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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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--CNfT9TXqV7nd4cfk Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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 --CNfT9TXqV7nd4cfk Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEoVYPmneWZnwT6kwF9TYGna5ET6AFAl0+psgACgkQ9TYGna5E T6C+RA/+OELGgu79zwTt/oC5ziluMJ4oNNDaLqIAxBzZkxf+EBLjR5Bx2re5xh7o wzIrTDDJNotZYxg33DhlT6K3OaKwNuWFSRXt/E+HHpCDt3jMfJX2Pmt1tm789+fg xwHE78Zgya547Zb8K3U5h9041xAsazAsnkLIRsqIZJYI6eEvNxlMHSstTSLXXBfW iQ5wl+6Q0kaODa+7HSwHQVb8sOzHIM3fH99okbfgMd6yT53WTDLzqYzRy9mjZhjz bFPkLHzCTlrJvuFa8OM8mQi2Uk9niKWoS6HwaVipyAZZhRzkT+laFPKtr/PZkOr9 wdy/rKFHxUbrXTFJKzMI0pd6P5UUfPiLcIyVVR3vpDQoVmZCLVTZyHOQrzH7BErv DCPKwlZfBOsp+hR2FFSZHtuyjXQu/oSDWm7lPpHdTb9bi1dT8KoVhY/CZGTA0d9a 4EMgKCm4/c9XLxwWohyy5hlmXcXBCVUOCYAXx9/YYe8/EtQogFt40kguJJ/7w1Um UWwfKfPOLCfnz1CG9AklrDmGe/tKSqmfTfPUVWQmFJB4mux1b8F/AGnz8zdrc3Gl DA7feYmD4TB8Ij4jJNUDL8/M3PGwpmf4Dni1p61hKpzF6XVCX6zbyBmDchDHHlTd gb4GZKnfi4Ll4450GTNKCh0vUT1NCQeST5xj7I5Rl3hRYgDKBnE= =aq50 -----END PGP SIGNATURE----- --CNfT9TXqV7nd4cfk--
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