13 lines
737 B
ReStructuredText
13 lines
737 B
ReStructuredText
Fix graceful cancellation of daemon actors
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Previously, his was a bug where if the soft wait on a sub-process (the
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``await .proc.wait()``) in the reaper task teardown was cancelled we
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would fail over to the hard reaping sequence (meant for culling off any
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potential zombies via system kill signals). The hard reap has a timeout
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of 3s (currently though in theory we could make it shorter?) before
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system signalling kicks in. This means that any daemon actor still
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running during nursery exit would get hard reaped (3s later) instead of
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cancelled via IPC message. Now we catch the ``trio.Cancelled``, call
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``Portal.cancel_actor()`` on the daemon and expect the child to
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self-terminate after the runtime cancels and shuts down the process.
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