From 44cff77b95104cc99ea5625df6ebe8adfa3f4a22 Mon Sep 17 00:00:00 2001
From: usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 18 Nov 2011 04:06:01 +0000
Subject: * io.c (rb_cloexec_open): set O_NOINHERIT instead of O_CLOEXEC if it
 is   available (for Windows).

* win32/win32.c (fcntl): on F_DUPFD, determine the inheritance of the
  new handle by O_NOINHERIT flag of original fd.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33783 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 win32/win32.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'win32')

diff --git a/win32/win32.c b/win32/win32.c
index b570a4295d..c7f853ce81 100644
--- a/win32/win32.c
+++ b/win32/win32.c
@@ -3849,7 +3849,8 @@ fcntl(int fd, int cmd, ...)
 	int ret;
 	HANDLE hDup;
 	if (!(DuplicateHandle(GetCurrentProcess(), (HANDLE)_get_osfhandle(fd),
-			      GetCurrentProcess(), &hDup, 0L, TRUE,
+			      GetCurrentProcess(), &hDup, 0L,
+			      !(_osfile(fd) & FNOINHERIT),
 			      DUPLICATE_SAME_ACCESS))) {
 	    errno = map_errno(GetLastError());
 	    return -1;
-- 
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