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. -Peff