util: add pollable Semaphore #3444
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Darksonn
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A-tokio-util
aknuds1
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Jan 20, 2021
This was referenced Jan 21, 2021
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The
Semaphoretype has nopoll_acquiremethod as it uses an intrusive linked list, but the recommendation I want to make when people ask for apoll_sendonmpscis to combine the unbounded channel with a semaphore. However this requires a pollable semaphore.