From owner-freebsd-hackers  Fri Aug 25 11:31:55 2000
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Date: Fri, 25 Aug 2000 18:59:26 +0100
From: Ben Smithurst <ben@FreeBSD.org>
To: "'Alfred Perlstein'" <bright@wintelcom.net>
Cc: "Yevmenkin, Maksim N, CSCIO" <myevmenkin@att.com>,
	core-ix@hushmail.com, freebsd-hackers@FreeBSD.ORG
Subject: Re: Preventing zombies to occure
Message-ID: <20000825185926.D30144@strontium.scientia.demon.co.uk>
References: <E598F159668DD311B9C700902799EAF44734E5@njb140po01.ems.att.com> <20000825062409.O1209@fw.wintelcom.net> <20000825175439.C30144@strontium.scientia.demon.co.uk>
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> 'Alfred Perlstein' wrote:
> 
>> int
>> sigchld_handler(int) 
>> {
>> 
>> 	while (waitpid(-1, NULL, 0) || errno == EINTR)
>> 		;
>> }

actually, shouldn't you use WNOHANG when calling waitpid() there?  What
I normally do is

	int e = errno;

	while (waitpid(-1, NULL, WNOHANG) > 0)
		;

	errno = e;

But I think I'm drifting from the original point.

-- 
Ben Smithurst / ben@FreeBSD.org / PGP: 0x99392F7D


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