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9530d06766
and sigsuspend(2), all three of which operate or depend on the process signal mask. Add a missing xref to sigsetops(3), without which the above three syscalls would be useless.
82 lines
2.8 KiB
Groff
82 lines
2.8 KiB
Groff
.\" Copyright (c) 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" This code is derived from software contributed to Berkeley by
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.\" Berkeley Software Design, Inc.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)sigpending.2 8.3 (Berkeley) 1/12/94
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.\" $FreeBSD$
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.\"
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.Dd January 12, 1994
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.Dt SIGPENDING 2
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.Os
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.Sh NAME
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.Nm sigpending
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.Nd get pending signals
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.In signal.h
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.Ft int
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.Fn sigpending "sigset_t *set"
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.Sh DESCRIPTION
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The
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.Fn sigpending
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system call returns a mask of the signals pending for delivery
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to the calling process in the location indicated by
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.Fa set .
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Signals may be pending because they are currently masked,
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or transiently before delivery (although the latter case is not
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normally detectable).
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.Sh RETURN VALUES
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.Rv -std sigpending
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.Sh ERRORS
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The
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.Fn sigpending
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system call
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will fail if:
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.Bl -tag -width Er
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.It Bq Er EFAULT
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The
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.Fa set
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argument specified an invalid address.
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.El
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.Sh SEE ALSO
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.Xr sigaction 2 ,
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.Xr sigprocmask 2 ,
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.Xr sigsuspend 2 ,
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.Xr sigsetops 3
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.Sh STANDARDS
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The
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.Fn sigpending
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system call is expected to conform to
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.St -p1003.1-90 .
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