Add missing RETURN VALUES/ERRORS sections.

1 files changed, 28 insertions, 1 deletions

diff --git a/lib/libc/sys/minherit.2 b/lib/libc/sys/minherit.2
index cc26fa6..997bafd 100644
--- a/lib/libc/sys/minherit.2
+++ b/lib/libc/sys/minherit.2
@@ -1,4 +1,4 @@
-.\"	$Id$
+.\"	$Id: minherit.2,v 1.1 1996/02/23 19:56:54 peter Exp $
 .\"
 .\" Copyright (c) 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -53,6 +53,33 @@ changes the specified pages to have the inheritance characteristic
 Not all implementations will guarantee that the inheritance characteristic
 can be set on a page basis;
 the granularity of changes may be as large as an entire region.
+.Sh RETURN VALUES
+Upon successful completion,
+.Fn minherit
+returns 0.  Otherwise, a value of -1 is returned and
+.Va errno
+is set to indicate the error.
+.Sh ERRORS
+The
+.Fn minherit
+function will fail if:
+.Bl -tag -width Er
+.It Bq Er EINVAL
+The virtual address range specified by the
+.Fa addr
+and
+.Fa len
+arguments is not valid.
+.It Bq Er EACESS
+The flags specified by the
+.Fa inherit
+argument were not valid for the pages specified
+by the
+.Fa addr
+and
+.Fa len
+arguments.
+.El
 .Sh SEE ALSO
 .Xr fork 2 ,
 .Xr madvise 2 ,