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mention that SIG_IGN on SIGCHLD does not produce zombies.

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christos 2005-03-30 17:09:28 +00:00
parent f9a341d1f6
commit 1880024ade
1 changed files with 6 additions and 2 deletions
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8
lib/libc/sys/sigaction.2
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@ -1,4 +1,4 @@
.\" $NetBSD: sigaction.2,v 1.41 2005/03/22 20:25:31 kleink Exp $
.\" $NetBSD: sigaction.2,v 1.42 2005/03/30 17:09:28 christos Exp $
.\"
.\" Copyright (c) 1980, 1990, 1993
.\" The Regents of the University of California. All rights reserved.
@ -29,7 +29,7 @@
.\"
.\" @(#)sigaction.2 8.2 (Berkeley) 4/3/94
.\"
.Dd June 13, 2004
.Dd March 30, 2005
.Dt SIGACTION 2
.Os
.Sh NAME
@ -196,6 +196,10 @@ not when a child process stops.
.It Dv SA_NOCLDWAIT
If set, the system will not create a zombie when the child exits,
but the child process will be automatically waited for.
The same effect can be achieved by setting the signal handler for
.Dv SIGCHLD
to
.Dv SIG_IGN .
.It Dv SA_ONSTACK
If set, the system will deliver the signal to the process on a
.Em "signal stack" ,