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block_in_place doesn't panic on a spawn_local task #7368

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dspyz-matician opened this issue May 27, 2025 · 0 comments · May be fixed by #7372
Open

block_in_place doesn't panic on a spawn_local task #7368

dspyz-matician opened this issue May 27, 2025 · 0 comments · May be fixed by #7372
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A-tokio Area: The main tokio crate C-bug Category: This is a bug. M-blocking Module: tokio/task/blocking M-runtime Module: tokio/runtime

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@dspyz-matician
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Description

See discussion #7365

@Darksonn response indicates block_in_place on spawn_local is intended to be unsupported, and I've found (but have not been able to create MWE) that in some cases worker threads vanish permanently when engaging in this behavior. But currently it doesn't panic and the fact that it's unsupported isn't explicitly documented
@dspyz-matician dspyz-matician added C-bug Category: This is a bug. A-tokio Area: The main tokio crate labels May 27, 2025
@Darksonn Darksonn added the M-runtime Module: tokio/runtime label May 28, 2025
@Darksonn Darksonn linked a pull request May 28, 2025 that will close this issue
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@Darksonn Darksonn added the M-blocking Module: tokio/task/blocking label May 28, 2025
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A-tokio Area: The main tokio crate C-bug Category: This is a bug. M-blocking Module: tokio/task/blocking M-runtime Module: tokio/runtime
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task: disallow blocking in LocalSet::{poll,drop} Darksonn/tokio
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@Darksonn @dspyz-matician