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Date: Mon, 17 Jul 1995 16:26:02 +1000
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199507170626.QAA21504@godzilla.zeta.org.au>
To: filo@yahoo.com, terry@cs.weber.edu
Subject: Re: Ignoring SIGCHLD without having to wait()?
Cc: freebsd-hackers@FreeBSD.org
Sender: hackers-owner@FreeBSD.org
Precedence: bulk

>The default behaviour is to send a signal and to reap the child.

>I believe that the "ignore" is supposed to work: that is, it will cause
>the exit status to be automatically reaped.  That is, _exit will check
>the mask on the parent process and react accordingly.

I can't see any support for it in FreeBSD.  POSIX says that the behaviour
for ignoring SIGCHLD is unspecified.  You should use sigaction and the
POSIX SA_NOCLDSTOP to avoid being bothered by stopped children.

Bruce