Windows XP Support

[Warren Young]

On Jan 11, 2016, at 4:52 AM, Corinna Vinschen <corinna-cygwin@cygwin.com> wrote:
> 
> Continuing support for XP and Server 2003 is really becoming a
> burden.  It requires to code and maintain workarounds which are not
> required anymore in newer OSes, so I really would like to get rid of
> that stuff.

I seem to recall you saying that Vista added a fork-like facility to the kernel which might let Cygwin implement a copy-on-write fork(2).  Would dropping XP support allow that?

If so, that would probably speed Cygwin up quite a bit in many common use cases: running autoconf configure scripts, Makefiles, etc.
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