sync: try to lock the parent first in CancellationToken #5561
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Deadlock safety requires that the parent is locked before the child, but we can still use `try_lock` to attempt to lock the parent without releasing the child.
Darksonn
added
A-tokio-util
satakuma
approved these changes
Mar 20, 2023
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Deadlock safety requires that the parent is locked before the child, but we can still use
try_lockto attempt to lock the parent without releasing the child.