fix explanation of 'zero bytes read' case #6790
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Aug 30, 2024
Bumps tokio from 1.39.3 to 1.40.0.
Release notes
Sourced from tokio's releases.
Tokio v1.40.0
1.40.0 (August 30th, 2024)
Added
io: add util::SimplexStream (#6589)
process: stabilize Command::process_group (#6731)
sync: add {TrySendError,SendTimeoutError}::into_inner (#6755)
task: add JoinSet::join_all (#6784)
Added (unstable)
runtime: add Builder::{on_task_spawn, on_task_terminate} (#6742)
Changed
io: use vectored io for write_all_buf when possible (#6724)
runtime: prevent niche-optimization to avoid triggering miri (#6744)
sync: mark mpsc types as UnwindSafe (#6783)
sync,time: make Sleep and BatchSemaphore instrumentation explicit roots (#6727)
task: use NonZeroU64 for task::Id (#6733)
task: include panic message when printing JoinError (#6753)
task: add #[must_use] to JoinHandle::abort_handle (#6762)
time: eliminate timer wheel allocations (#6779)
Documented
docs: clarify that [build] section doesn't go in Cargo.toml (#6728)
io: clarify zero remaining capacity case (#6790)
macros: improve documentation for select! (#6774)
sync: document mpsc channel allocation behavior (#6773)
#6589: tokio-rs/tokio#6589
#6724: tokio-rs/tokio#6724
#6727: tokio-rs/tokio#6727
#6728: tokio-rs/tokio#6728
#6731: tokio-rs/tokio#6731
#6733: tokio-rs/tokio#6733
#6742: tokio-rs/tokio#6742
#6744: tokio-rs/tokio#6744
#6753: tokio-rs/tokio#6753
#6755: tokio-rs/tokio#6755
#6762: tokio-rs/tokio#6762
#6773: tokio-rs/tokio#6773
#6774: tokio-rs/tokio#6774
#6779: tokio-rs/tokio#6779
#6783: tokio-rs/tokio#6783
#6784: tokio-rs/tokio#6784
#6790: tokio-rs/tokio#6790
Commits
ea6d652 chore: prepare Tokio v1.40.0 (#6806)
11f66f4 chore: replace ready! with std::task::ready! (#6804)
479a56a time: eliminate timer wheel allocations (#6779)
b37f0de runtime: implement initial set of task hooks (#6742)
c9fad08 codec: fix typo in the docs for Encoder::Error (#6800)
cc70a21 task: add join_all method to JoinSet (#6784)
1ac8dff task: add AbortOnDropHandle type (#6786)
ff3f2a8 io: add SimplexStream (#6589)
5b9a290 io: clarify zero remaining capacity case (#6790)
70569bd task: fix typo in TaskTracker docs (#6792)
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As per this discussion:
https://users.rust-lang.org/t/will-tokio-ever-pass-a-readbuf-with-no-capacity-to-poll-read/116124/2
there are two possible reasons why zero bytes were added to the
ReadBuf, but the docs only discuss one reason.