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2023-03-27socket ancillary data implementation for FreeBSD (from 13 and above).David CARLIER-21/+194
introducing new build config as well.
2023-03-18Stabilise `unix_socket_abstract`John Millikin-12/+7
Fixes https://github.com/rust-lang/rust/issues/85410
2023-03-04Auto merge of #89518 - a1phyr:unix_file_vectored_at, r=workingjubileebors-0/+87
Add vectored positioned I/O on Unix Add methods for vectored I/O with an offset on `File` for `unix` under `#![feature(unix_file_vectored_at)]`. The new methods are wrappers around `preadv` and `pwritev`. Tracking issue: #89517
2023-03-02Add basic testsBenoît du Garreau-0/+61
2023-03-02Take shared references as parameterBenoît du Garreau-12/+4
2023-02-28Add QNX Neutrino support to libstdFlorian Bartels-13/+28
Co-authored-by: gh-tr <troach@qnx.com>
2023-02-27Add vectored positioned I/O on UnixBenoît du Garreau-0/+34
2023-01-04relax reference requirement on from_abstract_namemllken-1/+1
2022-11-14Rollup merge of #101967 - jmillikin:linux-abstract-socket-addr, r=joshtriplettMatthias Krüger-83/+46
Move `unix_socket_abstract` feature API to `SocketAddrExt`. The pre-stabilized API for abstract socket addresses exposes methods on `SocketAddr` that are only enabled for `cfg(any(target_os = "android", target_os = "linux"))`. Per discussion in <https://github.com/rust-lang/rust/issues/85410>, moving these methods to an OS-specific extension trait is required before stabilization can be considered. This PR makes four changes: 1. The internal module `std::os::net` contains logic for the unstable feature `tcp_quickack` (https://github.com/rust-lang/rust/issues/96256). I moved that code into `linux_ext/tcp.rs` and tried to adjust the module tree so it could accommodate a second unstable feature there. 2. Moves the public API out of `impl SocketAddr`, into `impl SocketAddrExt for SocketAddr` (the headline change). 3. The existing function names and docs for `unix_socket_abstract` refer to addresses as being created from abstract namespaces, but a more accurate description is that they create sockets in *the* abstract namespace. I adjusted the function signatures correspondingly and tried to update the docs to be clearer. 4. I also tweaked `from_abstract_name` so it takes an `AsRef<[u8]>` instead of `&[u8]`, allowing `b""` literals to be passed directly. Issues: 1. The public module `std::os::linux::net` is marked as part of `tcp_quickack`. I couldn't figure out how to mark a module as being part of two unstable features, so I just left the existing attributes in place. My hope is that this will be fixed as a side-effect of stabilizing either feature.
2022-09-30Standard library OS support for Apple WatchOSVladimir Michael Eatwell-0/+2
2022-09-29Rollup merge of #98368 - sunfishcode:sunfishcode/std-os-fd, r=joshtriplettYuki Okushi-20/+5
Make `std::os::fd` public. `std::os::fd` defines types like `OwnedFd` and `RawFd` and is common between Unix and non-Unix platforms that share a basic file-descriptor concept. Rust currently uses this internally to simplify its own code, but it would be useful for external users in the same way, so make it public. This means that `OwnedFd` etc. will all appear in three places, for example on unix platforms: - `std::os::fd::OwnedFd` - `std::os::unix::io::OwnedFd` - `std::os::unix::prelude::OwnedFd` r? `````@joshtriplett`````
2022-09-18Move `unix_socket_abstract` feature API to `SocketAddrExt`.John Millikin-83/+46
2022-09-12Rollup merge of #100767 - kadiwa4:escape_ascii, r=jackh726Dylan DPC-14/+2
Remove manual <[u8]>::escape_ascii `@rustbot` label: +C-cleanup
2022-08-29Make `std::os::fd` public.Dan Gohman-20/+5
`std::os::fd` defines types like `OwnedFd` and `RawFd` and is common between Unix and non-Unix platforms that share a basic file-descriptor concept. Rust currently uses this internally to simplify its own code, but it would be useful for external users in the same way, so make it public. This means that `OwnedFd` etc. will all appear in three places, for example on unix platforms: - `std::os::fd::OwnedFd` - `std::os::unix::io::OwnedFd` - `std::os::unix::prelude::OwnedFd`
2022-08-29Rollup merge of #96334 - devnexen:socket_mark, r=dtolnayMatthias Krüger-0/+50
socket `set_mark` addition. to be able to set a marker/id on the socket for network filtering (iptables/ipfw here) purpose.
2022-08-23Rollup merge of #100835 - devnexen:listener_followups, r=devnexenDylan DPC-4/+2
net listen backlog update, follow-up from #97963. FreeBSD and using system limit instead for others.
2022-08-22net listen backlog update, follow-up from #97963.David CARLIER-4/+2
FreeBSD and using system limit instead for others.
2022-08-21Rollup merge of #100822 - WaffleLapkin:no_offset_question_mark, r=scottmcmMatthias Krüger-1/+1
Replace most uses of `pointer::offset` with `add` and `sub` As PR title says, it replaces `pointer::offset` in compiler and standard library with `pointer::add` and `pointer::sub`. This generally makes code cleaner, easier to grasp and removes (or, well, hides) integer casts. This is generally trivially correct, `.offset(-constant)` is just `.sub(constant)`, `.offset(usized as isize)` is just `.add(usized)`, etc. However in some cases we need to be careful with signs of things. r? ````@scottmcm```` _split off from #100746_
2022-08-21Replace most uses of `pointer::offset` with `add` and `sub`Maybe Waffle-1/+1
2022-08-20Rollup merge of #97963 - devnexen:net_listener_neg, r=the8472Matthias Krüger-2/+10
net listen backlog set to negative on Linux. it will be 4076 (from 5.4) or 128.
2022-08-19use <[u8]>::escape_ascii instead of core::ascii::escape_defaultKaDiWa-14/+2
2022-07-20Rollup merge of #98101 - vladimir-ea:stdlib_watch_os, r=thomccDylan DPC-3/+8
stdlib support for Apple WatchOS This is a follow-up to https://github.com/rust-lang/rust/pull/95243 (Add Apple WatchOS compiler targets) that adds stdlib support for Apple WatchOS. `@deg4uss3r` `@nagisa`
2022-07-20Library changes for Apple WatchOSVladimir Michael Eatwell-3/+8
2022-07-16Expand documentation for `process_group` Josh Triplett-1/+3
Explain PGID 0, and provide the acronym PGID.
2022-07-09Document and stabilize process_set_process_groupNiklas Fiekas-3/+28
Tracking issue: https://github.com/rust-lang/rust/issues/93857 FCP finished here: https://github.com/rust-lang/rust/issues/93857#issuecomment-1179551697
2022-07-07Fix doc build on unsupported osesDavid CARLIER-2/+16
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.
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