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bk@work.mysql.com
2000-07-31 21:29:14 +02:00
parent 7eec25e393
commit f4c589ff6c
2375 changed files with 454571 additions and 0 deletions
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heap/hp_create.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 */
/*
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)
{
DBUG_ENTER("heap_create");
(void) heap_delete_all(name);
DBUG_RETURN(0);
}
int heap_delete_all(const char *name)
{
reg1 HP_SHARE *info;
int found;
DBUG_ENTER("heap_delete_all");
pthread_mutex_lock(&THR_LOCK_heap);
if ((info=_hp_find_named_heap(name)))
{
if (info->open_count == 0)
_hp_free(info);
found=0;
}
else
{
found=my_errno=ENOENT;
}
pthread_mutex_unlock(&THR_LOCK_heap);
DBUG_RETURN(found);
}
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;
}