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2021-12-31Merge #1618bors[bot]
1618: Refactor UnixAddr r=asomers a=asomers * Within UnixAddr, replace the path_len variable (length of the sun_path field) with sun_len (length of the whole structure). This is more similar to how other sockaddr types work, and it's the same way that the BSDs use the sun_len field. Also, don't require that sun_path be nul-terminated. The OS doesn't require it. * On BSD-derived operating systems, struct sockaddr has a sa_len field that holds the length of the structure. UnixAddr's path_len field is redundant. Remove path_len on BSD-derived OSes, retaining it only for Illumos and Linux-based OSes. Co-authored-by: Alan Somers <asomers@gmail.com>
2021-12-30Introduce timer_* supportBrian L. Troutwine
This commit adds support for the signal timer mechanism in POSIX, the mirror to timerfd on Linux. Resolves #1424 Signed-off-by: Brian L. Troutwine <brian@troutwine.us>
2021-12-30Optimize UnixAddr for the BSDsAlan Somers
On BSD-derived operating systems, struct sockaddr has a sa_len field that holds the length of the structure. UnixAddr's path_len field is redundant. Remove path_len on BSD-derived OSes, retaining it only for Illumos and Linux-based OSes. Also, ensure that two UnixAddrs compare equal if they differ only by the presence of a trailing NUL. On Linux, syscalls like getsockname add a trailing NUL to the sockaddr they return, even if no NUL was present on the sockaddr originally passed to the kernel via a syscall like bind, and even though the docs explicitly say that any NUL passed to bind is not considered to be part of the address. Work around this bug by stripping it in UnixAddrKind::get(), so that at least two UnixAddrs will compare identical even if they differ in the presence of a trailing NUL.
2021-12-30Remove cc dependency on DragonFlyRyan Zoeller
f5ee22db489f78b9c003ef60b7ad1b837503bc4a removed the need for this dependency.
2021-12-30Merge #1564bors[bot]
1564: Add support for the SO_TXTIME sockopt and SCM_TXTIME control message r=asomers a=ghedo Co-authored-by: Alessandro Ghedini <alessandro@cloudflare.com>
2021-12-29Add support for the SO_TXTIME sockopt and SCM_TXTIME control messageAlessandro Ghedini
2021-12-28Merge #1619bors[bot]
1619: Added getters for the MqAttr struct r=rtzoeller a=fpagliughi With the existing code, if you call `mq_getattr()`, there does not appear to be a way to get any of the attributes from the returned `MqAttr` struct, other than the flags. This adds getter functions to retrieve the size parameters of the queue, and the current number of messages in the queue. Co-authored-by: fpagliughi <fpagliughi@mindspring.com>
2021-12-27Added getters for the MqAttr structfpagliughi
2021-12-27Merge #1596 #1621bors[bot]
1596: Add NetBSD configuration for supported process resources r=asomers a=schctl In addition to existing resources, NetBSD supports `RLIMIT_MEMLOCK`, `RLIMIT_NPROC` and `RLIMIT_RSS`. https://man.netbsd.org/setrlimit.2 `RLIMIT_AS` is also supported, but it looks like it was added [after version 5.0](https://mail-index.netbsd.org/tech-kern/2009/03/28/msg004702.html), so I'm not sure if that should be enabled. 1621: Add posix_fallocate on DragonFly r=asomers a=rtzoeller Enable the existing `posix_fallocate()` tests as they are passing locally. Co-authored-by: Sachin Cherian <sachinctl@protonmail.com> Co-authored-by: Ryan Zoeller <rtzoeller@rtzoeller.com>
2021-12-27Merge #1620bors[bot]
1620: Fix typos in documentation r=asomers a=rtzoeller Co-authored-by: Ryan Zoeller <rtzoeller@rtzoeller.com>
2021-12-27Add posix_fallocate on DragonFlyRyan Zoeller
2021-12-26Fix typosRyan Zoeller
2021-12-24Merge #1547bors[bot]
1547: feat: Add glibc::SOF_TIMESTAMPING_* support r=asomers a=pacak Support for kernel and hardware receive timestamps Co-authored-by: Michael Baikov <manpacket@gmail.com>
2021-12-24Merge #1616bors[bot]
1616: Disable mknod and mknodat tests on DragonFly r=asomers a=rtzoeller Like FreeBSD, DragonFly does not support creating regular files (i.e. `S_IFREG`) with `mknod` or `mknodat`. These tests should be disabled as they always fail. There are still a few other failing tests on DragonFly, but it is unclear to me if they are due to faulty/inapplicable test logic or a bug in DragonFly. Co-authored-by: Ryan Zoeller <rtzoeller@rtzoeller.com>
2021-12-24Disable mknod and mknodat tests on DragonFlyRyan Zoeller
2021-12-24Merge #1614bors[bot]
1614: Improve the sockaddr interface: r=asomers a=asomers * All sockaddr newtypes should be repr(transparent) * All sockaddr newtypes should be opaque, so the user can't do something like change the sa_family field in a way that violates invariants. This is a prerequisite for #1544. Co-authored-by: Alan Somers <asomers@gmail.com>
2021-12-24Add NetBSD configuration for supported process resourcesSachin Cherian
2021-12-23feat: Add glibc::SOF_TIMESTAMPING_* supportMichael Baikov
2021-12-22Merge #1582bors[bot]
1582: impl Send and Sync for IoVec r=rtzoeller a=asomers Co-authored-by: Alan Somers <asomers@gmail.com>
2021-12-22Merge #1613bors[bot]
1613: Fix clippy warning by adding #[must_use] r=asomers a=rtzoeller Clippy added a lint for non-constructor methods which return `self`, encouraging them to be marked as `#[must_use]`. Mark the methods which are failing with the latest nightly's clippy. ``` $ cargo clippy warning: missing `#[must_use]` attribute on a method returning `Self` --> src/sys/aio.rs:1068:5 | 1068 | / pub fn emplace_slice(mut self, fd: RawFd, offs: off_t, buf: &'a [u8], 1069 | | prio: libc::c_int, sigev_notify: SigevNotify, 1070 | | opcode: LioOpcode) -> Self 1071 | | { ... | 1074 | | self 1075 | | } | |_____^ | = note: `#[warn(clippy::return_self_not_must_use)]` on by default = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#return_self_not_must_use warning: missing `#[must_use]` attribute on a method returning `Self` --> src/sys/aio.rs:1084:5 | 1084 | / pub fn emplace_mut_slice(mut self, fd: RawFd, offs: off_t, 1085 | | buf: &'a mut [u8], prio: libc::c_int, 1086 | | sigev_notify: SigevNotify, opcode: LioOpcode) 1087 | | -> Self ... | 1091 | | self 1092 | | } | |_____^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#return_self_not_must_use warning: `nix` (lib) generated 2 warnings Finished dev [unoptimized + debuginfo] target(s) in 0.01s ``` Co-authored-by: Ryan Zoeller <rtzoeller@rtzoeller.com>
2021-12-22Merge #1537bors[bot]
1537: DragonFly BSD supports `sched_getaffinity()` and `sched_setaffinity()` r=rtzoeller a=rtzoeller Move `CpuSet`, `sched_getaffinity()`, and `sched_setaffinity()` from the `sched_linux_like` namespace to `sched_affinity`. Declare support for DragonFly BSD. `test_sched_affinity()` passes locally on DragonFly BSD. Co-authored-by: Ryan Zoeller <rtzoeller@rtzoeller.com>
2021-12-22Enable sched_get/setaffinity on DragonFly BSDRyan Zoeller
2021-12-22Fix clippy warning on latest nightlyRyan Zoeller
2021-12-22Merge #1581bors[bot]
1581: Add fdatasync for missing platforms r=rtzoeller a=rtzoeller These platforms stub out `fdatasync()` by just calling `fsync()`, but that is a conforming implementation. DragonFly recently provided [an implementation](https://github.com/DragonFlyBSD/DragonFlyBSD/commit/74fa2560ac77f9db4a34b2a7c72450126fec4ed6), but it has not made it into a release or rust-lang/libc. Co-authored-by: Ryan Zoeller <rtzoeller@rtzoeller.com>
2021-12-22Add fdatasync for missing platformsRyan Zoeller
2021-12-22Merge #1567bors[bot]
1567: Recent versions of Android support EPOLLEXCLUSIVE r=rtzoeller a=rtzoeller [Corresponding libc change](https://github.com/rust-lang/libc/commit/36be4cd4f65c326f2a30d3afee50db78c014f07f). Enable the epoll tests on Android, because they are passing. Co-authored-by: Ryan Zoeller <rtzoeller@rtzoeller.com>
2021-12-22Recent versions of Android support EPOLLEXCLUSIVERyan Zoeller
Enable epoll tests on Android, because they are passing.
2021-12-22Merge #1577bors[bot]
1577: DragonFly 6.0 added fexecve(2) r=rtzoeller a=rtzoeller Enable `fexecve()` on DragonFly, as it was added in the 6.0 release. Co-authored-by: Ryan Zoeller <rtzoeller@rtzoeller.com>
2021-12-21UnixAddr: replace path_len with sun_lenAlan Somers
Within UnixAddr, replace the path_len variable (length of the sun_path field) with sun_len (length of the whole structure). This is more similar to how other sockaddr types work, and it's the same way that the BSDs use the sun_len field. Also, don't require that sun_path be nul-terminated. The OS doesn't require it.
2021-12-21Merge #1571bors[bot]
1571: Remove broken newlib support r=rtzoeller a=asomers Nix has never supported a newlib target, but there were a few cfg checks for it in our codebase. Some of them were misspelled (newlibc vs newlib), and some of the checks were wrong. Removing them makes the code much more readable. Co-authored-by: Alan Somers <asomers@gmail.com>
2021-12-21DragonFly 6.0 added fexecve(2)Ryan Zoeller
2021-12-21Merge #1583bors[bot]
1583: Remove unsafe in with_nix_path() for [u8] r=asomers a=rtzoeller Remove use of `unsafe` in the implementation of `with_nix_path()` for `[u8]`. This also comes with a nice determinism win across input sizes, and is fairly performance neutral (slightly slower for small strings, much faster for large strings). I suspect the performance degradation in the existing implementation is related to the following note in the `CStr::from_ptr()` documentation: > Note: This operation is intended to be a 0-cost cast but it is currently implemented with an up-front calculation of the length of the string. This is not guaranteed to always be the case. --- Tested with `cargo 1.57.0-nightly (7fbbf4e8f 2021-10-19)`, with variations of the following benchmarking code: ```rs #[bench] fn bench_with_nix_path_1024(b: &mut test::Bencher) { let bytes = std::hint::black_box([70u8; 1024]); b.iter(|| { bytes.with_nix_path(|cstr| { std::hint::black_box(&cstr); }).unwrap(); }) } ``` | Length | Before Change | After Change | |--------|-----------------------|-----------------------| | 16 | 37 ns/iter (+/- 0) | 44 ns/iter (+/- 0) | | 64 | 39 ns/iter (+/- 0) | 44 ns/iter (+/- 0) | | 256 | 84 ns/iter (+/- 0) | 48 ns/iter (+/- 0) | | 1024 | 232 ns/iter (+/- 1) | 50 ns/iter (+/- 1) | | 4095 | 796 ns/iter (+/- 8) | 62 ns/iter (+/- 2) | Co-authored-by: Ryan Zoeller <rtzoeller@rtzoeller.com>
2021-12-21Improve the sockaddr interface:Alan Somers
* All sockaddr newtypes should be repr(transparent) * All sockaddr newtypes should be opaque, so the user can't do something like change the sa_family field in a way that violates invariants. This is a prerequisite for #1544.
2021-12-21Merge #1611bors[bot]
1611: feature-gate most Nix functions r=rtzoeller a=asomers Using features reduces build time and size for consumer crates. By default all features are enabled. Co-authored-by: Vincent Dagonneau <vincentdagonneau@gmail.com> Co-authored-by: Alan Somers <asomers@gmail.com>
2021-12-21impl Send and Sync for IoVecAlan Somers
2021-12-20Fix merge error in CHANGELOGAlan Somers
2021-12-20try cargo-hack on Redox. It might work.Alan Somers
2021-12-20Use the correct toolchain for cargo-hackAlan Somers
2021-12-20feature-gate most Nix functionsVincent Dagonneau
Using features reduces build time and size for consumer crates. By default all features are enabled.
2021-12-18Merge #1609bors[bot]
1609: Fix warning when running cargo release r=rtzoeller a=rtzoeller `cargo release` is returning the following warning: `WARN cargo_release::config] Negative config values are deprecated ('no_', 'disable_')`. The root cause is `cargo-release` changing its behavior to default to not bumping the version: https://github.com/crate-ci/cargo-release/pull/340. Remove the `no-dev-version flag` from release.toml to match. Co-authored-by: Ryan Zoeller <rtzoeller@rtzoeller.com>
2021-12-17Remove no-dev-version flagRyan Zoeller
2021-12-16(cargo-release) version 0.23.1Alan Somers
2021-12-17Merge #1608bors[bot]
1608: [skip ci] Update cargo-release syntax in the docs r=rtzoeller a=asomers Co-authored-by: Alan Somers <asomers@gmail.com>
2021-12-17Merge #1607bors[bot]
1607: Relax the bitflags dependency from 1.3.1 to 1.1 r=rtzoeller a=asomers Fixes #1555 Co-authored-by: Alan Somers <asomers@gmail.com>
2021-12-16Relax the bitflags dependency from 1.3.1 to 1.1Alan Somers
Fixes #1555
2021-12-16[skip ci] Update cargo-release syntax in the docsAlan Somers
2021-12-15Merge #1561bors[bot]
1561: Declare the MSRV in Cargo.toml r=rtzoeller a=asomers This is a new feature in Cargo 1.56.0, currently in beta. Once Nix's MSRV is >= 1.56.0, this feature will prevent future problems like the bitflags 1.3.0 fiasco. Issue #1491 Issue #1510 Issue #1548 Issue #1555 Co-authored-by: Alan Somers <asomers@gmail.com>
2021-12-15Merge #1606bors[bot]
1606: Test preadv and pwritev on more operating systems r=rtzoeller a=asomers This was an oversight from PR #1511. Also, update the OSX test environment for Big Sur. Big Sur is the first OSX version that supports preadv/pwritev Co-authored-by: Alan Somers <asomers@gmail.com>
2021-12-14Pin the nightly compiler version used with DragonflyBSDAlan Somers
Newer rustc is broken on DragonflyBSD, probably by https://github.com/rust-lang/rust/commit/e68887e67cc6b7bb4ea5113a40eaa4c0831bda13
2021-12-14Update the OSX test environment for Big SurAlan Somers
Big Sur is the first OSX version that supports preadv/pwritev
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