[src/trunk]: src/lib/libc/sys bring in RETURN VALUES from openbsd.

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

details:   https://anonhg.NetBSD.org/src/rev/31d93d3502d8
branches:  trunk
changeset: 535168:31d93d3502d8
user:      yamt <yamt%NetBSD.org@localhost>
date:      Sun Aug 11 13:17:35 2002 +0000

description:
bring in RETURN VALUES from openbsd.

diffstat:

 lib/libc/sys/madvise.2 |  10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diffs (31 lines):

diff -r 5ed851c0a526 -r 31d93d3502d8 lib/libc/sys/madvise.2
--- a/lib/libc/sys/madvise.2    Sun Aug 11 12:40:47 2002 +0000
+++ b/lib/libc/sys/madvise.2    Sun Aug 11 13:17:35 2002 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: madvise.2,v 1.16 2002/02/08 01:28:19 ross Exp $
+.\"    $NetBSD: madvise.2,v 1.17 2002/08/11 13:17:35 yamt Exp $
 .\"
 .\" Copyright (c) 1991, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -33,7 +33,7 @@
 .\"
 .\"    @(#)madvise.2   8.1 (Berkeley) 6/9/93
 .\"
-.Dd June 9, 1993
+.Dd August 11, 2002
 .Dt MADVISE 2
 .Os
 .Sh NAME
@@ -62,6 +62,12 @@
 #define        MADV_SPACEAVAIL 5       /* ensure that resources are reserved */
 #define        MADV_FREE       6       /* pages are empty, free them */
 .Ed
+.Sh RETURN VALUES
+Upon successful completion,
+a value of 0 is returned.
+Otherwise, a value of -1 is returned and
+.Va errno
+is set to indicate the error.
 .Sh SEE ALSO
 .Xr mincore 2 ,
 .Xr mprotect 2 ,