From 55a1b1d97a090eec8987c4a9c8541c2d3efc1110 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 2 May 2011 19:27:59 +0000
Subject: * thread.c (rb_thread_select): preserve errno if no error   occurred.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31412 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 thread.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'thread.c')

diff --git a/thread.c b/thread.c
index dd40be0ece..c272256d4b 100644
--- a/thread.c
+++ b/thread.c
@@ -2672,7 +2672,7 @@ rb_thread_select(int max, fd_set * read, fd_set * write, fd_set * except,
 	return 0;
     }
     else {
-	int lerrno;
+	int lerrno = errno;
 	int result;
 
 	BLOCKING_REGION({
-- 
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