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Date: Mon, 29 Jul 2019 09:56:56 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: vfork() question
Message-ID: <20190729075656.GJ11632@calimero.vinschen.de>
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On Jul 27 12:02, Bence Sz=C3=A9pk=C3=BAti wrote:
> Hello,
>=20
> I was poking around in the fork() code in Cygwin, and was wondering if
> someone could explain to me / point me to a discussion of why the NEWVFORK
> code was abandoned.
>=20
> I realise that this code had been disabled as "not working" since 2008,
> however I am interested in why this was the case. Was the concept behind
> "short-circuiting" vfork itself unfeasible in the context of Cygwin? Was a
> compatible implementation too complex / too slow to be worth it compared =
to
> a regular fork?

This was long ago and the original developer hacking this code isn't
with us anymore.  The only vague recollection I have is that it never
really worked right, but no details.  Maybe searching the mailing list
archives helps unearthing some of the problems.


Sorry,
Corinna

--=20
Corinna Vinschen
Cygwin Maintainer

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