$NetBSD: sighold.3,v 1.4 2008/04/30 13:10:50 martin 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.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.Dd April 30, 2010 .Dt SIGHOLD 3 .Os .Sh NAME .Nm sighold .Nd manipulate current signal mask .Sh LIBRARY .Lb libc .Sh SYNOPSIS n signal.h .Ft int .Fn sighold "int sig" .Sh DESCRIPTION f -symbolic This interface is made obsolete by .Xr sigprocmask 2 . .Ef
Copyright (c) 2003 The NetBSD Foundation, Inc.
All rights reserved.
This code is derived from software contributed to The NetBSD Foundation
by Klaus Klein.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
.Dd April 30, 2010 .Dt SIGHOLD 3 .Os .Sh NAME .Nm sighold .Nd manipulate current signal mask .Sh LIBRARY .Lb libc .Sh SYNOPSIS n signal.h .Ft int .Fn sighold "int sig" .Sh DESCRIPTION f -symbolic This interface is made obsolete by .Xr sigprocmask 2 . .Ef
p The .Fn sighold function adds the signal .Fa sig to the calling process' signal mask. .Sh RETURN VALUES If successful, the .Fn sighold function returns 0. Otherwise -1 is returned and .Va errno is set to indicate the error. .Sh ERRORS The .Fn sighold function will fail if: l -tag -width Er t Bq Er EINVAL The argument .Fa sig is not a valid signal number. .El .Sh SEE ALSO .Xr sigprocmask 2 , .Xr sigrelse 3 .Sh STANDARDS The .Fn sighold function conforms to .St -p1003.1-2001 . It was however marked as obsolete in the .St -p1003.1-2008 revision of the standard.