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From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.unix.programmer
Subject: Re: OT: Windows (Was: Re: Open Source does not mean easily
Date: Tue, 7 Jan 2025 02:14:11 -0000 (UTC)
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On 07 Jan 2025 00:49:32 GMT, Nicolas George wrote:

> The communication mechanisms between POSIX
> threads and Unix I/O are completely alien to each-other: it is not
> possible to poll() on a thread condition, nor is it it possible to set
> up a condition to be woken by data on a file descriptor.

Linux offers signalfd, so you can indeed use poll(2) in a thread to be 
woken up by any file descriptor, including a signal one (and that includes 
POSIX real-time signals).