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Migrate the standard library from using the external `cfg_if` crate to
using the now-built-in `cfg_select` macro.
This does not yet eliminate the dependency from
`library/std/Cargo.toml`, because while the standard library itself no
longer uses `cfg_if`, it also incorporates the `backtrace` crate, which
does.
Migration assisted by the following vim command (after selecting the
full `cfg_if!` invocation):
```
'<,'>s/\(cfg_if::\)\?cfg_if/cfg_select/ | '<,'>s/^\( *\)} else {/\1}\r\1_ => {/c | '<,'>s/^\( *\)} else if #\[cfg(\(.*\))\] /\1}\r\1\2 => /e | '<,'>s/if #\[cfg(\(.*\))\] {/\1 => {/e
```
This is imperfect, but substantially accelerated the process. This
prompts for confirmation on the `} else {` since that can also appear
inside one of the arms. This also requires manual intervention to handle
any multi-line conditions.
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rust: library: Add `setsid` method to `CommandExt` trait
Add a setsid method to the CommandExt trait so that callers can create a process in a new session and process group whilst still using the POSIX spawn fast path.
Tracking issue: rust-lang/rust#105376
ACP: https://github.com/rust-lang/libs-team/issues/184
This PR was previously submitted by ``@HarveyHunt`` (whom I marked as Co-Author in the commit message) in rust-lang/rust#105377. However that PR went stale.
I applied the [suggestion](https://github.com/rust-lang/rust/pull/105377/files/231d19fcbfe155b2e85116865adae4253380ff1f#r1893457943) to change the function signature to `fn setsid(&mut self, setsid: bool) -> &mut Command`.
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Add a setsid method to the CommandExt trait so that callers can create
a process in a new session and process group whilst still using the
POSIX spawn fast path.
Co-Authored-By: Harvey Hunt <harveyhunt@fb.com>
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Clarify doc comment on unix OpenOptions
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std::net: adding `unix_socket_exclbind` feature for solaris/illumos.
allows to have a tigher control over the binding exclusivness of the socket.
ACP: https://github.com/rust-lang/libs-team/issues/366
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#![feature(rustc_private)]
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Set MSG_NOSIGNAL for UnixStream
https://github.com/rust-lang/rust/issues/139956
Same logic as for https://github.com/rust-lang/rust/blob/1f76d219c906f0112bb1872f33aa977164c53fa6/library/std/src/sys/net/connection/socket.rs#L399-L405.
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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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https://github.com/rust-lang/rust/issues/139956
fix
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This allows UTF-8 characters to be printed without escapes, rather than
just ASCII.
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allows to have a tigher control over the binding exclusivness of the
socket.
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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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