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r=ChrisDenton,tgross35
Implement send_signal for unix child processes
Tracking issue: rust-lang/rust#141975
There are two main differences between my implementation and the Public API section of the tracking issue. ~First, `send_signal` requires a mutable reference, like `Child::kill`.~ Second, `ChildExt` has `Sealed` as a supertrait, bringing it more in line with other extension traits like `CommandExt`.
try-job: `dist-various*`
try-job: `test-various*`
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This allows UTF-8 characters to be printed without escapes, rather than
just ASCII.
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Stabilize `tcp_quickack`
to stabilise the quickack part for now, tcp_deferaccept had been added at a later stage.
The related API calls are the following
```rust
// std::os::linux::net
// sealed trait, implemented for std::net::TcpStream
pub trait TcpStreamExt: Sealed{
fn quickack(&self) -> io::Result<bool>;
fn set_quickack(&self, quickack: bool) -> io::Result<()>;
}
```
Closes: https://github.com/rust-lang/rust/issues/96256
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MCP: https://github.com/rust-lang/compiler-team/issues/865
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Update std doctests for android
This updates some doctests that fail to run on android. We will soon be supporting cross-compiled doctests, and the `arm-android` job fails to run these tests.
In summary:
- Android re-exports some traits from linux under a different path.
- Android doesn't seem to have common unix utilities like `true`, `false`, or `whoami`, so these are disabled.
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Link `Command::current_dir`.
Co-authored-by: Amanieu d'Antras <amanieu@gmail.com>
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process
This adds a `chroot` method to the `CommandExt` extension trait for the
`Command` builder, to set a directory to chroot into. This will chroot
the child process into that directory right before calling chdir for the
`Command`'s working directory.
To avoid allowing a process to have a working directory outside of the
chroot, if the `Command` does not yet have a working directory set,
`chroot` will set its working directory to "/".
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r=joboet
Implement methods to set STARTUPINFO flags for Command API on Windows
Implements https://github.com/rust-lang/rust/issues/141010
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fix doc for UnixStream
Doc example was using `UdpSocket` instead of `UnixStream`.
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This updates some doctests that fail to run on android. We will soon be
supporting cross-compiled doctests, and the `arm-android` job fails to
run these tests.
In summary:
- Android re-exports some traits from linux under a different path.
- Android doesn't seem to have common unix utilities like `true`,
`false`, or `whoami`, so these are disabled.
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in core/alloc/std only for now, and ignoring test files
Co-authored-by: Pavel Grigorenko <GrigorenkoPV@ya.ru>
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Tracking issue #139324
Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>
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PRs #136842 (Add libstd support for Trusty targets), #137793 (Stablize
anonymous pipe), and #136929 (std: move process implementations to
`sys`) merged around the same time, so update Trusty to take them into
account.
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Stablize anonymous pipe
Since #135822 is staled, I create this PR to stablise anonymous pipe
Closes #127154
try-job: test-various
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Add std support to cygwin target
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Overhaul examples for PermissionsExt
This fixes #91707 by including one overarching example, instead of the small examples that can be misleading.
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Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>
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Update the standard library to Rust 2024
This updates the standard library to Rust 2024. This includes the following notable changes:
- Macros are updated to use new expression fragment specifiers. This PR includes a test to illustrate the changes, primarily allowing `const {...}` expressions now.
- Some tests show a change in MIR drop order. We do not believe this will be an observable change ([see zulip discussion](https://rust-lang.zulipchat.com/#narrow/channel/268952-edition/topic/standard.20library.20migration/near/500972873)).
Fixes https://github.com/rust-lang/rust/issues/133081
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Signed-off-by: Ookiineko <chiisaineko@protonmail.com>
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Use `std::mem::{size_of, size_of_val, align_of, align_of_val}` from the
prelude instead of importing or qualifying them.
These functions were added to all preludes in Rust 1.80.
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Error messages are supposed to start with lowercase letters, but a lot
of `io::const_error` messages did not. This fixes them to start with a
lowercase letter.
I did consider adding a const check for this to the macro, but some of
them start with proper nouns that make sense to uppercase them.
See https://doc.rust-lang.org/1.85.0/std/error/trait.Error.html
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Following #137165 (Use `tell` for `<File as Seek>::stream_position`),
`tell` is now directly exposed via `stream_position`, making
`<File as FileExt>::tell` redundant. Remove it.
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conversion functions
Having these implementation available crate-wide means that platforms not using sockets for their networking code have to stub out the libc definitions required to support them. This PR moves the conversions to private helper functions that are only available where actually needed.
I also fixed the signature of the function converting from a C socket address to a Rust one: taking a reference to a `sockaddr_storage` resulted in unsound usage inside `LookupHost::next`, which could create a reference to a structure smaller than `sockaddr_storage`. Thus I've replaced the argument type with a pointer and made the function `unsafe`.
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Update bootstrap compiler and rustfmt
The rustfmt version we previously used formats things differently from what the latest nightly rustfmt does. This causes issues for subtrees that get formatted both in-tree and in their own repo. Updating the rustfmt used in-tree solves those issues. Also bumped the bootstrap compiler as the stage0 update command always updates both at the same
time.
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As per #117276, this PR moves `sys_common::net` and the `sys::pal::net` into the newly created `sys::net` module. In order to support #135141, I've moved all the current network code into a separate `connection` module, future functions like `hostname` can live in separate modules.
I'll probably do a follow-up PR and clean up some of the actual code, this is mostly just a reorganization.
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This fixes #91707 by including one overarching example, instead of the small examples that can be misleading.
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This greatly reduces the number of places that actually use the `rustc_layout_scalar_valid_range_*` attributes down to just 3:
```
library/core\src\ptr\non_null.rs
68:#[rustc_layout_scalar_valid_range_start(1)]
library/core\src\num\niche_types.rs
19: #[rustc_layout_scalar_valid_range_start($low)]
20: #[rustc_layout_scalar_valid_range_end($high)]
```
Everything else -- PAL Nanoseconds, alloc's `Cap`, niched FDs, etc -- all just wrap those `niche_types` types.
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Since Emscripten uses musl libc internally.
Non-functional change: all LFS64 symbols were aliased to their non-LFS64
counterparts in rust-lang/libc@7c952dceaad4cdc35e00884fcb12a713d41a87e0.
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r=ChrisDenton
Abstract `ProcThreadAttributeList` into its own struct
As extensively discussed in issue #114854, the current implementation of the unstable `windows_process_extensions_raw_attribute` features lacks support for passing a raw pointer.
This PR wants to explore the opportunity to abstract away the `ProcThreadAttributeList` into its own struct to for one improve safety and usability and secondly make it possible to maybe also use it to spawn new threads.
try-job: x86_64-mingw
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`UniqueRc` trait impls
UniqueRc tracking Issue: #112566
Stable traits: (i.e. impls behind only the `unique_rc_arc` feature gate)
* Support the same formatting as `Rc`:
* `fmt::Debug` and `fmt::Display` delegate to the pointee.
* `fmt::Pointer` prints the address of the pointee.
* Add explicit `!Send` and `!Sync` impls, to mirror `Rc`.
* Borrowing traits: `Borrow`, `BorrowMut`, `AsRef`, `AsMut`
* `Rc` does not implement `BorrowMut` and `AsMut`, but `UniqueRc` can.
* Unconditional `Unpin`, like other heap-allocated types.
* Comparison traits `(Partial)Ord` and `(Partial)Eq` delegate to the pointees.
* `PartialEq for UniqueRc` does not do `Rc`'s specialization shortcut for pointer equality when `T: Eq`, since by definition two `UniqueRc`s cannot share an allocation.
* `Hash` delegates to the pointee.
* `AsRawFd`, `AsFd`, `AsHandle`, `AsSocket` delegate to the pointee like `Rc`.
* Sidenote: The bounds on `T` for the existing `Pointer<T>` impls for specifically `AsRawFd` and `AsSocket` do not allow `T: ?Sized`. For the added `UniqueRc` impls I allowed `T: ?Sized` for all four traits, but I did not change the existing (stable) impls.
Unstable traits:
* `DispatchFromDyn`, allows using `UniqueRc<Self>` as a method receiver under `feature(arbitrary_self_types)`.
* Existing `PinCoerceUnsized for UniqueRc` is generalized to allow non-`Global` allocators, like `Rc`.
* `DerefPure`, allows using `UniqueRc` in deref-patterns under `feature(deref_patterns)`, like `Rc`.
For documentation, `Rc` only has documentation on the comparison traits' methods, so I copied/adapted the documentation for those, and left the rest without impl-specific docs.
~~Edit: Marked as draft while I figure out `UnwindSafe`.~~
Edit: Ignoring `UnwindSafe` for this PR
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