diff options
Diffstat (limited to 'isam/close.c')
-rw-r--r-- | isam/close.c | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/isam/close.c b/isam/close.c deleted file mode 100644 index 37425653a5d..00000000000 --- a/isam/close.c +++ /dev/null @@ -1,92 +0,0 @@ -/* 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 */ - -/* close a isam-database */ - -#include "isamdef.h" - -int nisam_close(register N_INFO *info) -{ - int error=0,flag; - ISAM_SHARE *share=info->s; - DBUG_ENTER("nisam_close"); - DBUG_PRINT("enter",("base: %lx reopen: %u locks: %u", - info,(uint) share->reopen, - (uint) (share->w_locks+share->r_locks))); - - pthread_mutex_lock(&THR_LOCK_isam); - if (info->lock_type == F_EXTRA_LCK) - info->lock_type=F_UNLCK; /* HA_EXTRA_NO_USER_CHANGE */ - -#ifndef NO_LOCKING - if (info->lock_type != F_UNLCK) - VOID(nisam_lock_database(info,F_UNLCK)); -#else - info->lock_type=F_UNLCK; - share->w_locks--; - if (_nisam_writeinfo(info,test(share->changed))) - error=my_errno; -#endif - pthread_mutex_lock(&share->intern_lock); - - if (share->base.options & HA_OPTION_READ_ONLY_DATA) - share->r_locks--; - if (info->opt_flag & (READ_CACHE_USED | WRITE_CACHE_USED)) - { - if (end_io_cache(&info->rec_cache)) - error=my_errno; - info->opt_flag&= ~(READ_CACHE_USED | WRITE_CACHE_USED); - } - flag= !--share->reopen; - nisam_open_list=list_delete(nisam_open_list,&info->open_list); - pthread_mutex_unlock(&share->intern_lock); - - if (flag) - { - if (share->kfile >= 0 && - flush_key_blocks(dflt_key_cache,share->kfile,FLUSH_RELEASE)) - error=my_errno; - if (share->kfile >= 0 && my_close(share->kfile,MYF(0))) - error = my_errno; -#ifdef HAVE_MMAP - _nisam_unmap_file(info); -#endif - if (share->decode_trees) - { - my_free((gptr) share->decode_trees,MYF(0)); - my_free((gptr) share->decode_tables,MYF(0)); - } -#ifdef THREAD - thr_lock_delete(&share->lock); - VOID(pthread_mutex_destroy(&share->intern_lock)); -#endif - my_free((gptr) info->s,MYF(0)); - } - pthread_mutex_unlock(&THR_LOCK_isam); - if (info->dfile >= 0 && my_close(info->dfile,MYF(0))) - error = my_errno; - - nisam_log_command(LOG_CLOSE,info,NULL,0,error); - my_free((gptr) info->rec_alloc,MYF(0)); - my_free((gptr) info,MYF(0)); - - if (error) - { - my_errno=error; - DBUG_RETURN(-1); - } - DBUG_RETURN(0); -} /* nisam_close */ |