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Fix several problems with Errno aliases
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Previously they had to be consts in the errno module, because associated
consts weren't supported until Rust 1.20.0. Now that they're associated
consts, they can be used interchangeably with regular Errno enum
variants.
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Previously these were aliases for UnknownErrno. Now, they're compile
errors.
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Fix some warnings, and reenble tests that were broken on Travis
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Hopefully fix unreliability in unistd::alarm's doc test
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Fix bad links in the aio docs
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1448: Add documentation for sched::clone r=asomers a=Mandragorian
Add a note in the documentation for sched::clone to point out that the
stack pointer does not neet to be a reference to the highest address of
the stack.
Users who simply read the manpages for clone(2) might assume that they
will need to use unsafe pointer arithmetics in order to create a
reference to the highest address of their buffer, rather than providing
their buffer directly.
Co-authored-by: Konstantinos Andrikopoulos <mandragore@protonmail.com>
Co-authored-by: Alan Somers <asomers@gmail.com>
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Add a note in the documentation for sched::clone to point out that the
stack pointer does not neet to be a reference to the highest address of
the stack.
Users who simply read the manpages for clone(2) might assume that they
will need to use unsafe pointer arithmetics in order to create a
reference to the highest address of their buffer, rather than providing
their buffer directly.
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1445: Add a wrapper around if_nameindex r=asomers a=coolreader18
Co-authored-by: Noah <33094578+coolreader18@users.noreply.github.com>
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Release v0.21.0
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1430: Add getresuid() and getresgid() to unistd r=asomers a=jerylvaz
Co-authored-by: Jeryl Vaz <jerylvaz@yahoo.com>
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1443: misc Clippy cleanup r=asomers a=asomers
* Fix race conditions in the tests. Two tests were grabbing a mutex but
immediately dropping it. Thank you, Clippy.
* Remove vestigial Windows support. Remove some code added to support
Windows in 2015. Nix is no longer intended to ever run on Windows.
* Various other minor Clippy lints.
Co-authored-by: Alan Somers <asomers@gmail.com>
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* Fix race conditions in the tests. Two tests were grabbing a mutex but
immediately dropping it. Thank you, Clippy.
* Remove vestigial Windows support. Remove some code added to support
Windows in 2015. Nix is no longer intended to ever run on Windows.
* Various other minor Clippy lints.
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1437: Add MS_LAZYTIME flag r=asomers a=ManaSugi
MS_LAZYTIME (since Linux 4.0) reduces on-disk updates of inode
timestamps (atime, mtime, ctime) by maintaining these changes only in memory.
MS_LAZYTIME is available from `libc` v0.2.95.
Signed-off-by: Manabu Sugimoto <Manabu.Sugimoto@sony.com>
Co-authored-by: Manabu Sugimoto <Manabu.Sugimoto@sony.com>
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MS_LAZYTIME (since Linux 4.0) reduces on-disk updates of inode
timestamps (atime, mtime, ctime) by maintaining these changes only in memory.
Signed-off-by: Manabu Sugimoto <Manabu.Sugimoto@sony.com>
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1440: Adapt aio to the world of async/await, and fix some potential unsound… r=asomers a=asomers
…ness.
* libc::aiocb must not be moved while the kernel has a pointer to it.
This change enforces that requirement by using std::pin.
* Split LioCbBuilder out of LioCb. struct LioCb relied on the
(incorrect) assumption that a Vec's elements have a stable location in
memory. That's not true; they can be moved during Vec::push. The
solution is to use a Vec in the new Builder struct, but finalize it to
a boxed slice (which doesn't support push) before allowing it to be
submitted to the kernel.
* Eliminate owned buffer types. mio-aio no longer uses owned buffers
with nix::aio. There's little need for it in the world of
async/await. I'm not aware of any other consumers. This
substantially simplifies the code.
Co-authored-by: Alan Somers <asomers@gmail.com>
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* libc::aiocb must not be moved while the kernel has a pointer to it.
This change enforces that requirement by using std::pin.
* Split LioCbBuilder out of LioCb. struct LioCb relied on the
(incorrect) assumption that a Vec's elements have a stable location in
memory. That's not true; they can be moved during Vec::push. The
solution is to use a Vec in the new Builder struct, but finalize it to
a boxed slice (which doesn't support push) before allowing it to be
submitted to the kernel.
* Eliminate owned buffer types. mio-aio no longer uses owned buffers
with nix::aio. There's little need for it in the world of
async/await. I'm not aware of any other consumers. This
substantially simplifies the code.
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Suppress a build warning on Fuchsia
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Beginning with 1.41.0, Rust considers it UB to zero-initialize a
function pointer, even if you try to hide it behind `mem::MaybeUninit`.
Suppress this warning to fix the build until we come up with a better
permanent solution.
Issue #1441
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1439: Add sendfile64 r=asomers a=tdryer
`sendfile64` is a Linux-specific call with a wider type for the `offset` argument than `sendfile`.
This is largely a copy of the existing `sendfile` function and associated test.
Co-authored-by: Tom Dryer <tomdryer.com@gmail.com>
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1438: Update to semver 1.0.0 r=asomers a=dtolnay
Co-authored-by: David Tolnay <dtolnay@gmail.com>
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It's not available from libc on that platform.
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`sendfile64` is a Linux-specific call with a wider type for the `offset`
argument than `sendfile`.
This is largely a copy of the existing `sendfile` function and
associated test.
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1433: Use fstatat to check long path sizes in fcntl::readlinkat r=asomers a=zxzax
Without this, the `lstat` call ignores the `dirfd` and checks the wrong file. I wanted to write a unit test for this but I'm not sure how to do it reliably, AFAIK the maximum path size can vary between filesystems.
Co-authored-by: Jason Francis <zxzax@protonmail.com>
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Workaround Rustup bug 2774
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A regression in rustup has broken that tool on FreeBSD. Set
RUSTUP_IO_THREADS=1 as a workaround.
https://github.com/rust-lang/rustup/issues/2774
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1434: Rewrite links to use https:// instead of http:// r=asomers a=rtzoeller
All of the `http://` links in the repository are also available as `https://, and have been updated.
The sole exception to this trivially rewrite is a dead-link to `http://rust-lang.org/COPYRIGHT`, which has been replaced with `https://www.rust-lang.org/policies/licenses`.
Co-authored-by: Ryan Zoeller <rtzoeller@rtzoeller.com>
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Hopefully improve unistd::alarm::set's doc test's reliability
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1429: constify from_raw and as_raw for Uid, Gid and Pid and Uid::is_root r=asomers a=Blub
Make some integer wrapper methods `const fn`.
* `Uid::from_raw`
* `Uid::as_raw`
* `Uid::is_root`
* `Gid::from_raw`
* `Gid::as_raw`
* `Pid::from_raw`
* `Pid::as_raw`
(Changelog mentions rust 1.40.0 as minimum required version which seems to compile this fine (using 1.40.0 from rustup))
Co-authored-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
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Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
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1427: Fix timestamp doc r=asomers a=WiSaGaN
This fixed doc test issue here: https://docs.rs/nix/0.20.0/nix/sys/socket/enum.ControlMessageOwned.html#variant.ScmTimestamp
Co-authored-by: Lu, Wangshan <wisagan@gmail.com>
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1402: Support TIMESTAMPNS r=asomers a=WiSaGaN
This adds support of linux TIMESTAMPNS.
The code is mostly copied paste from https://github.com/nix-rust/nix/pull/663
Co-authored-by: Lu, Wangshan <wisagan@gmail.com>
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1414: Fix corrupted sendmmsg() call r=asomers a=eaufavor
Before this fix, the buffer that holds cmsgs may move due to the resize()
call. That causes msg_hdr pointing to invalid memory, which ends up
breaking the sendmmsg() call, resulting in EINVAL.
This change fixes it by avoiding re-allocating the buffers.
Co-authored-by: Yuchen Wu <yuchen@cloudflare.com>
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