From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: vfork() question
Date: Mon, 29 Jul 2019 07:57:00 -0000 [thread overview]
Message-ID: <20190729075656.GJ11632@calimero.vinschen.de> (raw)
In-Reply-To: <CAMkWRsnq5etg984NswsqVXi5T3earBPtgU-gO4zKwknn_HfrTQ@mail.gmail.com>
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On Jul 27 12:02, Bence Szépkúti wrote:
> Hello,
>
> 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.
>
> 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
--
Corinna Vinschen
Cygwin Maintainer
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prev parent reply other threads:[~2019-07-29 7:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-27 10:02 Bence Szépkúti
2019-07-27 10:50 ` Andrey Repin
2019-07-29 7:57 ` Corinna Vinschen [this message]
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