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From: prj@po.cwru.edu (Paul Jarc)
Subject: Re: Support for (system '("echo" "foo" "bar"))
Date: Fri, 31 Oct 2003 18:34:34 -0500	[thread overview]
Message-ID: <m3llr1m15r.fsf@multivac.cwru.edu> (raw)
In-Reply-To: <873cd99ei5.fsf@zip.com.au>

Kevin Ryde <user42@zip.com.au> wrote:
> prj@po.cwru.edu (Paul Jarc) writes:
>> True, but is it worth the effort?  What's the benefit supposed to be?
>
> Only what you said about gc'ed port closing doing something the child
> has no business touching.

I claim that my Scheme version, which uses flush-all-ports before the
fork, and (raise SIGKILL) to terminate the child, does not suffer from
any problems of that sort.  Can you find any problems that it is
vulnerable to?  If not, what problem are we trying to solve by
rewriting it in C?


paul


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  reply	other threads:[~2003-10-31 23:34 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-10-28 21:15 Support for (system '("echo" "foo" "bar")) Rob Browning
2003-10-28 22:13 ` Paul Jarc
2003-10-29  7:58 ` tomas
2003-10-29 13:58 ` Greg Troxel
2003-10-29 14:04   ` Rob Browning
2003-10-29 16:15     ` Marius Vollmer
2003-10-29 18:13       ` Rob Browning
2003-10-29 22:32         ` Paul Jarc
2003-10-30  1:41         ` Alex Shinn
2003-10-30 10:31           ` tomas
2003-10-30 20:09   ` Kevin Ryde
2003-10-31  5:51     ` Rob Browning
2003-10-31 17:05       ` Paul Jarc
2003-10-31 17:47         ` Rob Browning
2003-10-31 17:59           ` Paul Jarc
2003-10-31 20:15             ` Kevin Ryde
2003-10-31 20:31               ` Paul Jarc
2003-10-31 21:00                 ` Kevin Ryde
2003-10-31 21:18                   ` Paul Jarc
2003-10-31 21:48                     ` Kevin Ryde
2003-10-31 22:10                       ` Paul Jarc
2003-10-31 22:26                         ` Paul Jarc
2003-10-31 22:42                           ` Kevin Ryde
2003-10-31 22:50                         ` Kevin Ryde
2003-10-31 22:59                           ` Paul Jarc
2003-10-31 23:25                             ` Kevin Ryde
2003-10-31 23:34                               ` Paul Jarc [this message]
2003-11-02 21:13                                 ` Kevin Ryde
2003-11-10 19:25                                   ` Paul Jarc
2003-12-16 23:45                                     ` Paul Jarc
2003-10-31 22:49               ` Jonathan Bartlett
2003-10-31 20:19       ` Kevin Ryde
2003-10-31 20:37         ` Paul Jarc
2003-10-31 21:02           ` Rob Browning

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