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Implement stack unwinding for cancelled tasks #769

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Implement stack unwinding for cancelled tasks #769

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@tsoutsman tsoutsman commented Dec 25, 2022 •
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Depends on #766.

Closes #770.

Signed-off-by: Klim Tsoutsman [email protected]

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Add task cancellation test
8bd4630 
It doesn't currently pass, but should in the near future.

Signed-off-by: Klim Tsoutsman <[email protected]>
@tsoutsman
Modify test_task_cancel to generate LSDA for guard_holder
a6e4596 
Signed-off-by: Klim Tsoutsman <[email protected]>
@tsoutsman tsoutsman marked this pull request as draft December 25, 2022 12:54
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I've manually tested all three scenarios in test_task_cancel by rerunning test_task_cancel and checking log outputs.

Not sure about the naming of start_remote_unwinding.

@tsoutsman tsoutsman marked this pull request as ready for review December 26, 2022 04:20
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Also, as discussed before, this won't be able to unwind all tasks. Should cancel_task spawn another task that, after some timeout period (e.g. 5 seconds), checks if the original task has been unwound and, if not, aborts it?

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@kevinaboos kevinaboos Awaiting requested review from kevinaboos

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Unwind cancelled tasks
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