Re: wait_reading_process_ouput hangs in certain cases (w/ patches)

[Dmitry Gutov]

On 3/13/18 5:46 PM, Robert Pluim wrote:

> It got caught before it got committed, so not that bad.

I mean the general possibility of having somebody who comes later 
reverse the fix.

For some code the odds of this happening are fairly small (via 
architectural decisions, or segregating a fix into a separate unit of 
code, or maybe just commenting profusely). Not so in this case, apparently.

> > Fiddly, hard-to-reproduce misbehavior is the ideal target for
> > regression tests, IMO.
>
> My current test-case for 21337 is 'visit a bunch of files, make sure
> global-auto-revert is turned on and auto-revert-use-notify is t, run
> Gnus (or anything else that makes TLS connections), wait for errors to
> be signalled by inotify'. I don't know how to write a regression test
> for that.

Maybe there's a way to simulate the critical conditions more directly?