Document SA_NOKERNINFO.

lib/libc/sys/sigaction.2

@@ -1,4 +1,4 @@
-.\"	$NetBSD: sigaction.2,v 1.42 2005/03/30 17:09:28 christos Exp $
+.\"	$NetBSD: sigaction.2,v 1.43 2006/06/03 18:23:52 christos Exp $
 .\"
 .\" Copyright (c) 1980, 1990, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"	@(#)sigaction.2	8.2 (Berkeley) 4/3/94
 .\"
-.Dd March 30, 2005
+.Dd June 3, 2006
 .Dt SIGACTION 2
 .Os
 .Sh NAME
@@ -171,7 +171,7 @@ of the signal are ignored and discarded.
 .Pp
 Options may be specified by setting
 .Em sa_flags .
-.Bl -tag -width SA_NOCLDSTOP
+.Bl -tag -width SA_NOKERNINFO
 .It Dv SA_NODEFER
 If set, then the signal that caused the handler to be executed is not added
 to the list of block signals.
@@ -277,6 +277,14 @@ argument
 is a pointer to the
 .Xr ucontext 2
 context where the signal handler will return to.
+.It Dv SA_NOKERNINFO
+This flag is relevant only to
+.Dv SIGINFO ,
+and turns off printing kernel messages on the tty.
+It is similar to the
+.Dv NOKERNINFO
+flag in
+.Xr termios 4 .
 .El
 .Pp
 Only functions that are async-signal-safe can safely be used in signal