SignalHandlerRegistration/WrappedDisposable: avoid Dispose deadlock. - #280
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Emitting signals takes the connection lock and then the WrappedDisposable lock. On dispose, we'd take the locks in the opposite order: WrappedDisposable lock and then connection lock through the SignalHandlerRegistration.Dispose. This changes WrappedDisposable so it no longer holds its lock while calling SignalHandlerRegistration.Dispose.
This was referenced Apr 8, 2026
This was referenced May 11, 2026
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Emitting signals takes the connection lock and then the WrappedDisposable lock.
On dispose, we'd take the locks in the opposite order: WrappedDisposable lock and then connection lock through the SignalHandlerRegistration.Dispose.
This changes WrappedDisposable so it no longer holds its lock while calling SignalHandlerRegistration.Dispose.
Fixes #279.