From 65e0e64656f24488e1a17cd91a3a3de02ee27a78 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 22 Jun 2004 15:00:36 +0000
Subject: * io.c (rb_io_initialize): should check fcntl result. 
 [ruby-dev:23742]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6497 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 io.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'io.c')

diff --git a/io.c b/io.c
index 52b4cfb05c..d26aaaf1cd 100644
--- a/io.c
+++ b/io.c
@@ -3851,6 +3851,7 @@ rb_io_initialize(argc, argv, io)
     else if (!ofp) {
 #if defined(HAVE_FCNTL) && defined(F_GETFL)
 	flags = fcntl(fd, F_GETFL);
+	if (flags == -1) rb_sys_fail(0);
 #else
 	flags = O_RDONLY;
 #endif
-- 
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