Tokio wrapper needs its scheduling points moved

[sarsko]

The Tokio wrapper is not updated to have scheduling points preceding calls to sync primitives. This needs to be updated.

[sarsko]

As part of this task, the other wrappers should be gone through as well

[vineetpuranik]

Hello @sarsko,
I have opened a PR for this issue. Can you take a look at it.
https://github.com/awslabs/shuttle/pull/287/changes

[sarsko]

Thanks Vineet, I put in a review now :)

[vineetpuranik]

@sarsko Can we close this issue

[sarsko]

There are still scheduling points which needs moving, for instance mpsc send (https://github.com/awslabs/shuttle/blob/main/wrappers/tokio/impls/tokio/inner/src/sync/mpsc.rs#L333-L334) and try_send (https://github.com/awslabs/shuttle/blob/main/wrappers/tokio/impls/tokio/inner/src/sync/mpsc.rs#L350-L351) are in the wrong order.

I haven't looked through and identified whether there are more.

[vineetpuranik]

Ok @sarsko I will go over these as well