Fix deadlock when only calling Executor::tick
to drive it
#102
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Pre-1.9.0, you could spawn tasks on one thread, and then manually tick on another without issue since all tasks were queued into the global injector queue. Now that spawn prioritizes local queues over the global injector queue, this no longer works properly. To fix this, this PR changes
Ticker::runnable
to steal one task from the other thread-local queues.Ticker::drop
was also not taking and dropping theWaker
from the thread local queue.