Task poll callbacks #7120
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Task poll callbacks #7120
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Iteration on #7107
Discussion was had on discord.
current_threadruntime (factored out callback logic toTaskHooks).multi_threadpoll_start_callbackcall to be directly beforetask.run().#[cfg(tokio_unstable)]to the rest of the implementation.task_id. Talked about potentially adding test for any edge cases regarding LIFO.Looking to bikeshed on naming.
Motivation
We would like to be able to store metadata before polls start and stop to allow us to instrument all polls, not just polls where you have spawned the task.
Solution
Add callbacks for poll start and stop