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sync: add watch::Sender::sender_count
#6836
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This makes it possible to check if other senders exist. For example If you are using a Sender as a subscriber to get a Receiver and might want to know if the real sender is still running.
rcoh
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Oct 10, 2024
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Seems good. Other channel libraries have a matching API.
Darksonn
approved these changes
Oct 11, 2024
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Seems okay.
Thanks. |
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Oct 23, 2024
Bumps tokio from 1.40.0 to 1.41.0. Release notes Sourced from tokio's releases. Tokio v1.41.0 1.41.0 (Oct 22th, 2024) Added metrics: stabilize global_queue_depth (#6854, #6918) net: add conversions for unix SocketAddr (#6868) sync: add watch::Sender::sender_count (#6836) sync: add mpsc::Receiver::blocking_recv_many (#6867) task: stabilize Id apis (#6793, #6891) Added (unstable) metrics: add H2 Histogram option to improve histogram granularity (#6897) metrics: rename some histogram apis (#6924) runtime: add LocalRuntime (#6808) Changed runtime: box futures larger than 16k on release mode (#6826) sync: add #[must_use] to Notified (#6828) sync: make watch cooperative (#6846) sync: make broadcast::Receiver cooperative (#6870) task: add task size to tracing instrumentation (#6881) wasm: enable cfg_fs for wasi target (#6822) Fixed net: fix regression of abstract socket path in unix socket (#6838) Documented io: recommend OwnedFd with AsyncFd (#6821) io: document cancel safety of AsyncFd methods (#6890) macros: render more comprehensible documentation for join and try_join (#6814, #6841) net: fix swapped examples for TcpSocket::set_nodelay and TcpSocket::nodelay (#6840) sync: document runtime compatibility (#6833) #6793: tokio-rs/tokio#6793 #6808: tokio-rs/tokio#6808 #6810: tokio-rs/tokio#6810 #6814: tokio-rs/tokio#6814 #6821: tokio-rs/tokio#6821 #6822: tokio-rs/tokio#6822 #6826: tokio-rs/tokio#6826 #6828: tokio-rs/tokio#6828 #6833: tokio-rs/tokio#6833 #6836: tokio-rs/tokio#6836 #6838: tokio-rs/tokio#6838 #6840: tokio-rs/tokio#6840 ... (truncated) Commits 01e04da chore: prepare Tokio v1.41.0 (#6917) 92ccade runtime: fix stability feature flags for docs (#6909) fbfeb9a metrics: rename *_poll_count_* to *_poll_time_* (#6924) da745ff metrics: add H2 Histogram option to improve histogram granularity (#6897) ce1c74f metrics: fix deadlock in injection_queue_depth_multi_thread test (#6916) 28c9a14 metrics: rename injection_queue_depth to global_queue_depth (#6918) 32e0b43 ci: freeze FreeBSD and wasm-unknown-unknown on rustc 1.81 (#6911) 1656d8e sync: add mpsc::Receiver::blocking_recv_many (#6867) c9e998e ci: print the correct sort order of the dictionary on failure (#6905) 512e9de rt: add LocalRuntime (#6808) Additional commits viewable in compare view Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase. Dependabot commands and options You can trigger Dependabot actions by commenting on this PR: @dependabot rebase will rebase this PR @dependabot recreate will recreate this PR, overwriting any edits that have been made to it @dependabot merge will merge this PR after your CI passes on it @dependabot squash and merge will squash and merge this PR after your CI passes on it @dependabot cancel merge will cancel a previously requested merge and block automerging @dependabot reopen will reopen this PR if it is closed @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually @dependabot show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself) @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself) @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)
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Labels
A-tokio
Area: The main tokio crate
M-sync
Module: tokio/sync
R-loom-sync
Run loom sync tests on this PR
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This makes it possible to check if other senders exist. For example If you are using a Sender as a subscriber to get a Receiver and might want to know if the real sender is still running.