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collect all Fuchsia bindings into the `fuchsia` module
The Fuchsia bindings are currently spread out across multiple modules in `sys/pal/unix` leading to unnecessary duplication. This PR moves all of these definitions into `sys::pal::unix::fuchsia` and additionally:
* deduplicates the definitions
* makes the error names consistent
* marks `zx_thread_self` and `zx_clock_get_monotonic` as safe extern functions
* removes unused items (there's no need to maintain these bindings if we're not going to use them)
* removes the documentation for the definitions (contributors should always consult the platform documentation, duplicating that here is just an extra maintenance burden)
`@rustbot` ping fuchsia
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The Fuchsia bindings are currently spread out across multiple modules in `sys/pal/unix` leading to unnecessary duplication. This PR moves all of these definitions into `sys::pal::unix::fuchsia` and additionally:
* deduplicates the definitions
* makes the error names consistent
* marks some extern functions as safe
* removes unused items (there's no need to maintain these bindings if we're not going to use them)
* removes the documentation for the definitions (contributors should always consult the platform documentation, duplicating that here is just an extra maintenance burden)
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Move the public `CommandEnvs` into the `process` module (and make it a wrapper type for an internal iterator type) and everything else into `sys::process` as per #117276.
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in core/alloc/std only for now, and ignoring test files
Co-authored-by: Pavel Grigorenko <GrigorenkoPV@ya.ru>
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Move `sys::pal::os::Env` into `sys::env`
Although `Env` (as `Vars`), `Args`, path functions, and OS constants are publicly exposed via `std::env`, their implementations are each self-contained. Keep them separate in `std::sys` and make a new module, `sys::env`, for `Env`.
Also fix `unsafe_op_in_unsafe_fn` for Unix and update the `!DynSend` and `!DynSync` impls which had grown out of sync with the platforms (see #48005 for discussion on that).
r? joboet
Tracked in #117276.
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Use posix_spawn on cygwin
r? ``@joboet``
Depends on:
- [x] https://github.com/rust-lang/libc/pull/4387
- [x] https://github.com/rust-lang/rust/pull/140081
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Although `Env` (as `Vars`), `Args`, path functions, and OS constants are
publicly exposed via `std::env`, their implementations are each
self-contained. Keep them separate in `std::sys` and make a new module,
`sys::env`, for `Env`.
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Previously (https://github.com/rust-lang/rust/pull/115200,
https://github.com/rust-lang/rust/pull/138002), we
added `#[no_sanitize(cfi)]` to all code paths that call to a weakly
linked function.
In https://github.com/rust-lang/rust/pull/138349 we fixed the root cause
for this issue, which means we can now remove the corresponding
attributes.
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Change the syntax to include parameter names and a trailing semicolon.
Motivation:
- Mirror the `syscall!` macro.
- Allow rustfmt to format it (when wrapped in parentheses).
- For better documentation (having the parameter names available in
the source code is a bit nicer).
- Allow future improvements to this macro where we can sometimes use the
symbol directly when it's statically known to be available.
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As per #117276, this moves the implementations of `Process` and friends out of the `pal` module and into the `sys` module, removing quite a lot of error-prone `#[path]` imports in the process (hah, get it ;-)). I've also made the `zircon` module a dedicated submodule of `pal::unix`, hopefully we can move some other definitions there as well (they are currently quite a lot of duplications in `sys`). Also, the `ensure_no_nuls` function on Windows now lives in `sys::pal::windows` – it's not specific to processes and shared by the argument implementation.
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