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4768 commits

Author SHA1 Message Date
Federico Ponzi
2f5192280f
enable unstable open_options_ext_as_flags feature in doc comments 2020-09-22 09:54:36 +01:00
Imbolc
2a40b63662
Update addr.rs 
I little clarification
 2020-09-22 09:15:53 +03:00
ecstatic-morse
65bdf79da3
Rollup merge of #76275 - FedericoPonzi:immutable-write-impl-73836, r=dtolnay 
Implementation of Write for some immutable ref structs

Fixes  #73836
 2020-09-21 20:40:44 -07:00
blitzerr
d9d02fa168 Changing the alloc() to accept &self instead of &mut self 2020-09-21 16:43:36 -07:00
Alexis Bourget
d01bd19573 Fix missing unsafe block for target arch wasm32 2020-09-21 23:09:12 +02:00
Alexis Bourget
3afadaad4f Fix accordingly to review 2020-09-21 22:37:30 +02:00
Alexis Bourget
5d29954b2f Improve some SAFETY comments following suggestions 2020-09-21 22:37:30 +02:00
Alexis Bourget
a83b79ec31 Finished documenting all unsafe op inside unsafe fn 2020-09-21 22:37:30 +02:00
Alexis Bourget
8c9cb06c2e Deny unsafe op in unsafe fns without the unsafe keyword, first part for std/thread 2020-09-21 22:37:29 +02:00
Gray Olson
72a5cbbe81 Edit documentation for std::{f32,f64}::mul_add. 
Makes it more clear that a performance improvement is not guaranteed
when using FMA, even when the target architecture supports it natively.
 2020-09-21 13:07:48 -07:00
bors
fb1dc34a83 Auto merge of #77003 - joshtriplett:remove-duplicate-link-libraries, r=Mark-Simulacrum 
Remove duplicated library links between std and libc

The libc crate is already responsible for linking in the appropriate
libraries, and std doing the same thing results in duplicated library
names on the linker command line. Removing this duplication slightly
reduces linker time, and makes it simpler to adjust the set or order of
linked libraries in one place (such as to add static linking support).
 2020-09-21 19:52:13 +00:00
Erik Hofmayer
16eee2a04a Applied review comments 2020-09-21 21:31:01 +02:00
Ralf Jung
ae4b677aa8
Rollup merge of #76521 - tavianator:fix-pthread-getattr-destroy, r=Amanieu 
Fix segfault if pthread_getattr_np fails

glibc [destroys][1] the passed pthread_attr_t if pthread_getattr_np()
fails.  Destroying it again leads to a segfault.  Fix it by only
destroying it on success for glibc.

[1]: https://sourceware.org/git/?p=glibc.git;a=blob;f=nptl/pthread_getattr_np.c;h=ce437205e41dc05653e435f6188768cccdd91c99;hb=HEAD#l205
 2020-09-21 15:30:37 +02:00
Guillaume Gomez
be3d8e5d6c Add missing code examples on HashMap types 2020-09-21 13:32:03 +02:00
Ralf Jung
b670b86353
Rollup merge of #76936 - danielhenrymantilla:unsafecell_get_mut, r=RalfJung 
Add non-`unsafe` `.get_mut()` for `Unsafecell`

  - Tracking issue: https://github.com/rust-lang/rust/issues/76943

As discussed in: https://internals.rust-lang.org/t/add-non-unsafe-get-mut-for-unsafecell/12407

  - ### [Rendered documentation](https://modest-dubinsky-1f9f47.netlify.app/core/cell/struct.unsafecell)

This PR tries to move the sound `&mut UnsafeCell<T> -> &mut T` projection that all the "downstream" constructions were already relying on, up to the root abstraction, where it rightfully belongs, and officially blessing it.

  - this **helps reduce the amount of `unsafe` snippets out there** (_c.f._, the second commit of this PR: https://github.com/rust-lang/rust/pull/76936/commits/09503fd1b30c83ca605546fa3f899721e41e68c6)

The fact that this getter is now expose for `UnsafeCell<T>` itself, will also help convey the idea that **`UnsafeCell` is not magical _w.r.t._ `&mut` accesses**, contrary to what some people incorrectly think.

  - Even the standard library itself at some point had such a confusion, _c.f._ this comment where there is a mention of multi-threaded (and thus _shared_) access despite dealing with exclusive references over unique ownership: 59fb88d061/library/core/src/cell.rs (L498-L499)

r? @RalfJung
 2020-09-21 10:40:37 +02:00
Ralf Jung
9e2ebf31dd
Rollup merge of #76868 - poliorcetics:intra-doc-std-sync, r=jyn514 
Finish moving to intra doc links for std::sync

Helps with #75080.

@rustbot modify labels: T-doc A-intra-doc-links

r? @jyn514
 2020-09-21 10:40:33 +02:00
Josh Triplett
f9457fb809 Remove duplicated library links between std and libc 
The libc crate is already responsible for linking in the appropriate
libraries, and std doing the same thing results in duplicated library
names on the linker command line. Removing this duplication slightly
reduces linker time, and makes it simpler to adjust the set or order of
linked libraries in one place (such as to add static linking support).
 2020-09-21 01:37:15 -07:00
Federico Ponzi
0acb0ed184
Update library/std/src/process.rs 
Co-authored-by: David Tolnay <dtolnay@gmail.com>
 2020-09-21 08:12:40 +01:00
Federico Ponzi
88a29e630c
Updates stability attributes to the current nightly version 2020-09-21 08:52:59 +02:00
Alexis Bourget
aaddcdb0d0 Fix nits 2020-09-20 18:37:05 +02:00
Daniel Henry-Mantilla
5886c38112 Replace unneeded unsafe calls to .get() with calls to .get_mut() 2020-09-20 18:06:03 +02:00
Ralf Jung
dfae12fa0b
Rollup merge of #76924 - rijenkii:patch-1, r=oli-obk 
Add tracking issue for feature(unix_socket_peek)

Feature was added in #73761
 2020-09-20 15:52:06 +02:00
Ralf Jung
f24d279084
Rollup merge of #76887 - GuillaumeGomez:hashset-iter-types-examples, r=Dylan-DPC 
Add missing examples on HashSet iter types
 2020-09-20 15:51:59 +02:00
Ralf Jung
bea0ae700e
Rollup merge of #76866 - est31:master, r=lcnr 
Remove unused feature gates from library/ crates

Removes some unused feature gates from library crates. It's likely not a complete list as I only tested a subset for which it's more likely that it is unused.
 2020-09-20 15:51:50 +02:00
Erik Hofmayer
3f0f40904c Documented From impls in std/sync/mpsc/mod.rs 2020-09-20 15:50:44 +02:00
Without Boats
35b30e29bf try again to appease tidy 2020-09-20 14:38:59 +02:00
Without Boats
3fe279fc65 spend another CI build to delete a double newline 2020-09-20 14:04:23 +02:00
Without Boats
acc136ce0a fix typos 2020-09-20 13:32:49 +02:00
Oliver Scherer
b2532a8730 Implement destructuring for all aggregates and for references 2020-09-20 13:28:18 +02:00
Without Boats
82f5928ca6 Make RawFd implement the RawFd traits 2020-09-20 13:21:42 +02:00
Ralf Jung
6d0890ec83
Rollup merge of #76845 - Amjad50:fix-intra-docs-links, r=jyn514 
Use intra docs links in core::{ascii, option, str, pattern, hash::map}

Partial fix for #75080

@rustbot modify labels: T-doc A-intra-doc-links

r? @jyn514
 2020-09-20 12:08:33 +02:00
est31
562422ecf7 Remove some unused features from alloc core and std 2020-09-20 04:29:11 +02:00
Mara Bos
26d6081f1d Relax promises about condition variable. 
This allows for futex or thread parking based implementations in the
future.
 2020-09-19 18:48:39 +02:00
rijenkii
a60f97849b
Add tracking issue for feature(unix_socket_peek) 2020-09-19 21:55:01 +07:00
Ralf Jung
b4c3f409af
Rollup merge of #76798 - alistair23:alistair/rv32-linux, r=jyn514 
Build fixes for RISC-V 32-bit Linux support

This fixes build issues with the 32-bit RISC-V port.
 2020-09-19 11:47:56 +02:00
Ralf Jung
44be933ff7
Rollup merge of #73963 - hellow554:unsafe_path, r=Mark-Simulacrum 
deny(unsafe_op_in_unsafe_fn) in libstd/path.rs

The libstd/path.rs part of #73904 . Wraps the two calls to an unsafe fn Initializer::nop() in an unsafe block.
 2020-09-19 11:47:31 +02:00
Guillaume Gomez
28588e5df1 Add missing examples on HashSet iter types 2020-09-18 20:09:31 +02:00
Alexis Bourget
b534d9f6e1 Fix broken link 2020-09-18 12:32:23 +02:00
Alexis Bourget
bffd2111f7 Finish moving to intra doc links for std::sync 2020-09-18 11:09:36 +02:00
est31
baafc71f1f Remove unused libc feature gate 
Libc isn't used by alloc.
And std and panic_* use libc from crates.io now,
which isn't feature gated.
 2020-09-18 08:59:43 +02:00
Amjad Alsharafi
878dfa6718 Fixed intra-docs links in library/std/src/collections/hash/map.rs 2020-09-18 07:50:22 +08:00
bors
f3c923a13a Auto merge of #76645 - fusion-engineering-forks:windows-lock, r=kennytm 
Small cleanups in Windows Mutex.

 - Move `held` into the boxed part, since the SRW lock implementation does not use this. This makes the Mutex 50% smaller.
 - Use `Cell` instead of `UnsafeCell` for `held`, such that `.replace()` can be used.
 - Add some comments.
 - Avoid creating multiple `&mut`s to the critical section object in `ReentrantMutex`.
 2020-09-17 19:23:58 +00:00
Tyler Mandry
273267c9ee
Rollup merge of #76759 - yoshuawuyts:fix-future-pending-ready-stabilization-label, r=Dylan-DPC 
Fix stabilization marker for future_readiness_fns

Updated the rustc version in which this will be stabilized from `1.47.0 -> 1.48.0`. Fixes https://github.com/rust-lang/rust/pull/74328#issuecomment-692133125. Ref #70921.

r? @Dylan-DPC
 2020-09-16 12:24:21 -07:00
Tyler Mandry
ab207743af
Rollup merge of #76758 - adamlesinski:clone_clock, r=tmandry 
[fuchsia] Propagate the userspace UTC clock

On Fuchsia, spawning a subprocess does not automatically
clone all of the parent process' capabilities. UTC time on
Fuchsia is managed by a top-level userspace clock capability
that is cloned and passed to subprocesses.

This change ensures that any Rust subprocess gets access to the
UTC clock, if the parent had access to it. This is critical for
tests, which on Fuchsia, use panic=abort and spawn subprocesses
per test.
 2020-09-16 12:24:19 -07:00
Mara Bos
0bb96e7490 Avoid creating &muts in Windows ReentrantMutex. 2020-09-16 21:16:32 +02:00
Mara Bos
3fadc603ab Don't use mut in Windows Mutex. 2020-09-16 21:09:53 +02:00
Federico Ponzi
70292d4506
Sets as_flags as unstable 2020-09-16 19:40:44 +02:00
Alistair Francis
cf075355da library/std: sys_common: Add support for RISC-V 32-bit 
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
 2020-09-16 08:45:08 -07:00
Alistair Francis
cd066c9deb library/std: raw: Add support for RISC-V 32-bit 
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
 2020-09-16 08:44:35 -07:00
Alistair Francis
84fe26c4d3 library/std: linux: Add support for RISC-V 32-bit 
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
 2020-09-16 08:43:54 -07:00