release/src/router/mysql/storage/heap/hp_close.c

   1 /* Copyright (c) 2000-2002, 2005-2007 MySQL AB
   2
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; version 2 of the License.
   6
   7    This program is distributed in the hope that it will be useful,
   8    but WITHOUT ANY WARRANTY; without even the implied warranty of
   9    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10    GNU General Public License for more details.
  11
  12    You should have received a copy of the GNU General Public License
  13    along with this program; if not, write to the Free Software
  14    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA */
  15
  16 /* close a heap-database */
  17
  18 #include "heapdef.h"
  19
  20         /* Close a database open by hp_open() */
  21         /* Data is normally not deallocated */
  22
  23 int heap_close(HP_INFO *info)
  24 {
  25   int tmp;
  26   DBUG_ENTER("heap_close");
  27   pthread_mutex_lock(&THR_LOCK_heap);
  28   tmp= hp_close(info);
  29   pthread_mutex_unlock(&THR_LOCK_heap);
  30   DBUG_RETURN(tmp);
  31 }
  32
  33
  34 int hp_close(register HP_INFO *info)
  35 {
  36   int error=0;
  37   DBUG_ENTER("hp_close");
  38 #ifndef DBUG_OFF
  39   if (info->s->changed && heap_check_heap(info,0))
  40   {
  41     error=my_errno=HA_ERR_CRASHED;
  42   }
  43 #endif
  44   info->s->changed=0;
  45   if (info->open_list.data)
  46     heap_open_list=list_delete(heap_open_list,&info->open_list);
  47   if (!--info->s->open_count && info->s->delete_on_close)
  48     hp_free(info->s);                           /* Table was deleted */
  49   my_free((uchar*) info,MYF(0));
  50   DBUG_RETURN(error);
  51 }