Comments (2)
Thanks for the report. This is interesting. I think before making a decision on what to do with this, we need more data. How much does this impact Tokio in practice?
Assuming the issue does impact Tokio, we have a few options. Technically, we don't have to actually use the parking lot mutexes when the feature is enabled. It looks like the issue only impacts some platforms. One option would be to conditionally compile using the "best" mutex based on the platform. If some end users want strict control over which mutex implementation Tokio uses, we could provide cfg
flags for the end application to use. E.g. --cfg tokio_force_parking_lot_mutex
(or something).
This is just off the top of my head. I'm eager to learn what others think as well.
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Yes, my current approach is to disable the default features and add the necessary features myself
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Related Issues (20)
- Add a `CancellationToken` method for running a future until completion or cancellation HOT 1
- CI failure on windows HOT 3
- Vectored IO for `write_all_buf` HOT 1
- Doc bug in `Command::stdin`? HOT 1
- Include relevant values in ReadBuf.put_slice() panic message HOT 1
- File IO hangs after timeout / cancellation HOT 2
- Use `[lints.rust.unexpected_cfgs.check-cfg]` instead of hacky check-cfg workaround HOT 2
- Helper struct/wrapper for a stream of named pipe connections HOT 7
- tokio::sync::mpsc::bounded::Receiver<T>::is_empty() returns false when recv().await blocks HOT 3
- Feature tokio::sync::mpsc::Receiver::wait_close(&self) HOT 11
- Panic at linked_list.rs - reborn HOT 5
- Every 32 messages `is_empty()` on `Receiver` and `UnboundedReceiver` returns `false` even though len == 0 HOT 1
- LengthDelimitedCodec misses that last N bytes of the frame with num_skip(0) HOT 1
- Segment fault at `poll_future` HOT 8
- app stuck dropping tokio::runtime::runtime::Runtime HOT 1
- regression: tokio::test in 1.38 eats my tests HOT 2
- Sending data frame followed by trailer frame discards the data frame HOT 3
- Really bad tcp performance on windows. HOT 5
- Alternative to AsyncDrop HOT 3
- `arcmutex!` convenience macro HOT 1
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