\" $NetBSD: sigignore.3,v 1.6 2010/04/30 06:48:20 wiz Exp $
\"
\" Copyright (c) 2003 The NetBSD Foundation, Inc.
\" All rights reserved.
\"
\" This code is derived from software contributed to The NetBSD Foundation
\" by Klaus Klein.
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\" 2. Redistributions in binary form must reproduce the above copyright
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Dd April 30, 2010
Dt SIGIGNORE 3
Os
Sh NAME
Nm sigignore
Nd manipulate signal dispositions
Sh LIBRARY
Lb libc
Sh SYNOPSIS
In signal.h
Ft int
Fn sigignore "int sig"
Sh DESCRIPTION
Bf -symbolic
This interface is made obsolete by
Xr sigaction 2 .
Ef
Pp
The
Fn sigignore
function sets the disposition of the signal
Fa sig
to
Dv SIG_IGN .
Sh RETURN VALUES
If successful, the
Fn sigignore
function returns 0.
Otherwise \-1 is returned and
Va errno
is set to indicate the error.
Sh ERRORS
The
Fn sigignore
function will fail if:
Bl -tag -width Er
It Bq Er EINVAL
The argument
Fa sig
is not a valid signal number;
or an attempt is made to ignore a signal that cannot be ignored,
such as
Dv SIGKILL
or
Dv SIGSTOP .
El
Sh SEE ALSO
Xr sigaction 2
Sh STANDARDS
The
Fn sigignore
function conforms to
St -p1003.1-2001 .
It was however marked as obsolete in the
St -p1003.1-2008
revision of the standard.
