From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- third_party/rust/futures-sink/.cargo-checksum.json | 1 + third_party/rust/futures-sink/Cargo.toml | 33 +++ third_party/rust/futures-sink/LICENSE-APACHE | 202 +++++++++++++++++ third_party/rust/futures-sink/LICENSE-MIT | 26 +++ third_party/rust/futures-sink/README.md | 23 ++ third_party/rust/futures-sink/src/lib.rs | 240 +++++++++++++++++++++ 6 files changed, 525 insertions(+) create mode 100644 third_party/rust/futures-sink/.cargo-checksum.json create mode 100644 third_party/rust/futures-sink/Cargo.toml create mode 100644 third_party/rust/futures-sink/LICENSE-APACHE create mode 100644 third_party/rust/futures-sink/LICENSE-MIT create mode 100644 third_party/rust/futures-sink/README.md create mode 100644 third_party/rust/futures-sink/src/lib.rs (limited to 'third_party/rust/futures-sink') diff --git a/third_party/rust/futures-sink/.cargo-checksum.json b/third_party/rust/futures-sink/.cargo-checksum.json new file mode 100644 index 0000000000..c198b9d6ae --- /dev/null +++ b/third_party/rust/futures-sink/.cargo-checksum.json @@ -0,0 +1 @@ +{"files":{"Cargo.toml":"ff690e102c7c27725d5afc8e60b7afd9b743f2a51490f44d9b6fd429e84a5fdf","LICENSE-APACHE":"275c491d6d1160553c32fd6127061d7f9606c3ea25abfad6ca3f6ed088785427","LICENSE-MIT":"6652c868f35dfe5e8ef636810a4e576b9d663f3a17fb0f5613ad73583e1b88fd","README.md":"a509e1ce84f285190130def6d2b9e3861988f9be725f7697f09fba347601d86f","src/lib.rs":"90c41f91e4b6764a218d4f337a9a46fba1e256f59f67b0afa5352ba92bf641c0"},"package":"f310820bb3e8cfd46c80db4d7fb8353e15dfff853a127158425f31e0be6c8364"} \ No newline at end of file diff --git a/third_party/rust/futures-sink/Cargo.toml b/third_party/rust/futures-sink/Cargo.toml new file mode 100644 index 0000000000..0efe922904 --- /dev/null +++ b/third_party/rust/futures-sink/Cargo.toml @@ -0,0 +1,33 @@ +# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO +# +# When uploading crates to the registry Cargo will automatically +# "normalize" Cargo.toml files for maximal compatibility +# with all versions of Cargo and also rewrite `path` dependencies +# to registry (e.g., crates.io) dependencies. +# +# If you are reading this file be aware that the original Cargo.toml +# will likely look very different (and much more reasonable). +# See Cargo.toml.orig for the original contents. + +[package] +edition = "2018" +rust-version = "1.36" +name = "futures-sink" +version = "0.3.26" +description = """ +The asynchronous `Sink` trait for the futures-rs library. +""" +homepage = "https://rust-lang.github.io/futures-rs" +readme = "README.md" +license = "MIT OR Apache-2.0" +repository = "https://github.com/rust-lang/futures-rs" + +[package.metadata.docs.rs] +all-features = true + +[dependencies] + +[features] +alloc = [] +default = ["std"] +std = ["alloc"] diff --git a/third_party/rust/futures-sink/LICENSE-APACHE b/third_party/rust/futures-sink/LICENSE-APACHE new file mode 100644 index 0000000000..9eb0b097f5 --- /dev/null +++ b/third_party/rust/futures-sink/LICENSE-APACHE @@ -0,0 +1,202 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + +TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + +1. 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IN NO EVENT +SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR +IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER +DEALINGS IN THE SOFTWARE. diff --git a/third_party/rust/futures-sink/README.md b/third_party/rust/futures-sink/README.md new file mode 100644 index 0000000000..1d683e95b5 --- /dev/null +++ b/third_party/rust/futures-sink/README.md @@ -0,0 +1,23 @@ +# futures-sink + +The asynchronous `Sink` trait for the futures-rs library. + +## Usage + +Add this to your `Cargo.toml`: + +```toml +[dependencies] +futures-sink = "0.3" +``` + +The current `futures-sink` requires Rust 1.36 or later. + +## License + +Licensed under either of [Apache License, Version 2.0](LICENSE-APACHE) or +[MIT license](LICENSE-MIT) at your option. + +Unless you explicitly state otherwise, any contribution intentionally submitted +for inclusion in the work by you, as defined in the Apache-2.0 license, shall +be dual licensed as above, without any additional terms or conditions. diff --git a/third_party/rust/futures-sink/src/lib.rs b/third_party/rust/futures-sink/src/lib.rs new file mode 100644 index 0000000000..0328740efd --- /dev/null +++ b/third_party/rust/futures-sink/src/lib.rs @@ -0,0 +1,240 @@ +//! Asynchronous sinks +//! +//! This crate contains the `Sink` trait which allows values to be sent +//! asynchronously. + +#![cfg_attr(not(feature = "std"), no_std)] +#![warn(missing_debug_implementations, missing_docs, rust_2018_idioms, unreachable_pub)] +// It cannot be included in the published code because this lints have false positives in the minimum required version. +#![cfg_attr(test, warn(single_use_lifetimes))] +#![doc(test( + no_crate_inject, + attr( + deny(warnings, rust_2018_idioms, single_use_lifetimes), + allow(dead_code, unused_assignments, unused_variables) + ) +))] + +#[cfg(feature = "alloc")] +extern crate alloc; + +use core::ops::DerefMut; +use core::pin::Pin; +use core::task::{Context, Poll}; + +/// A `Sink` is a value into which other values can be sent, asynchronously. +/// +/// Basic examples of sinks include the sending side of: +/// +/// - Channels +/// - Sockets +/// - Pipes +/// +/// In addition to such "primitive" sinks, it's typical to layer additional +/// functionality, such as buffering, on top of an existing sink. +/// +/// Sending to a sink is "asynchronous" in the sense that the value may not be +/// sent in its entirety immediately. Instead, values are sent in a two-phase +/// way: first by initiating a send, and then by polling for completion. This +/// two-phase setup is analogous to buffered writing in synchronous code, where +/// writes often succeed immediately, but internally are buffered and are +/// *actually* written only upon flushing. +/// +/// In addition, the `Sink` may be *full*, in which case it is not even possible +/// to start the sending process. +/// +/// As with `Future` and `Stream`, the `Sink` trait is built from a few core +/// required methods, and a host of default methods for working in a +/// higher-level way. The `Sink::send_all` combinator is of particular +/// importance: you can use it to send an entire stream to a sink, which is +/// the simplest way to ultimately consume a stream. +#[must_use = "sinks do nothing unless polled"] +pub trait Sink { + /// The type of value produced by the sink when an error occurs. + type Error; + + /// Attempts to prepare the `Sink` to receive a value. + /// + /// This method must be called and return `Poll::Ready(Ok(()))` prior to + /// each call to `start_send`. + /// + /// This method returns `Poll::Ready` once the underlying sink is ready to + /// receive data. If this method returns `Poll::Pending`, the current task + /// is registered to be notified (via `cx.waker().wake_by_ref()`) when `poll_ready` + /// should be called again. + /// + /// In most cases, if the sink encounters an error, the sink will + /// permanently be unable to receive items. + fn poll_ready(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll>; + + /// Begin the process of sending a value to the sink. + /// Each call to this function must be preceded by a successful call to + /// `poll_ready` which returned `Poll::Ready(Ok(()))`. + /// + /// As the name suggests, this method only *begins* the process of sending + /// the item. If the sink employs buffering, the item isn't fully processed + /// until the buffer is fully flushed. Since sinks are designed to work with + /// asynchronous I/O, the process of actually writing out the data to an + /// underlying object takes place asynchronously. **You *must* use + /// `poll_flush` or `poll_close` in order to guarantee completion of a + /// send**. + /// + /// Implementations of `poll_ready` and `start_send` will usually involve + /// flushing behind the scenes in order to make room for new messages. + /// It is only necessary to call `poll_flush` if you need to guarantee that + /// *all* of the items placed into the `Sink` have been sent. + /// + /// In most cases, if the sink encounters an error, the sink will + /// permanently be unable to receive items. + fn start_send(self: Pin<&mut Self>, item: Item) -> Result<(), Self::Error>; + + /// Flush any remaining output from this sink. + /// + /// Returns `Poll::Ready(Ok(()))` when no buffered items remain. If this + /// value is returned then it is guaranteed that all previous values sent + /// via `start_send` have been flushed. + /// + /// Returns `Poll::Pending` if there is more work left to do, in which + /// case the current task is scheduled (via `cx.waker().wake_by_ref()`) to wake up when + /// `poll_flush` should be called again. + /// + /// In most cases, if the sink encounters an error, the sink will + /// permanently be unable to receive items. + fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll>; + + /// Flush any remaining output and close this sink, if necessary. + /// + /// Returns `Poll::Ready(Ok(()))` when no buffered items remain and the sink + /// has been successfully closed. + /// + /// Returns `Poll::Pending` if there is more work left to do, in which + /// case the current task is scheduled (via `cx.waker().wake_by_ref()`) to wake up when + /// `poll_close` should be called again. + /// + /// If this function encounters an error, the sink should be considered to + /// have failed permanently, and no more `Sink` methods should be called. + fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll>; +} + +impl + Unpin, Item> Sink for &mut S { + type Error = S::Error; + + fn poll_ready(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { + Pin::new(&mut **self).poll_ready(cx) + } + + fn start_send(mut self: Pin<&mut Self>, item: Item) -> Result<(), Self::Error> { + Pin::new(&mut **self).start_send(item) + } + + fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { + Pin::new(&mut **self).poll_flush(cx) + } + + fn poll_close(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { + Pin::new(&mut **self).poll_close(cx) + } +} + +impl Sink for Pin

+where + P: DerefMut + Unpin, + P::Target: Sink, +{ + type Error = >::Error; + + fn poll_ready(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { + self.get_mut().as_mut().poll_ready(cx) + } + + fn start_send(self: Pin<&mut Self>, item: Item) -> Result<(), Self::Error> { + self.get_mut().as_mut().start_send(item) + } + + fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { + self.get_mut().as_mut().poll_flush(cx) + } + + fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { + self.get_mut().as_mut().poll_close(cx) + } +} + +#[cfg(feature = "alloc")] +mod if_alloc { + use super::*; + use core::convert::Infallible as Never; + + impl Sink for alloc::vec::Vec { + type Error = Never; + + fn poll_ready(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll> { + Poll::Ready(Ok(())) + } + + fn start_send(self: Pin<&mut Self>, item: T) -> Result<(), Self::Error> { + // TODO: impl Unpin for Vec {} + unsafe { self.get_unchecked_mut() }.push(item); + Ok(()) + } + + fn poll_flush(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll> { + Poll::Ready(Ok(())) + } + + fn poll_close(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll> { + Poll::Ready(Ok(())) + } + } + + impl Sink for alloc::collections::VecDeque { + type Error = Never; + + fn poll_ready(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll> { + Poll::Ready(Ok(())) + } + + fn start_send(self: Pin<&mut Self>, item: T) -> Result<(), Self::Error> { + // TODO: impl Unpin for Vec {} + unsafe { self.get_unchecked_mut() }.push_back(item); + Ok(()) + } + + fn poll_flush(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll> { + Poll::Ready(Ok(())) + } + + fn poll_close(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll> { + Poll::Ready(Ok(())) + } + } + + impl + Unpin, Item> Sink for alloc::boxed::Box { + type Error = S::Error; + + fn poll_ready( + mut self: Pin<&mut Self>, + cx: &mut Context<'_>, + ) -> Poll> { + Pin::new(&mut **self).poll_ready(cx) + } + + fn start_send(mut self: Pin<&mut Self>, item: Item) -> Result<(), Self::Error> { + Pin::new(&mut **self).start_send(item) + } + + fn poll_flush( + mut self: Pin<&mut Self>, + cx: &mut Context<'_>, + ) -> Poll> { + Pin::new(&mut **self).poll_flush(cx) + } + + fn poll_close( + mut self: Pin<&mut Self>, + cx: &mut Context<'_>, + ) -> Poll> { + Pin::new(&mut **self).poll_close(cx) + } + } +} -- cgit v1.2.3