From 036f5d34b6bc40bdd6c38d8ba34d475e47a6f288 Mon Sep 17 00:00:00 2001
From: jilles <jilles@FreeBSD.org>
Date: Sun, 13 Sep 2015 14:00:49 +0000
Subject: setuid(2): Suggest O_CLOEXEC instead of fcntl(F_SETFD).

---
 lib/libc/sys/setuid.2 | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

(limited to 'lib/libc')

diff --git a/lib/libc/sys/setuid.2 b/lib/libc/sys/setuid.2
index 4c7d5ad..54d89bc 100644
--- a/lib/libc/sys/setuid.2
+++ b/lib/libc/sys/setuid.2
@@ -28,7 +28,7 @@
 .\"     @(#)setuid.2	8.1 (Berkeley) 6/4/93
 .\" $FreeBSD$
 .\"
-.Dd June 4, 1993
+.Dd September 13, 2015
 .Dt SETUID 2
 .Os
 .Sh NAME
@@ -178,15 +178,10 @@ pseudocode(void)
 	int fd;
 	/* ... */
 
-	fd = open("/path/to/sensitive/data", O_RDWR);
+	fd = open("/path/to/sensitive/data", O_RDWR | O_CLOEXEC);
 	if (fd == -1)
 		err(1, "open");
 
-	/*
-	 * Set close-on-exec flag; see fcntl(2) for more information.
-	 */
-	if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
-		err(1, "fcntl(F_SETFD)");
 	/* ... */
 	execve(path, argv, environ);
 }
-- 
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