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Fix usage of ExecutionContext in netstandard2.0#2951
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…text.Run API. This is required to make the API work correctly when running against .NET Framework.
…perations BlockingCollection after _schedulerDisposalSource.Cancel() is called. Also dispose _schedulerDisposalSource.
colombod
approved these changes
Apr 28, 2023
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Always pass a copy of the captured
ExecutionContextto theExecutionContext.RunAPI. Without this, executing this code atopnet472results in the error mentioned in Trying to host ProxyKernel within a .NET Framework assembly results in an InvalidOperationException #2775. It seems like the .NET Framework version of this API requires that the sameExecutionContextinstance should not be passed toExecutionContext.Runmore than once. See this note in the documentation under theThe following is applicable to .NET Framework onlysection.Also fixes a
NullReferenceExceptionthat is encountered during theKernelScheduler's disposal if cancellation is triggered after the blocking collection is disposed. This exception is not encountered if we switch the order of execution to trigger cancellation before the blocking collection is disposed.