.\" Copyright (c) 1993
.\"	The Regents of the University of California.  All rights reserved.
.\"
.\" This code is derived from software contributed to Berkeley by
.\" Berkeley Software Design, Inc.
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.\" modification, are permitted provided that the following conditions
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.\"    must display the following acknowledgement:
.\"	This product includes software developed by the University of
.\"	California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\"    may be used to endorse or promote products derived from this software
.\"    without specific prior written permission.
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.\"	@(#)sigpending.2	8.3 (Berkeley) 1/12/94
.\" %FreeBSD: src/lib/libc/sys/sigpending.2,v 1.12 2003/06/24 15:41:19 yar Exp %
.\"
.\" $FreeBSD$
.Dd January 12, 1994
.Dt SIGPENDING 2
.Os
.Sh 名称
.Nm sigpending
.Nd 保留中のシグナルの取得
.Sh ライブラリ
.Lb libc
.Sh 書式
.In signal.h
.Ft int
.Fn sigpending "sigset_t *set"
.Sh 解説
.Fn sigpending
システムコールは、
.Fa set
で示された場所の呼び出しプロセスの配信が保留になっているシグナルの
マスクを戻します。
シグナルは、現在マスクをかけられているとき、
または配信前に一時的に保留になります
(通常、後者を検出することはできません)。
.Sh 戻り値
.Rv -std sigpending
.Sh エラー
.Fn sigpending
システムコールは、失敗した場合に次のエラーを返します。
.Bl -tag -width Er
.It Bq Er EFAULT
引数
.Fa set
が示すアドレスが無効です。
.El
.Sh 関連項目
.Xr sigaction 2 ,
.Xr sigprocmask 2 ,
.Xr sigsuspend 2 ,
.Xr sigsetops 3
.Sh 規格
.Fn sigpending
システムコールは、
.St -p1003.1-90
に適合しています。