Author: jilles
Date: Sun Sep 13 14:00:49 2015
New Revision: 287753
URL: https://svnweb.freebsd.org/changeset/base/287753
Log:
setuid(2): Suggest O_CLOEXEC instead of fcntl(F_SETFD).
Modified:
head/lib/libc/sys/setuid.2
Modified: head/lib/libc/sys/setuid.2
==============================================================================
--- head/lib/libc/sys/setuid.2 Sun Sep 13 13:58:46 2015 (r287752)
+++ head/lib/libc/sys/setuid.2 Sun Sep 13 14:00:49 2015 (r287753)
@@ -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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