1.\" Copyright (c) 1983, 1991 The Regents of the University of California. 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. All advertising materials mentioning features or use of this software 13.\" must display the following acknowledgement: 14.\" This product includes software developed by the University of 15.\" California, Berkeley and its contributors. 16.\" 4. Neither the name of the University nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" from: @(#)sigsetmask.2 6.7 (Berkeley) 3/10/91 33.\" $Id: sigsetmask.3,v 1.1.1.1 1995/10/18 08:41:46 deraadt Exp $ 34.\" 35.Dd March 10, 1991 36.Dt SIGSETMASK 3 37.Os BSD 4.2 38.Sh NAME 39.Nm sigsetmask 40.Nd set current signal mask 41.Sh SYNOPSIS 42.Fd #include <signal.h> 43.Ft int 44.Fn sigsetmask "int mask" 45.Fn sigmask signum 46.Sh DESCRIPTION 47.Bf -symbolic 48This interface is made obsoleted by: 49.Ef 50.Xr sigprocmask 2 . 51.Pp 52.Fn Sigsetmask 53sets the current signal mask 54Signals are blocked from delivery if the 55corresponding bit in 56.Fa mask 57is a 1; the macro 58.Fn sigmask 59is provided to construct the mask for a given 60.Fa signum . 61.Pp 62The system 63quietly disallows 64.Dv SIGKILL 65or 66.Dv SIGSTOP 67to be blocked. 68.Sh RETURN VALUES 69The previous set of masked signals is returned. 70.Sh SEE ALSO 71.Xr sigprocmask 2 , 72.Xr kill 2 , 73.Xr sigaction 2 , 74.Xr sigsuspend 2 , 75.Xr sigvec 3 , 76.Xr sigblock 2 , 77.Xr sigsetops 3 78.Sh HISTORY 79The 80.Fn sigsetmask 81function call appeared in 82.Bx 4.2 83and has been deprecated. 84