Re: splice(-> FIFO) never wakes up inotify IN_MODIFY?

[Ahelenia Ziemiańska]

On Mon, Jun 26, 2023 at 05:53:46PM +0300, Amir Goldstein wrote:
> > So is it really true that the only way to poll a pipe is a
> > sleep()/read(O_NONBLOCK) loop?
> I don't think so, but inotify is not the way.
So what is? What do the kernel developers recommend as a way to see if a
file is written to, and that file happens to be a pipe?

FTR, I've opened the symmetric Debian#1039488:
  https://bugs.debian.org/1039488
against coreutils, since, if this is expected, and writing to a pipe
should not generate write events on that pipe, then tail -f is currently
broken on most systems.

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