document RETURN VALUES and ERRORS; from FreeBSD's page;

ok tedu@

1 files changed, 29 insertions, 1 deletions

diff --git a/lib/libc/sys/minherit.2 b/lib/libc/sys/minherit.2
index 73c52ad9382..d1ff6c19bfb 100644
--- a/lib/libc/sys/minherit.2
+++ b/lib/libc/sys/minherit.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: minherit.2,v 1.11 2003/06/02 20:18:39 millert Exp $
+.\"	$OpenBSD: minherit.2,v 1.12 2003/11/22 15:48:34 jmc Exp $
 .\"
 .\" Copyright (c) 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -54,6 +54,34 @@ or
 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
+The
+.Fn minherit
+function returns the value 0 if successful;
+otherwise the value \-1 is returned and the global variable
+.Va errno
+is set to indicate the error.
+.Sh ERRORS
+The
+.Fn minherit
+system call 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 EACCES
+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 madvise 2 ,
 .Xr mincore 2 ,