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-rw-r--r--merge/mrg_locking.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/merge/mrg_locking.c b/merge/mrg_locking.c
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+++ b/merge/mrg_locking.c
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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 */
+
+/*
+ Lock databases against read or write.
+*/
+
+#include "mrg_def.h"
+
+int mrg_lock_database(MRG_INFO *info,int lock_type)
+{
+ int error,new_error;
+ MRG_TABLE *file;
+
+ error=0;
+ for (file=info->open_tables ; file != info->end_table ; file++)
+ if ((new_error=nisam_lock_database(file->table,lock_type)))
+ error=new_error;
+ return(error);
+}