vfork() question

[Bence Szépkúti <szepkuti dot bence at gmail dot com>]

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?

Any insight is appreciated.

Thanks,
Bence

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