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From: "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com>
Newsgroups: comp.lang.c
Subject: Re: Python recompile
Date: Sun, 9 Mar 2025 16:50:22 -0700
Organization: A noiseless patient Spider
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On 3/8/2025 6:30 PM, Lawrence D'Oliveiro wrote:
> On Sun, 9 Mar 2025 01:26:26 +0200, Michael S wrote:
> 
>> cygwin is very slow.
> 
> I’m sure it is. ;)
> 
>> For me the speed and UI convinience are far more important than better
>> emulation of obscure POSIX features which is probably important only for
>> programs that I would not want to run regardless.
> 
> Unfortunately select/poll are a key part of efficient event-driven
> programming. In the 1990s (the heyday of Windows NT) they tried to handle
> all of this with threads, only to discover that, unless you were doing
> something heavily CPU-bound, the programming complexity just wasn’t worth
> it.

IOCP on WinNT 4.0. Well, I used to use it a lot. Worked well. Way back 
in early 2000's.

https://learn.microsoft.com/en-us/windows/win32/fileio/i-o-completion-ports