Fix TimerAwaitable rooting #20937
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Fix TimerAwaitable rooting #20937
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- This fixes an issue where components that use timer awaitable currently need to be explicitly stopped and disposed for it to be unrooted. This makes it possible to write a finalizer.
davidfowl
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analogrelay,
BrennanConroy and
halter73
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ghost
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analogrelay
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Apr 17, 2020
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| GC.Collect(); | ||
| GC.WaitForPendingFinalizers(); |
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| GC.Collect(); | |
| GC.WaitForPendingFinalizers(); | |
| GC.Collect(); | |
| GC.WaitForPendingFinalizers(); | |
| if (tcs.Task.IsCompleted) | |
| { | |
| return; | |
| } |
That way we can exit early if the task finishes early.
BrennanConroy
approved these changes
Apr 17, 2020
src/SignalR/clients/csharp/Client/test/UnitTests/TimerAwaitableTests.cs
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This pattern exists in a couple more places in the BCL:
It usually affects client APIs where disposal of resources happen if something is unreferenced.