74 lines
2.7 KiB
Groff
74 lines
2.7 KiB
Groff
.\" Copyright (c) 1983, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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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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.\" @(#)sigpause.2 8.1 (Berkeley) 6/2/93
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.\"
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.Dd June 2, 1993
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.Dt SIGPAUSE 2
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.Os BSD 4
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.Sh 名称
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.Nm sigpause
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.Nd ブロックされたシグナルを不可分に解放、割込み待機する
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.Sh 書式
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.Fd #include <signal.h>
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.Ft int
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.Fn sigpause "int sigmask"
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.Sh 解説
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.Sy このインタフェースは、
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.Xr sigsuspend 2
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.Sy に更新されました。
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.Pp
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.Fn sigpause
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は、マスクされたシグナルのセットに
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.Fa sigmask
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を割り当ててからシグナルの到着を待機します。
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戻ると、マスクされたシグナルのセットが復元されます。通常、
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.Fa sigmask
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の 0 はブロックされるシグナルがないことを表わします。
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.Fn sigpause
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は、常に割り込まれることで終了し、
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.Va errno
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を
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.Dv EINTR
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に設定して -1 を戻します。
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.Sh 関連項目
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.Xr kill 2 ,
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.Xr sigaction 2 ,
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.Xr sigblock 2 ,
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.Xr sigprocmask 2 ,
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.Xr sigsuspend 2 ,
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.Xr sigvec 2
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.Sh 歴史
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.Fn sigpause
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関数呼び出しは、
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.Bx 4.2
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で登場しました。
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しかし、現在ではこの関数を使用することは推奨されていません。
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