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Re: Support for (system '("echo" "foo" "bar"))

From: Paul Jarc
Subject: Re: Support for (system '("echo" "foo" "bar"))
Date: Fri, 31 Oct 2003 15:31:34 -0500
User-agent: Gnus/5.1003 (Gnus v5.10.3) Emacs/21.3 (gnu/linux)

Kevin Ryde <address@hidden> wrote:
> address@hidden (Paul Jarc) writes:
>> Oops, right.  Kevin also mentioned using _exit.  I'm not sure why that
>> would be important,
> When exiting due to an exec failure, you generally don't want to run
> atexit handlers or flush stdio buffers.  Those things of course are
> not done if the exec succeeds.

Ok.  My procedure uses flush-all-ports before the fork, but atexit
could still be an issue.  In this particular case, though, we don't
need _exit; we can just do (raise SIGKILL).  The parent ignores the
exit status if an exception was passed back.


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