Jeff King <> writes:

> On Mon, Sep 05, 2016 at 09:03:48PM +0200, Johannes Sixt wrote:
>> The process spawned in the hook uses the test's trash directory as CWD.
>> As long as it is alive, the directory cannot be removed on Windows.
>> Although the test succeeds, the 'test_done' that follows produces an
>> error message and leaves the trash directory around. Insert a delay to
>> give the hook time to go away.
> Ugh. I'd love it if we could avoid inserting a sleep, which wastes time
> in the optimistic case and is insufficient in the pessimistic one.
> The fact that the hook is already using sleep is even nastier, as it
> that's a potential race on a loaded system.
> Can we do some signaling with fifos to tell the hook when it is safe to
> exit? Then we would just need to `wait` for its parent process.

Is fifo safe on Windows, though?

With v2 that explicitly kills, I guess we can make the sleep longer
without slowing down in the optimistic case?

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