[src/trunk]: src/lib/libc/sys As prompted by Thomas Klausner, add a sentence ...

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

details:   https://anonhg.NetBSD.org/src/rev/8976f65aa0a7
branches:  trunk
changeset: 547022:8976f65aa0a7
user:      kleink <kleink%NetBSD.org@localhost>
date:      Sun May 11 18:04:42 2003 +0000

description:
As prompted by Thomas Klausner, add a sentence on sigset_t and sigsetops()
to the introduction.

diffstat:

 lib/libc/sys/sigaction.2 |  9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diffs (30 lines):

diff -r 62aafe184610 -r 8976f65aa0a7 lib/libc/sys/sigaction.2
--- a/lib/libc/sys/sigaction.2  Sun May 11 17:49:12 2003 +0000
+++ b/lib/libc/sys/sigaction.2  Sun May 11 18:04:42 2003 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: sigaction.2,v 1.32 2003/04/24 12:21:15 wiz Exp $
+.\"    $NetBSD: sigaction.2,v 1.33 2003/05/11 18:04:42 kleink Exp $
 .\"
 .\" Copyright (c) 1980, 1990, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -33,7 +33,7 @@
 .\"
 .\"    @(#)sigaction.2 8.2 (Berkeley) 4/3/94
 .\"
-.Dd April 20, 2003
+.Dd May 11, 2003
 .Dt SIGACTION 2
 .Os
 .Sh NAME
@@ -86,6 +86,11 @@
 It may be changed with a
 .Xr sigprocmask 2
 call, or when a signal is delivered to the process.
+Signal masks are represented using the
+.Em sigset_t
+type; the
+.Xr sigsetops 3
+interface is used to modify such data.
 .Pp
 When a signal
 condition arises for a process, the signal is added to a set of