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2022-07-06changes from feedbackDavid Carlier-6/+4
2022-07-06doc additionsDavid Carlier-1/+33
2022-07-06socket `set_mark` addition.David Carlier-0/+6
to be able to set a marker/id on the socket for network filtering (iptables/ipfw here) purpose.
2022-06-21update ioslice docs to use shared slicesConrad Ludgate-2/+2
2022-06-20Rollup merge of #97837 - sunfishcode:sunfishcode/proc-self-mem, r=m-ou-seDylan DPC-0/+19
Document Rust's stance on `/proc/self/mem` Add documentation to `std::os::unix::io` describing Rust's stance on `/proc/self/mem`, treating it as an external entity which is outside the scope of Rust's safety guarantees.
2022-06-15Auto merge of #97178 - sunfishcode:ownedfd-and-dup, r=joshtriplettbors-9/+19
Add a `BorrowedFd::try_clone_to_owned` and accompanying documentation Add a `BorrowedFd::try_clone_to_owned`, which returns a new `OwnedFd` sharing the underlying file description. And similar for `BorrowedHandle` and `BorrowedSocket` on WIndows. This is similar to the existing `OwnedFd::try_clone`, but it's named differently to reflect that it doesn't return `Result<Self, ...>`. I'm open to suggestions for better names. Also, extend the `unix::io` documentation to mention that `dup` is permitted on `BorrowedFd`. This was originally requsted [here](https://github.com/rust-lang/rust/issues/88564#issuecomment-910786081). At the time I wasn't sure whether it was desirable, but it does have uses and it helps clarify the API. The documentation previously didn't rule out using `dup` on a `BorrowedFd`, but the API only offered convenient ways to do it from an `OwnedFd`. With this patch, the API allows one to do `try_clone` on any type where it's permitted.
2022-06-15Document that `BorrowedFd` may be used to do a `dup`.Dan Gohman-9/+19
2022-06-15Auto merge of #95897 - AzureMarker:feature/horizon-std, r=nagisabors-30/+18
STD support for the Nintendo 3DS Rustc already supports compiling for the Nintendo 3DS using the `armv6k-nintendo-3ds` target (Tier 3). Until now though, only `core` and `alloc` were supported. This PR adds standard library support for the Nintendo 3DS. A notable exclusion is `std::thread` support, which will come in a follow-up PR as it requires more complicated changes. This has been a joint effort by `@Meziu,` `@ian-h-chamberlain,` myself, and prior work by `@rust3ds` members. ### Background The Nintendo 3DS (Horizon OS) is a mostly-UNIX looking system, with the caveat that it does not come with a full libc implementation out of the box. On the homebrew side (I'm not under NDA), the libc interface is partially implemented by the [devkitPro](https://devkitpro.org/wiki/devkitPro_pacman) toolchain and a user library like [`libctru`](https://github.com/devkitPro/libctru). This is important because there are [some possible legal barriers](https://github.com/rust-lang/rust/pull/88529#issuecomment-919938396) to linking directly to a library that uses the underlying platform APIs, since they might be considered a trade secret or under NDA. To get around this, the standard library impl for the 3DS does not directly depend on any platform-level APIs. Instead, it expects standard libc functions to be linked in. The implementation of these libc functions is left to the user. Some functions are provided by the devkitPro toolchain, but in our testing, we used the following to fill in the other functions: - [`libctru`] - provides more basic APIs, such as `nanosleep`. Linked in by way of [`ctru-sys`](https://github.com/Meziu/ctru-rs/tree/master/ctru-sys). - [`pthread-3ds`](https://github.com/Meziu/pthread-3ds) - provides pthread APIs for `std::thread`. Implemented using [`libctru`]. - [`linker-fix-3ds`](https://github.com/Meziu/rust-linker-fix-3ds) - fulfills some other missing libc APIs. Implemented using [`libctru`]. For more details, see the `src/doc/rustc/src/platform-support/armv6k-nintendo-3ds.md` file added in this PR. ### Notes We've already upstreamed changes to the [`libc`] crate to support this PR, as well as the upcoming threading PR. These changes have all been released as of 0.2.121, so we bump the crate version in this PR. Edit: After some rebases, the version bump has already been merged so it doesn't appear in this PR. A lot of the changes in this PR are straightforward, and follow in the footsteps of the ESP-IDF target: https://github.com/rust-lang/rust/pull/87666. The 3DS does not support user space process spawning, so these APIs are unimplemented (similar to ESP-IDF). [`libctru`]: https://github.com/devkitPro/libctru [`libc`]: https://github.com/rust-lang/libc
2022-06-14Implement stabilization of `#[feature(io_safety)]`.Dan Gohman-19/+18
Implement stabilization of [I/O safety], aka `#[feature(io_safety)]`. Fixes #87074. [I/O safety]: https://github.com/rust-lang/rfcs/blob/master/text/3128-io-safety.md
2022-06-13Use a private type definition to reduce cfg noiseMark Drobnak-36/+16
I checked with t-libs to make sure this is OK to do on stable functions: https://rust-lang.zulipchat.com/#narrow/stream/219381-t-libs/topic/Replacing.20std.20function.20arg.20type.20with.20private.20type.20def.3F
2022-06-13Horizon OS STD supportMeziu-12/+20
Co-authored-by: Ian Chamberlain <ian.h.chamberlain@gmail.com> Co-authored-by: Mark Drobnak <mark.drobnak@gmail.com>
2022-06-10net listen backlog set to negative on Linux.David Carlier-2/+10
it will be 4076 (from 5.4) or 128.
2022-06-08Fix trailing whitespace.Dan Gohman-1/+1
2022-06-08Reword the question in the section header too.Dan Gohman-2/+2
This adopts the wording suggested in https://github.com/rust-lang/rust/pull/97837#discussion_r892524129.
2022-06-08Update library/std/src/os/unix/io/mod.rsDan Gohman-3/+2
Co-authored-by: Mara Bos <m-ou.se@m-ou.se>
2022-06-08Reword a question into a statement.Dan Gohman-2/+2
2022-06-07Update library/std/src/os/unix/io/mod.rsDan Gohman-1/+1
Co-authored-by: Josh Triplett <josh@joshtriplett.org>
2022-06-07Update library/std/src/os/unix/io/mod.rsDan Gohman-1/+1
Co-authored-by: Josh Triplett <josh@joshtriplett.org>
2022-06-07Update library/std/src/os/unix/io/mod.rsDan Gohman-1/+1
Co-authored-by: Sean Stangl <sean.stangl@gmail.com>
2022-06-07Update library/std/src/os/unix/io/mod.rsDan Gohman-1/+1
Co-authored-by: Sean Stangl <sean.stangl@gmail.com>
2022-06-07Document Rust's stance on `/proc/self/mem`Dan Gohman-0/+20
Add documentation to `std::os::unix::io` describing Rust's stance on `/proc/self/mem`, treating it as an external entity which is outside the scope of Rust's safety guarantees.
2022-05-25Disable unix::net::ancillary on BSD.Mara Bos-155/+31
2022-05-09Use Rust 2021 prelude in std itself.Mara Bos-2/+0
2022-05-09Auto merge of #95960 - jhpratt:remove-rustc_deprecated, r=compiler-errorsbors-6/+6
Remove `#[rustc_deprecated]` This removes `#[rustc_deprecated]` and introduces diagnostics to help users to the right direction (that being `#[deprecated]`). All uses of `#[rustc_deprecated]` have been converted. CI is expected to fail initially; this requires #95958, which includes converting `stdarch`. I plan on following up in a short while (maybe a bootstrap cycle?) removing the diagnostics, as they're only intended to be short-term.
2022-04-19espidf: fix statScott Mabin-12/+12
* corect type usage with new type definitions in libc
2022-04-14Remove use of `#[rustc_deprecated]`Jacob Pratt-6/+6
2022-04-04ScmCredentials netbsd implementation.David Carlier-13/+92
2022-03-29fix unix typedefAria Beingessner-1/+1
2022-03-29Make some linux/unix APIs better conform to strict provenance.Alexis Beingessner-2/+2
This largely makes the stdlib conform to strict provenance on Ubuntu. Some hairier things have been left alone for now.
2022-03-19Rollup merge of #93858 - krallin:process-process_group, r=dtolnayDylan DPC-0/+10
Add a `process_group` method to UNIX `CommandExt` - Tracking issue: #93857 - RFC: https://github.com/rust-lang/rfcs/pull/3228 Add a `process_group` method to `std::os::unix::process::CommandExt` that allows setting the process group id (i.e. calling `setpgid`) in the child, thus enabling users to set process groups while leveraging the `posix_spawn` fast path.
2022-03-19Rollup merge of #92612 - atopia:update-lib-l4re, r=dtolnayDylan DPC-1/+3
Update stdlib for the l4re target This PR contains the work by ``@humenda`` and myself to update standard library support for the x86_64-unknown-l4re-uclibc tier 3 target, split out from humenda/rust as requested in #85967. The changes have been rebased on current master and updated in follow up commits by myself. The publishing of the changes is authorized and preferred by the original author. To preserve attribution, when standard library changes were introduced as part of other changes to the compiler, I have kept the changes concerning the standard library and altered the commit messages as indicated. Any incompatibilities have been remedied in follow up commits, so that the PR as a whole should result in a clean update of the target.
2022-03-14Add a `process_group` method to UNIX `CommandExt`Thomas Orozco-0/+10
2022-03-11Rollup merge of #94356 - Thomasdezeeuw:stabilize_unix_socket_creation, r=dtolnayDylan DPC-6/+4
Rename unix::net::SocketAddr::from_path to from_pathname and stabilize it Stabilizes `unix_socket_creation`. Closes https://github.com/rust-lang/rust/issues/93423 r? `@m-ou-se`
2022-03-10Use implicit capture syntax in format_argsT-O-R-U-S-38/+38
This updates the standard library's documentation to use the new syntax. The documentation is worthwhile to update as it should be more idiomatic (particularly for features like this, which are nice for users to get acquainted with). The general codebase is likely more hassle than benefit to update: it'll hurt git blame, and generally updates can be done by folks updating the code if (and when) that makes things more readable with the new format. A few places in the compiler and library code are updated (mostly just due to already having been done when this commit was first authored).
2022-03-09put L4Re specifics into their own platformBenjamin Lamowski-1/+3
The initial stdlib modifications for L4Re just used the linux specifics directly because they were reasonably close to L4Re's behavior. However, this breaks when Linux-specific code relies on code that is only available for the linux target, such as in #81825. Put L4Re into its own platform to avoid such breakage in the future. This uses the Linux-specific code as a starting point, which seems to be in line with other OSes with a unix-y interface such as Fuchsia.
2022-02-27Stabilize unix_socket_creationThomas de Zeeuw-3/+1
2022-02-25Rename unix::net::SocketAddr::from_path to from_pathnameThomas de Zeeuw-3/+3
Matching SocketAddr::as_pathname.
2022-02-10Implement `AsFd` for `&T` and `&mut T`.Dan Gohman-1/+1
Add implementations of `AsFd` for `&T` and `&mut T`, so that users can write code like this: ```rust pub fn fchown<F: AsFd>(fd: F, uid: Option<u32>, gid: Option<u32>) -> io::Result<()> { ``` with `fd: F` rather than `fd: &F`. And similar for `AsHandle` and `AsSocket` on Windows. Also, adjust the `fchown` example to pass the file by reference. The code can work either way now, but passing by reference is more likely to be what users will want to do. This is an alternative to #93869, and is a simpler way to achieve the same goals: users don't need to pass borrowed-`BorrowedFd` arguments, and it prevents a pitfall in the case where users write `fd: F` instead of `fd: &F`.
2022-02-04Hide Repr details from io::Error, and rework `io::Error::new_const`.Thom Chiovoloni-11/+11
2022-01-28Update tracking issue for unix_socket_creationThomas de Zeeuw-1/+1
2022-01-27Use sockaddr_un in unix SocketAddr::from_pathThomas de Zeeuw-35/+1
2022-01-27Make sockaddr_un safe and use copy_nonoverlappingThomas de Zeeuw-8/+11
The creation of libc::sockaddr_un is a safe operation, no need for it to be unsafe. This also uses the more performant copy_nonoverlapping instead of an iterator.
2022-01-24Rename SocketAddr::unix to from_pathThomas de Zeeuw-16/+20
And change it to disallow NULL bytes.
2022-01-23Add os::unix::net::SocketAddr::unixThomas de Zeeuw-1/+68
Creates a new SocketAddr from a path, supports both regular paths and abstract namespaces.
2022-01-15Rollup merge of #92775 - xfix:osstringext-inline, r=m-ou-seMatthias Krüger-0/+2
Inline std::os::unix::ffi::OsStringExt methods Those methods essentially do nothing at assembly level. On Unix systems, `OsString` is represented as a `Vec` without performing any transformations.
2022-01-11Inline std::os::unix::ffi::OsStringExt methodsKonrad Borowski-0/+2
2022-01-09Compute most of Public/Exported access level in rustc_resolveLamb-0/+1
Mak DefId to AccessLevel map in resolve for export hir_id to accesslevel in resolve and applied in privacy using local def id removing tracing probes making function not recursive and adding comments Move most of Exported/Public res to rustc_resolve moving public/export res to resolve fix missing stability attributes in core, std and alloc move code to access_levels.rs return for some kinds instead of going through them Export correctness, macro changes, comments add comment for import binding add comment for import binding renmae to access level visitor, remove comments, move fn as closure, remove new_key fmt fix rebase fix rebase fmt fmt fix: move macro def to rustc_resolve fix: reachable AccessLevel for enum variants fmt fix: missing stability attributes for other architectures allow unreachable pub in rustfmt fix: missing impl access level + renaming export to reexport Missing impl access level was found thanks to a test in clippy
2021-12-16Revert "socket ancillary data implementation for dragonflybsd."David CARLIER-90/+6
2021-12-11Rollup merge of #91553 - devnexen:anc_data_dfbsd, r=yaahcMatthias Krüger-6/+90
socket ancillary data implementation for dragonflybsd.
2021-12-09Auto merge of #81156 - DrMeepster:read_buf, r=joshtriplettbors-11/+1
Implement most of RFC 2930, providing the ReadBuf abstraction This replaces the `Initializer` abstraction for permitting reading into uninitialized buffers, closing #42788. This leaves several APIs described in the RFC out of scope for the initial implementation: * read_buf_vectored * `ReadBufs` Closes #42788, by removing the relevant APIs.
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