From 4de1839d301e2cc87ce30121637132a5f5a47791 Mon Sep 17 00:00:00 2001
From: victor <victor@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>
Date: Thu, 27 Feb 2003 10:48:41 +0000
Subject: check lock when get_record

git-svn-id: http://opensvn.csie.org/pttbbs/pttbbs/trunk/pttbbs@680 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
---
 mbbsd/record.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'mbbsd')

diff --git a/mbbsd/record.c b/mbbsd/record.c
index cc82cde8..61f58dbc 100644
--- a/mbbsd/record.c
+++ b/mbbsd/record.c
@@ -1,4 +1,4 @@
-/* $Id: record.c,v 1.12 2002/12/31 17:40:51 in2 Exp $ */
+/* $Id: record.c,v 1.13 2003/02/27 10:48:41 victor Exp $ */
 #include "bbs.h"
 
 #undef  HAVE_MMAP
@@ -78,6 +78,11 @@ get_records(char *fpath, void *rptr, int size, int id, int number)
     if (id < 1 || (fd = open(fpath, O_RDONLY, 0)) == -1)
 	return -1;
 
+	if( flock(fd, LOCK_EX) < 0 ){
+	    close(fd);
+	    return -1;
+	}
+
     if (lseek(fd, (off_t) (size * (id - 1)), SEEK_SET) == -1) {
 	close(fd);
 	return 0;
-- 
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