bug#26973: 26.0.50; sleep-for behavior changes with global-auto-revert-mode enabled

[Eli Zaretskii]

> From: Dmitry Gutov <dgutov@yandex.ru>
> Date: Thu, 18 May 2017 02:57:17 +0300
> 
> 1. Copy stp-test.el and test.sh to the same directory.
> 2. Evaluate the .el file.
> 3. M-x global-auto-revert-mode.
> 4. M-x start-file-process-test.
> 5. See the message log. "sleeping done!" comes before "process done!".
> 
> Without step 3, "process done!" comes before "sleeping done!".
> 
> So it looks like, effectively, global-auto-revert-mode stops sleep-for
> from calling process sentinels, at least.
> 
> I don't remember seeing anything like this in Emacs 25.

Does anything change if you set auto-revert-use-notify to a nil value?