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They fail to link prior to FreeBSD 14.0, which we don't use in CI. So
mark them as no_run. The only alternative I see would be to add a build
script.
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Using features reduces build time and size for consumer crates. By
default all features are enabled.
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libc::posix_fadvise returns errnos directly rather than in the errno
variable.
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And this time, start running Clippy in CI
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Since libc may add new variants at any time, Nix's consumers should not
use exhaustive match patterns.
Fixes #1182
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For many of Nix's consumers it be convenient to easily convert a Nix
error into a std::io::Error. That's currently not possible because of
the InvalidPath, InvalidUtf8, and UnsupportedOperation types that have
no equivalent in std::io::Error.
However, very few of Nix's public APIs actually return those unusual
errors. So a more useful API would be for Nix's standard error type to
implement Into<std::io::Error>.
This commit makes Error a simple NewType around Errno. For most
functions it's a drop-in replacement. There are only three exceptions:
* clearenv now returns a bespoke error type. It was the only Nix
function whose error couldn't be cleanly mapped onto an Errno.
* sys::signal::signal now returns Error(Errno::ENOTSUP) instead of
Error::UnsupportedOperation when the user passes an incompatible
argument to `handler`.
* When a NixPath exceeds PATH_MAX, it will now return
Error(Errno::ENAMETOOLONG) instead of Error::InvalidPath.
In the latter two cases there is now some abiguity about whether the
error code was generated by Nix or by the OS. But I think the ambiguity
is worth it for the sake of being able to implement Into<io::Error>.
This commit also introduces Error::Sys() as a migration aid. Previously
that as an enum variant. Now it's a function, but it will work in many
of the same contexts as the original.
Fixes #1155
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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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Co-authored-by: Dominik Hassler <hadfl@omnios.org>
Co-authored-by: Joshua M. Clulow <josh@sysmgr.org>
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Need to use the right cfg option for the conditional compilation.
target_os is the right option to use when targeting FreeBSD. target_env
was used before which seems to be a typo.
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Some things are not implemented yet in redox, so a lot of annotations
were added to remove functions when compiling for redox. Those functions
will hopefully be added in time, but for now it's better to have partial
support than none.
Blocked by https://github.com/rust-lang/libc/pull/1438
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`readlinkat`
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1195: Implement open file descriptor locks in fcntl r=asomers a=andrenth
Hello
This PR updates libc to 0.2.68, which adds the `F_OFD_*` fcntl commands, and uses them in `nix::fcntl::fcntl`.
Co-authored-by: Andre Nathan <andre@digirati.com.br>
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Untested, done on github.
Fixes #1200
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This adds the linkat function which is part of POSIX:
http://pubs.opengroup.org/onlinepubs/9699919799/functions/linkat.html
and widely implmented on Unix-Family platforms.
Add back trailing whitespace removed on previous force push
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renameat is (somewhat oddly, imho) in stdio.h. I put it in
nix::fcntl because there's no nix::stdio and all its friends
(including the AT_* constants) are in nix::fcntl.
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This adds the unlinkat function, which is part of POSIX:
http://pubs.opengroup.org/onlinepubs/9699919799/functions/unlinkat.html
and widely implmented on Unix-family platforms.
Implement unlinkat - Update comments to unlink at and breakup tests
Changes made based on comments from pull request #1058
Implement unlinkat - Update should_panic for more precise check
Updae should_panic attribute for more precise check. Also remove
some dead code and note the pull request ID.
Implement unlinkat - Update error handling to use unwrap_err
The previous patch failed testing on two targets that returned EPERM
as the Sys error instead of EISDIR. This patch changes from using the
should_panic attribute to using the unwrap_err and matching against
the result.
Implement Unlinkat - Passing tests should not print anything. Fix.
Implement unlinkat - Update location of commit comment in the CHANGELOG
Implement unlinkat - Remove newline
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Derive Clone, Copy, Eq, Hash, and PartialEq for all types. Not all
traits are supported by all types, which is why many are missing
some.
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Just a minor typo in the docs of `O_RDWR`. It read:
```
/// Allow both reading and writing.
///
/// This should not be combined with `O_WRONLY` or `O_RDWR`.
O_RDWR;
```
but I believe it should read
```
/// Allow both reading and writing.
///
/// This should not be combined with `O_WRONLY` or `O_RDONLY`.
O_RDWR;
```
instead :-)
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try! is not available in Rust 2018
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* DragonFly does not have a O_DSYNC flag
* Fix type_of_cmsg_data on DragonFly
* No fexecve() on DragonFly
* Do not run aio test cases on DragonFly
* Keep target lists in alphabetical order
* Unscrable #[cfg] directives and use cfg_if! macro instead
* Fix errno on DragonFly
Below follows an explanation why we have to use a C extension
to get errno working on DragonFly:
DragonFly uses a thread-local errno variable, but #[thread_local] is
feature-gated and not available in stable Rust as of this writing (Rust
1.21.0). We have to use a C extension (src/errno_dragonfly.c) to access
it.
Tracking issue for `thread_local` stabilization:
https://github.com/rust-lang/rust/issues/29594
Once this becomes stable, we can remove build.rs, src/errno_dragonfly.c,
remove the build-dependency from Cargo.toml, and use:
extern {
#[thread_local]
static errno: c_int;
}
Now all targets will use the build.rs script, but only on DragonFly this
will do something. Also, there are no additional dependencies for
targets other than DragonFly (no gcc dep).
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cc #664 (unsure if this is everything needed)
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