex_unlock(&THR_LOCK_heap);
|
|
DBUG_RETURN(0);
|
|
}
|
|
|
|
int heap_delete_table(const char *name)
|
|
{
|
|
int result;
|
|
reg1 HP_SHARE *share;
|
|
DBUG_ENTER("heap_delete_table");
|
|
|
|
pthread_mutex_lock(&THR_LOCK_heap);
|
|
if ((share=_hp_find_named_heap(name)))
|
|
{
|
|
if (share->open_count == 0)
|
|
_hp_free(share);
|
|
else
|
|
share->delete_on_close=1;
|
|
result=0;
|
|
}
|
|
else
|
|
{
|
|
result=my_errno=ENOENT;
|
|
}
|
|
pthread_mutex_unlock(&THR_LOCK_heap);
|
|
DBUG_RETURN(result);
|
|
}
|
|
|
|
|
|
void _hp_free(HP_SHARE *share)
|
|
{
|
|
heap_share_list=list_delete(heap_share_list,&share->open_list);
|
|
_hp_clear(share); /* Remove blocks from memory */
|
|
#ifdef THREAD
|
|
thr_lock_delete(&share->lock);
|
|
VOID(pthread_mutex_destroy(&share->intern_lock));
|
|
#endif
|
|
my_free((gptr) share->name,MYF(0));
|
|
my_free((gptr) share,MYF(0));
|
|
return;
|
|
}
|