sync: fix mpsc bug related to closing the channel #3215
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When closing a channel, it is possible to get into an invalid state when outstanding permits release capacity back to the channel.
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LucioFranco
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hawkw
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| #[tokio::test] | ||
| async fn permit_available_not_acquired_close() { |
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nit: it might be nice to have a comment here explaining what this test reproduces?
carllerche
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Forward ports the test included in #3215. The mpsc sempahore has been replaced in 0.3 and does not include the bug being fixed.
carllerche
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Dec 7, 2020
Forward ports the test included in #3215. The mpsc sempahore has been replaced in 0.3 and does not include the bug being fixed.
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Fixes: https://github.com/lukesteensen/tokio-channel-repro