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Add missing links and examples
r? @rust-lang/docs
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add missing docs for MetadataExt
r? @rust-lang/docs
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It was a bit outdated, claimed to be able to do less than it actually
could.
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Most users would expect set_permissions(Metadata.permissions()) to be
non-destructive. While we can't guarantee this, we can at least pass
the needed info to chmod.
Also update the PermissionsExt documentation to disambiguate what it
contains, and to refer to the underlying value as `st_mode` rather than
its type `mode_t`.
Closes #44147
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This fixes headings reading "Unsafety" and "Example", they should be
"Safety" and "Examples" according to RFC 1574.
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Move the implementations of net specific file descriptior implementations
to net. This makes it easier to exclude net at all if not needed for a
target.
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Like #43008 (f668999), but _much more aggressive_.
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Fix some typos
Follow up of #43794
If refined my script a little bit and found some more.
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Expose all OS-specific modules in libstd doc.
1. Uses the special `--cfg dox` configuration passed by rustbuild when running `rustdoc`. Changes the `#[cfg(platform)]` into `#[cfg(any(dox, platform))]` so that platform-specific API are visible to rustdoc.
2. Since platform-specific implementations often won't compile correctly on other platforms, `rustdoc` is changed to apply `everybody_loops` to the functions during documentation and doc-test harness.
3. Since platform-specific code are documented on all platforms now, it could confuse users who found a useful API but is non-portable. Also, their examples will be doc-tested, so must be excluded when not testing on the native platform. An undocumented attribute `#[doc(cfg(...))]` is introduced to serve the above purposed.
Fixes #24658 (Does _not_ fully implement #1998).
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Replaced by adding extra imports, adding hidden code (`# ...`), modifying
examples to be runnable (sorry Homura), specifying non-Rust code, and
converting to should_panic, no_run, or compile_fail.
Remaining "```ignore"s received an explanation why they are being ignored.
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This is an API that allows types to indicate that they can be passed
buffers of uninitialized memory which can improve performance.
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This reverts commit 2cf686f2cdd6446a3cd47df0305ead40fabe85df (#40842)
RawFd is a type alias for c_int, which is itself a type alias for i32.
As a result, adding AsRawFd and IntoRawFd impls for RawFd actually adds
them for i32.
As a result, the reverted commit makes this valid:
```
use std::os::unix::io::AsRawFd;
fn arf<T: AsRawFd>(_: T) {}
fn main() {
arf(32i32)
}
```
Implimenting AsRawFd and IntoRawFd for i32 breaks the promises of both
those traits that their methods return a valid RawFd.
r? @aturon
cc @Mic92 @kamalmarhubi
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Implement AsRawFd/IntoRawFd for RawFd
This is useful to build os abstraction like the nix crate does.
It allows to define functions, which accepts generic arguments
of data structures convertible to RawFd, including RawFd itself.
For example:
```
fn write<FD: AsRawFd>(fd: FD, buf: &[u8]) -> Result<usize>
write(file, buf);
```
instead of:
```
fn write(fd: RawFd, buf: &[u8]) -> Result<usize>
write(file.as_raw_fd(), buf);
```
cc @kamalmarhubi
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This is useful to build os abstraction like the nix crate does.
It allows to define functions, which accepts generic arguments
of data structures convertible to RawFd, including RawFd itself.
For example:
fn write<FD: AsRawFd>(fd: FD, buf: &[u8]) -> Result<usize>
instead of:
fn write(fd: RawFd, buf: &[u8]) -> Result<usize>
write(foo.as_raw_fd(), buf);
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Update usages of 'OSX' (and other old names) to 'macOS'.
As of last year with version 'Sierra', the Mac operating system is now
called 'macOS'.
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This was never established as a convention we should follow in the 'More
API Documentation Conventions' RFC:
https://github.com/rust-lang/rfcs/blob/master/text/1574-more-api-documentation-conventions.md
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As of last year with version 'Sierra', the Mac operating system is now
called 'macOS'.
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Expand documentation of process::exit and exec
Show a conventional way to use process::exit when destructors are considered important and also
mention that the same caveats wrt destructors apply to exec as well.
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See #38644.
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Show a conventional way to use process::exit when destructors are considered important and also
mention that the same caveats wrt destructors apply to exec as well.
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Unix socket doc
r? @frewsxcv
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Implement `read_offset` and `write_offset`
These functions allow to read from and write to a file from multiple
threads without changing the per-file cursor, avoiding the race between
the seek and the read.
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These functions allow to read from and write to a file in one atomic
action from multiple threads, avoiding the race between the seek and the
read.
The functions are named `{read,write}_at` on non-Windows (which don't
change the file cursor), and `seek_{read,write}` on Windows (which
change the file cursor).
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These are displayed by rustdoc so should be correct.
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SO_NOSIGPIPE and MSG_NOSIGNAL (rebased #36426)
I'm not sure what happened when I pushed a rebased branch on #36426 , github closed it...
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