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Author SHA1 Message Date
Boxy
22998f0785 update cfgs 2024-11-27 15:14:54 +00:00
Sebastian Urban
4342ec0cf2 Implement code review 2024-11-27 13:30:18 +01:00
Boxy
174ad448c7 replace placeholder version 2024-11-27 12:10:21 +00:00
Matthias Krüger
dcebc5eddd
Rollup merge of #133449 - joboet:io_const_error, r=tgross35 
std: expose `const_io_error!` as `const_error!`

ACP: https://github.com/rust-lang/libs-team/issues/205
Tracking issue: https://github.com/rust-lang/rust/issues/133448

Probably best reviewed commit-by-commit, the first one does the API change, the second does the mass-rename.
 2024-11-27 08:13:47 +01:00
bors
dd2837ec5d Auto merge of #133505 - compiler-errors:rollup-xjp8hdi, r=compiler-errors 
Rollup of 12 pull requests

Successful merges:

 - #133042 (btree: add `{Entry,VacantEntry}::insert_entry`)
 - #133070 (Lexer tweaks)
 - #133136 (Support ranges in `<[T]>::get_many_mut()`)
 - #133140 (Inline ExprPrecedence::order into Expr::precedence)
 - #133155 (Yet more `rustc_mir_dataflow` cleanups)
 - #133282 (Shorten the `MaybeUninit` `Debug` implementation)
 - #133326 (Remove the `DefinitelyInitializedPlaces` analysis.)
 - #133362 (No need to re-sort existential preds in relate impl)
 - #133367 (Simplify array length mismatch error reporting (to not try to turn consts into target usizes))
 - #133394 (Bail on more errors in dyn ty lowering)
 - #133410 (target check_consistency: ensure target feature string makes some basic sense)
 - #133435 (miri: disable test_downgrade_observe test on macOS)

r? `@ghost`
`@rustbot` modify labels: rollup
 2024-11-26 21:57:32 +00:00
Piotr Osiewicz
f4ab9829e1 chore: Improve doc comments 2024-11-26 22:46:12 +01:00
joboet
c14d137bfc
std: update internal uses of io::const_error! 2024-11-26 18:38:24 +01:00
Michael Goulet
c4e2b0c605
Rollup merge of #133435 - RalfJung:test_downgrade_observe, r=tgross35 
miri: disable test_downgrade_observe test on macOS

Due to https://github.com/rust-lang/rust/issues/121950, this test can fail on Miri. The test is also quite slow on Miri (taking more than 30s) due to the high iteration count (a total of 2000), so let's reduce that a little.

Fixes https://github.com/rust-lang/rust/issues/133421
 2024-11-26 12:03:45 -05:00
Guillaume Gomez
a06532e639
Rollup merge of #133464 - RalfJung:whitespace-panic, r=joboet 
std:🧵 avoid leading whitespace in some panic messages

This:
```
        panic!(
            "use of std:🧵:current() is not possible after the thread's
         local data has been destroyed"
        )
```
will print a newline followed by a bunch of spaces, since the entire string literal is interpreted literally.

I think the intention was to print the message without the newline and the spaces, so let's add some `\` to make that happen.

r? ``@joboet``
 2024-11-26 15:32:17 +01:00
Guillaume Gomez
ddb6904ee4
Rollup merge of #133419 - CromFr:add-path-strip_prefix-test-example, r=Amanieu 
Added a doc test for std::path::strip_prefix

I was about 90% sure `Path::new("/test/haha/foo.txt").strip_prefix("/te")` would return an Err, but I couldn't find an example to confirm this behaviour.

This should be an easy merge :)
 2024-11-26 15:32:13 +01:00
Guillaume Gomez
02c3e6d087 Add missing code examples on LocalKey 2024-11-26 15:29:47 +01:00
Sebastian Urban
f0b7008648 thread::available_parallelism for wasm32-wasip1-threads 
The target has limited POSIX support and provides the sysconf
function which allows querying the number of available
CPUs.
 2024-11-26 14:06:05 +01:00
Piotr Osiewicz
692c19ae80 Refactor ReadDir into a state machine 2024-11-26 14:03:01 +01:00
Sebastian Urban
ec5f41a953 Run TLS destructors for wasm32-wasip1-threads 
The target has support for pthreads and allows
registration of TLS destructors.
 2024-11-25 19:57:57 +01:00
Ralf Jung
8bc8adb8dc std:🧵 avoid leading whitespace in some panic messages 2024-11-25 18:31:49 +01:00
joboet
d39afacbdf
std: expose const_io_error! as const_error! 
ACP: rust-lang/libs-team#205
Tracking issue: #133448
 2024-11-25 15:23:31 +01:00
Ralf Jung
c9b56b9694 miri: disable test_downgrade_observe test on macOS 2024-11-25 08:00:22 +01:00
许杰友 Jieyou Xu (Joe)
1741b394da
Rollup merge of #133298 - n0toose:remove-dir-all-but-not-paths, r=Noratrieb 
Mention that std::fs::remove_dir_all fails on files

This is explicitly mentioned for std::fs::remove_file.

It is more likely for a slightly lazy programmer to believe that removing a file would work and that they do not have to distinguish between directories (with contents) and files themself, because of the function's recursive nature and how it distinguishes between files and directories when removing them.

Follow-up for #133183.
 2024-11-25 00:39:05 +08:00
许杰友 Jieyou Xu (Joe)
31b4023e24
Rollup merge of #132730 - joboet:after_main_sync, r=Noratrieb 
std: allow after-main use of synchronization primitives

By creating an unnamed thread handle when the actual one has already been destroyed, synchronization primitives using thread parking can be used even outside the Rust runtime.

This also fixes an inefficiency in the queue-based `RwLock`: if `thread::current` was not initialized yet, it will create a new handle on every parking attempt without initializing `thread::current`. The private `current_or_unnamed` function introduced here fixes this.
 2024-11-25 00:39:03 +08:00
Crom (Thibaut CHARLES)
f3ad32b769
Added a doc test for std::path::strip_prefix 2024-11-24 14:37:40 +01:00
Matthias Krüger
220251e181
Rollup merge of #133389 - eduardosm:stabilize-const_float_methods, r=RalfJung 
Stabilize `const_float_methods`

Tracking issue: https://github.com/rust-lang/rust/issues/130843
Relnotes: #133383

Stabilized const API:

```rust
// in `core`
impl f32/f64 {
    pub const fn recip(self) -> Self;
    pub const fn to_degrees(self) -> Self;
    pub const fn to_radians(self) -> Self;
    pub const fn max(self, other: Self) -> Self;
    pub const fn min(self, other: Self) -> Self;
    pub const fn clamp(self, min: Self, max: Self) -> Self;
    pub const fn abs(self) -> Self;
    pub const fn signum(self) -> Self;
    pub const fn copysign(self, sign: Self) -> Self;
}
```

Closes https://github.com/rust-lang/rust/issues/130843

r? libs-api

cc `@RalfJung` -- I think the way const-stability attributes work have change a bit since the last time a wrote a const-stabilization PR, please make sure I got them right.
 2024-11-24 11:08:20 +01:00
bors
4e4c20d2ab Auto merge of #132611 - compiler-errors:async-prelude, r=ibraheemdev 
Add `AsyncFn*` to the prelude in all editions

The general vibe is that we will most likely stabilize the `feature(async_closure)` *without* the `async Fn()` trait bound modifier.

Without `async Fn()` bound syntax, this necessitates users to spell the bound like `AsyncFn()`. Since `core::ops::AsyncFn` is not in the prelude, users will need to import these any time they actually want to use the trait. This seems annoying, so let's add these traits to the prelude unstably.

We're trying to work on the general vision of `async` trait bound modifier in general in: https://github.com/rust-lang/rfcs/pull/3710, however that RFC still needs more time for consensus to converge, and we've decided that the value that users get from calling the bound `async Fn()` is *not really* worth blocking landing async closures in general.
 2024-11-24 04:53:16 +00:00
Eduardo Sánchez Muñoz
6f7dc38031 Stabilize const_float_methods 2024-11-23 18:42:44 +01:00
许杰友 Jieyou Xu (Joe)
f860f5bf90
Rollup merge of #131505 - madsmtm:darwin_user_temp_dir, r=dtolnay 
use `confstr(_CS_DARWIN_USER_TEMP_DIR, ...)` as a `TMPDIR` fallback on Darwin

Rebased version of https://github.com/rust-lang/rust/pull/100824, FCP has completed there. Motivation from https://github.com/rust-lang/rust/pull/100824#issuecomment-1262264127:

> This is a behavioral change in an edge case on Darwin platforms (macOS, iOS, ...).
>
> Specifically, this changes it so that iff `TMPDIR` is unset in the environment, then we use `confstr(_CS_DARWIN_USER_TEMP_DIR, ...)` to query the user temporary directory (previously we just returned `"/tmp"`). If this fails (probably possible in a sandboxed program), only then do we fallback to `"/tmp"` (as before).
>
> The motivations here are two-fold:
>
> 1. This is better for security, and is in line with the [platform security recommendations](https://developer.apple.com/library/archive/documentation/Security/Conceptual/SecureCodingGuide/Articles/RaceConditions.html#//apple_ref/doc/uid/TP40002585-SW10), as it is unavailable to other users (although it is the same value as seen by all other processes run by the same user).
> 2. This is a more consistent fallback for when `getenv("TMPDIR")` is unavailable, as `$TMPDIR` is usually initialized to the `DARWIN_USER_TEMP_DIR`.
>
> It seems quite unlikely that anybody will break because of this, and I think it falls under the carve-out we have for platform specific behavior: https://doc.rust-lang.org/nightly/std/io/index.html#platform-specific-behavior.

Closes https://github.com/rust-lang/rust/issues/99608.
Closes https://github.com/rust-lang/rust/pull/100824.

``@rustbot`` label O-apple T-libs-api

r? Dylan-DPC
 2024-11-23 20:19:52 +08:00
Michael Goulet
7b3e593fb1
Rollup merge of #133264 - lolbinarycat:os-string-truncate, r=joboet 
implement OsString::truncate

part of #133262
 2024-11-22 21:07:41 -05:00
Henry Jiang
c31a097d75 aix: create shim for lgammaf_r 2024-11-22 17:47:15 -05:00
许杰友 Jieyou Xu (Joe)
874cf85674
Rollup merge of #133337 - ColinFinck:thread-scoped-fix-typo, r=joboet 
Fix typo in `std:🧵:Scope::spawn` documentation.

Just a simple fix for a typo that caught my attention.
 2024-11-22 20:32:38 +08:00
许杰友 Jieyou Xu (Joe)
bbc4cbe3e2
Rollup merge of #133330 - RalfJung:close, r=the8472 
library: update comment around close()

r? `@the8472`
 2024-11-22 20:32:38 +08:00
许杰友 Jieyou Xu (Joe)
b8453c9023
Rollup merge of #133313 - thesummer:fix-arc4random, r=cuviper 
Use arc4random of libc for RTEMS target

Switch to the `arc4random` from libc. It is available since libc 0.2.162
 2024-11-22 20:32:36 +08:00
许杰友 Jieyou Xu (Joe)
9eb67bb25c
Rollup merge of #133238 - heiher:loong-stdarch-rexport, r=Amanieu 
re-export `is_loongarch_feature_detected`

r? ``@Amanieu``
 2024-11-22 20:32:34 +08:00
Colin Finck
d0384f3ba5
Fix typo in std:🧵:Scope::spawn documentation. 2024-11-22 11:51:38 +01:00
Ralf Jung
729d3aa0fe library: update comment around close() 2024-11-22 08:43:51 +01:00
Mads Marquart
f98d9dd334 Don't try to use confstr in Miri 2024-11-22 07:59:51 +01:00
Jan Sommer
a4a06b305d Use arc4random of libc for RTEMS target 
Is available since libc 0.2.162
 2024-11-21 23:10:19 +01:00
Panagiotis "Ivory" Vasilopoulos
197bba5a2e Mention that std::fs::remove_dir_all fails on files 
This is explicitly mentioned for std::fs::remove_file's documentation,
but not in the aforementioned function.

It is more likely for a slightly lazy programmer to believe that
removing a file would work and that they do not have to distinguish
between directories (with contents) and files themself, because of the
function's recursive nature and how it distinguishes between files and
directories when removing them.
 2024-11-21 17:18:39 +01:00
binarycat
7e79f91390 implement OsString::truncate 2024-11-20 15:16:05 -06:00
Matthias Krüger
71d3c7790f
Rollup merge of #130800 - bjoernager:const-mut-cursor, r=joshtriplett 
Mark `get_mut` and `set_position` in `std::io::Cursor` as const.

Relevant tracking issue: #130801

The methods `get_mut` and `set_position` can trivially be marked as const due to #57349 being stabilised.
 2024-11-20 20:10:12 +01:00
Matthias Krüger
0576cc987b
Rollup merge of #129838 - Ayush1325:uefi-process-args, r=joboet 
uefi: process: Add args support

- Wrap all args with quotes.
- Escape ^ and " inside quotes using ^.
- Doing reverse of arg parsing: d571ae851d/library/std/src/sys/pal/uefi/args.rs (L81)

 r​? joboet
 2024-11-20 20:10:11 +01:00
WANG Rui
37224817d7 re-export is_loongarch_feature_detected 2024-11-20 18:38:22 +08:00
Matthias Krüger
d5dca43df6
Rollup merge of #133183 - n0toose:improve-remove-dir-docs, r=joboet 
Mention std::fs::remove_dir_all in std::fs::remove_dir
 2024-11-19 22:24:45 +01:00
Matthias Krüger
6c127f3ffd
Rollup merge of #125405 - m-ou-se:thread-add-spawn-hook, r=WaffleLapkin 
Add std:🧵:add_spawn_hook.

Implementation of https://github.com/rust-lang/rfcs/pull/3642
 2024-11-19 22:24:44 +01:00
Mara Bos
691796be03 Update doc comments for spawn hook. 2024-11-19 18:55:52 +01:00
Mara Bos
b96f023dbd Address review comments. 
Co-authored-by: waffle <waffle.lapkin@gmail.com>
 2024-11-19 18:55:52 +01:00
Mara Bos
38b9a448c9 Fix tracking issue. 2024-11-19 18:54:21 +01:00
Mara Bos
24fec0d896 Add tracking issue. 2024-11-19 18:54:21 +01:00
Mara Bos
5a80b48fe1 Use Send + Sync for spawn hooks. 2024-11-19 18:54:20 +01:00
Mara Bos
f2bf9e198e Add thread Builder::no_hooks(). 2024-11-19 18:54:20 +01:00
Mara Bos
947354fbec Update thread spawn hooks. 
1. Make the effect thread local.
2. Don't return a io::Result from hooks.
 2024-11-19 18:54:20 +01:00
Mara Bos
ef9055f3ee Use add_spawn_hook for libtest's output capturing. 2024-11-19 18:54:20 +01:00
Mara Bos
7ac4c04731 Add std:🧵:add_spawn_hook. 2024-11-19 18:54:20 +01:00