[src/trunk]: src/lib/libc/sys document FD_CLOEXEC from FreeBSD.

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/9015f413cc60
branches:  trunk
changeset: 536514:9015f413cc60
user:      christos <christos%NetBSD.org@localhost>
date:      Tue Sep 17 21:35:37 2002 +0000

description:
document FD_CLOEXEC from FreeBSD.

diffstat:

 lib/libc/sys/fcntl.2 |  18 +++++++++++++-----
 1 files changed, 13 insertions(+), 5 deletions(-)

diffs (40 lines):

diff -r 53c89281c084 -r 9015f413cc60 lib/libc/sys/fcntl.2
--- a/lib/libc/sys/fcntl.2      Tue Sep 17 20:34:08 2002 +0000
+++ b/lib/libc/sys/fcntl.2      Tue Sep 17 21:35:37 2002 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: fcntl.2,v 1.22 2002/02/08 01:28:17 ross Exp $
+.\"    $NetBSD: fcntl.2,v 1.23 2002/09/17 21:35:37 christos Exp $
 .\"
 .\" Copyright (c) 1983, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -86,8 +86,12 @@
 .El
 .It Dv F_GETFD
 Get the close-on-exec flag associated with the file descriptor
-.Fa fd .
-If the low-order bit of the returned value is 0,
+.Fa fd
+as
+.Dv FD_CLOEXEC .
+If the returned value ANDed with
+.Dv FD_CLOEXEC
+is 0,
 the file will remain open across
 .Fn exec ,
 otherwise the file will be closed upon execution of
@@ -97,9 +101,13 @@
 .It Dv F_SETFD
 Set the close-on-exec flag associated with
 .Fa fd
-to the low order bit of
+to
+.Fa arg ,
+where
 .Fa arg
-(0 or 1 as above).
+is either 0 or
+.Dv FD_CLOEXEC ,
+as described above.
 .It Dv F_GETFL
 Get descriptor status flags, as described below
 .Fa ( arg