[unix-history] / usr / src / lib / libc / compat-43 / sigsetmask.2

.\" Copyright (c) 1983 Regents of the University of California.
.\" All rights reserved.  The Berkeley software License Agreement
.\" specifies the terms and conditions for redistribution.
.\"
.\"	@(#)sigsetmask.2	6.2 (Berkeley) %G%
.\"
.TH SIGSETMASK 2 ""
.UC 5
.SH NAME
sigsetmask \- set current signal mask
.SH SYNOPSIS
.nf
.B sigsetmask(mask);
.B int mask;
.SH DESCRIPTION
.I Sigsetmask
sets the current signal mask (those signals
that are blocked from delivery).  Signal
.I i
is blocked if the
.IR i -th
bit in 
.I mask
is a 1.
.PP
The system
quietly disallows SIGKILL, SIGSTOP, or SIGCONT to
be blocked.
.SH "RETURN VALUE
The previous set of masked signals is returned.
.SH "SEE ALSO"
kill(2), sigvec(2), sigblock(2), sigpause(2)
Commit	Line	Data
9b494949 KM	1	.\" Copyright (c) 1983 Regents of the University of California.
	2	.\" All rights reserved. The Berkeley software License Agreement
	3	.\" specifies the terms and conditions for redistribution.
	4	.\"
eff6446c	5	.\" @(#)sigsetmask.2 6.2 (Berkeley) %G%
9b494949	6	.\"
283141e3	7	.TH SIGSETMASK 2 ""
9b494949 KM	8	.UC 5
	9	.SH NAME
	10	sigsetmask \- set current signal mask
	11	.SH SYNOPSIS
	12	.nf
	13	.B sigsetmask(mask);
	14	.B int mask;
	15	.SH DESCRIPTION
	16	.I Sigsetmask
	17	sets the current signal mask (those signals
eff6446c	18	that are blocked from delivery). Signal
9b494949 KM	19	.I i
	20	is blocked if the
	21	.IR i -th
	22	bit in
	23	.I mask
	24	is a 1.
	25	.PP
	26	The system
	27	quietly disallows SIGKILL, SIGSTOP, or SIGCONT to
	28	be blocked.
	29	.SH "RETURN VALUE
	30	The previous set of masked signals is returned.
	31	.SH "SEE ALSO"
	32	kill(2), sigvec(2), sigblock(2), sigpause(2)