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66 commits

Author SHA1 Message Date
Jorge Aparicio
e4f9db7b8f core: fix unused_macro warning 
when compiling the crate for a target with max-atomic-width = 0

fixes #42097
 2017-05-18 23:33:08 -05:00
Corey Farwell
1a5284c32b Rollup merge of #41217 - topecongiro:docs/atomic-fence, r=steveklabnik 
Update docs of 'fence'

This PR updates the docs for `std::sync::atomic::fence` with an example and a diagram.
Part of #29377.
r? @steveklabnik
 2017-05-02 21:21:17 -04:00
Steven Stewart-Gallus
f4fe3cd0e9 Added spin loop pause function 2017-05-01 17:11:44 -07:00
topecongiro
91a9866bb3 Add an example for 'fence' 2017-05-01 17:25:07 +09:00
Jon Gjengset
368d56010a
Rename compiler_barrier to compiler_fence 
This addresses concerns raised following the merge of #41092.
Specifically:

> The naming of these seems surprising: the multithreaded functions (and
> both the single and multithreaded intrinsics themselves) are fences,
> but this is a barrier. It's not incorrect, but the latter is both
> inconsistent with the existing functions and slightly confusing with
> another type in std (e.g., `Barrier`).

`compiler_fence` carries the same semantic implication that this is a
compiler-only operation, while being more in line with the fence/barrier
concepts already in use in `std`.
 2017-04-13 10:27:52 -04:00
bors
b2d9b6323e Auto merge of #41092 - jonhoo:std-fence-intrinsics, r=alexcrichton 
Add safe wrapper for atomic_compilerfence intrinsics

This PR adds a proposed safe wrapper for the `atomic_singlethreadfence_*` intrinsics introduced by [RFC #888](https://github.com/rust-lang/rfcs/pull/888). See #41091 for further discussion.
 2017-04-08 22:37:35 +00:00
Stjepan Glavina
f7ffe5bd24 Replace compare_exchange with swap 2017-04-07 18:04:15 +02:00
Stjepan Glavina
5c5a5182c9 Optimize AtomicBool::fetch_nand 2017-04-07 17:36:50 +02:00
Oliver Middleton
b4be475836 Fix Markdown issues in the docs 
* Since the switch to pulldown-cmark reference links need a blank line
before the URLs.
* Reference link references are not case sensitive.
* Doc comments need to be indented uniformly otherwise rustdoc gets
confused.
 2017-04-06 12:57:40 +01:00
Jon Gjengset
f6d262a326
Add unstable book entry 2017-04-06 03:37:08 -04:00
Ariel Ben-Yehuda
fc5ff66b04 Rollup merge of #40927 - stjepang:docs-atomic-overflow-note, r=alexcrichton 
Add a note about overflow for fetch_add/fetch_sub

Fixes #40916
Fixes #34618

r? @steveklabnik
 2017-04-05 23:01:07 +00:00
Jon Gjengset
2598e4574e
Add safe wrapper for atomic_singlethreadfence_* 2017-04-05 15:46:55 -04:00
Stjepan Glavina
2946c41c05 More consistent wording 2017-03-30 16:23:46 +02:00
Stjepan Glavina
3fa28cc11e Add a note about overflow for fetch_add/fetch_sub 2017-03-30 16:10:55 +02:00
projektir
4ea03c876b Fixing formatting issues #29377 2017-03-29 00:52:16 -04:00
projektir
756f2248f7 Adding links for Atomics docs #29377 2017-03-27 23:55:03 -04:00
Alex Crichton
bfa264271c Revert "Add 128-bit atomics" 
This reverts commit 9903975003.
 2017-02-06 10:39:14 -08:00
Corey Farwell
c4c6c49e52 Rollup merge of #38959 - Amanieu:atomic128, r=alexcrichton 
Add 128-bit atomics

This is currently only supported on AArch64 since that is the only target which unconditionally supports 128-bit atomic operations.

cc #35118
 2017-02-05 09:14:37 -05:00
Oliver Middleton
09b3903aec Fix a few links in the docs 2017-01-27 18:08:51 +00:00
Geoff Yoerger
c0a5b99f01 Revert previous commit 2017-01-20 09:25:03 -06:00
Geoff Yoerger
dfa9736e9f Clarify the default option to use 2017-01-19 21:43:34 -06:00
Geoff Yoerger
02ead27c93 Into item level docs (enum Ordering) 2017-01-19 20:43:43 -06:00
Geoff Yoerger
c4c9ff2f00 '.' 2017-01-19 20:39:54 -06:00
Geoff Yoerger
b4192aa4df Module level doc 2017-01-19 20:38:26 -06:00
Amanieu d'Antras
9903975003 Add 128-bit atomics 2017-01-10 13:20:38 +01:00
Alex Crichton
c41256c36f Rollup merge of #38674 - GuillaumeGomez:atomic_fn_docs, r=frewsxcv 
Add missing urls for atomic fn docs

r? @frewsxcv
 2016-12-29 17:26:38 -08:00
Alex Crichton
3c8a17f4b0 Rollup merge of #38649 - GuillaumeGomez:atomicint_docs, r=frewsxcv 
Add missing urls for atomic_int macros types

r? @frewsxcv
 2016-12-29 17:26:30 -08:00
Alex Crichton
8b8ab85551 Rollup merge of #38635 - GuillaumeGomez:atomicptr_docs, r=frewsxcv 
Add missing urls for AtomicPtr

r? @frewsxcv
 2016-12-29 17:26:28 -08:00
Guillaume Gomez
c8e7b76d9b Add missing urls for atomic fn docs 2016-12-29 11:31:16 +01:00
Guillaume Gomez
ef8d5e14b1 Add missing urls for AtomicPtr 2016-12-28 11:06:17 +01:00
Guillaume Gomez
94d58c203e Add missing urls for atomic_int macros types 2016-12-28 11:00:53 +01:00
Guillaume Gomez
3907b93c57 Add missing urls in AtomicBool docs 2016-12-26 10:51:25 +01:00
Aaron Turon
e5363881a9 Stabilize std::sync::atomic::Atomic*::{get_mut, into_inner} 2016-12-15 10:56:55 -08:00
Amanieu d'Antras
5a2fb8806b Prevent exhaustive matching of Ordering to allow for future extension 2016-10-23 11:56:51 +01:00
Srinivas Reddy Thatiparthy
5afd6d8206
Run rustfmt on libcore/sync folder 2016-10-16 22:11:01 +05:30
Guillaume Gomez
a638580c08 fix typos 2016-10-02 14:45:49 +02:00
athulappadan
41881e85bd Documentation for default types modified 2016-09-11 22:58:01 +05:30
athulappadan
49e77dbf25 Documentation of what does for each type 2016-09-11 17:00:09 +05:30
Jeffrey Seyfried
e2ad3be178 Use #[prelude_import] in libcore. 2016-08-24 22:12:23 +00:00
bors
413ada3040 Auto merge of #35719 - Amanieu:atomic_access, r=alexcrichton 
Implement RFC 1649

cc #35603 rust-lang/rfcs#1649

r? @alexcrichton
 2016-08-18 18:44:54 -07:00
Amanieu d'Antras
330b7f7359 Implement RFC 1649 2016-08-16 22:22:53 +01:00
Andrii Dmytrenko
4b54dd7fd9
Use an existing constant name as an example. 2016-08-11 11:41:44 +01:00
Jorge Aparicio
5f80104431 core: fix cargo build for targets with "max-atomic-width": 0 
This crate was failing to compile due to dead_code/unused_imports
warnings. This commits disables these two lints for these targets.
 2016-08-02 14:34:40 -05:00
Wojciech Nawrocki
8841f26e94 atomic doc: fix statement 2016-06-02 19:36:10 +02:00
Alex Crichton
fa45670ce4 mk: Prepare for a new stage0 compiler 
This commit prepares the source for a new stage0 compiler, the 1.10.0 beta
compiler. These artifacts are hot off the bots and should be ready to go.
 2016-05-31 16:11:49 -07:00
bors
d5759a3417 Auto merge of #33699 - alexcrichton:stabilize-1.10, r=aturon 
std: Stabilize APIs for the 1.10 release

This commit applies the FCP decisions made by the libs team for the 1.10 cycle,
including both new stabilizations and deprecations. Specifically, the list of
APIs is:

Stabilized:

* `os::windows::fs::OpenOptionsExt::access_mode`
* `os::windows::fs::OpenOptionsExt::share_mode`
* `os::windows::fs::OpenOptionsExt::custom_flags`
* `os::windows::fs::OpenOptionsExt::attributes`
* `os::windows::fs::OpenOptionsExt::security_qos_flags`
* `os::unix::fs::OpenOptionsExt::custom_flags`
* `sync::Weak::new`
* `Default for sync::Weak`
* `panic::set_hook`
* `panic::take_hook`
* `panic::PanicInfo`
* `panic::PanicInfo::payload`
* `panic::PanicInfo::location`
* `panic::Location`
* `panic::Location::file`
* `panic::Location::line`
* `ffi::CStr::from_bytes_with_nul`
* `ffi::CStr::from_bytes_with_nul_unchecked`
* `ffi::FromBytesWithNulError`
* `fs::Metadata::modified`
* `fs::Metadata::accessed`
* `fs::Metadata::created`
* `sync::atomic::Atomic{Usize,Isize,Bool,Ptr}::compare_exchange`
* `sync::atomic::Atomic{Usize,Isize,Bool,Ptr}::compare_exchange_weak`
* `collections::{btree,hash}_map::{Occupied,Vacant,}Entry::key`
* `os::unix::net::{UnixStream, UnixListener, UnixDatagram, SocketAddr}`
* `SocketAddr::is_unnamed`
* `SocketAddr::as_pathname`
* `UnixStream::connect`
* `UnixStream::pair`
* `UnixStream::try_clone`
* `UnixStream::local_addr`
* `UnixStream::peer_addr`
* `UnixStream::set_read_timeout`
* `UnixStream::set_write_timeout`
* `UnixStream::read_timeout`
* `UnixStream::write_Timeout`
* `UnixStream::set_nonblocking`
* `UnixStream::take_error`
* `UnixStream::shutdown`
* Read/Write/RawFd impls for `UnixStream`
* `UnixListener::bind`
* `UnixListener::accept`
* `UnixListener::try_clone`
* `UnixListener::local_addr`
* `UnixListener::set_nonblocking`
* `UnixListener::take_error`
* `UnixListener::incoming`
* RawFd impls for `UnixListener`
* `UnixDatagram::bind`
* `UnixDatagram::unbound`
* `UnixDatagram::pair`
* `UnixDatagram::connect`
* `UnixDatagram::try_clone`
* `UnixDatagram::local_addr`
* `UnixDatagram::peer_addr`
* `UnixDatagram::recv_from`
* `UnixDatagram::recv`
* `UnixDatagram::send_to`
* `UnixDatagram::send`
* `UnixDatagram::set_read_timeout`
* `UnixDatagram::set_write_timeout`
* `UnixDatagram::read_timeout`
* `UnixDatagram::write_timeout`
* `UnixDatagram::set_nonblocking`
* `UnixDatagram::take_error`
* `UnixDatagram::shutdown`
* RawFd impls for `UnixDatagram`
* `{BTree,Hash}Map::values_mut`
* `<[_]>::binary_search_by_key`

Deprecated:

* `StaticCondvar` - this, and all other static synchronization primitives
                    below, are usable today through the lazy-static crate on
                    stable Rust today. Additionally, we'd like the non-static
                    versions to be directly usable in a static context one day,
                    so they're unlikely to be the final forms of the APIs in any
                    case.
* `CONDVAR_INIT`
* `StaticMutex`
* `MUTEX_INIT`
* `StaticRwLock`
* `RWLOCK_INIT`
* `iter::Peekable::is_empty`

Closes #27717
Closes #27720
Closes #30014
Closes #30425
Closes #30449
Closes #31190
Closes #31399
Closes #31767
Closes #32111
Closes #32281
Closes #32312
Closes #32551
Closes #33018
 2016-05-25 20:36:09 -07:00
Alex Crichton
cae91d7c8c std: Stabilize APIs for the 1.10 release 
This commit applies the FCP decisions made by the libs team for the 1.10 cycle,
including both new stabilizations and deprecations. Specifically, the list of
APIs is:

Stabilized:

* `os::windows::fs::OpenOptionsExt::access_mode`
* `os::windows::fs::OpenOptionsExt::share_mode`
* `os::windows::fs::OpenOptionsExt::custom_flags`
* `os::windows::fs::OpenOptionsExt::attributes`
* `os::windows::fs::OpenOptionsExt::security_qos_flags`
* `os::unix::fs::OpenOptionsExt::custom_flags`
* `sync::Weak::new`
* `Default for sync::Weak`
* `panic::set_hook`
* `panic::take_hook`
* `panic::PanicInfo`
* `panic::PanicInfo::payload`
* `panic::PanicInfo::location`
* `panic::Location`
* `panic::Location::file`
* `panic::Location::line`
* `ffi::CStr::from_bytes_with_nul`
* `ffi::CStr::from_bytes_with_nul_unchecked`
* `ffi::FromBytesWithNulError`
* `fs::Metadata::modified`
* `fs::Metadata::accessed`
* `fs::Metadata::created`
* `sync::atomic::Atomic{Usize,Isize,Bool,Ptr}::compare_exchange`
* `sync::atomic::Atomic{Usize,Isize,Bool,Ptr}::compare_exchange_weak`
* `collections::{btree,hash}_map::{Occupied,Vacant,}Entry::key`
* `os::unix::net::{UnixStream, UnixListener, UnixDatagram, SocketAddr}`
* `SocketAddr::is_unnamed`
* `SocketAddr::as_pathname`
* `UnixStream::connect`
* `UnixStream::pair`
* `UnixStream::try_clone`
* `UnixStream::local_addr`
* `UnixStream::peer_addr`
* `UnixStream::set_read_timeout`
* `UnixStream::set_write_timeout`
* `UnixStream::read_timeout`
* `UnixStream::write_Timeout`
* `UnixStream::set_nonblocking`
* `UnixStream::take_error`
* `UnixStream::shutdown`
* Read/Write/RawFd impls for `UnixStream`
* `UnixListener::bind`
* `UnixListener::accept`
* `UnixListener::try_clone`
* `UnixListener::local_addr`
* `UnixListener::set_nonblocking`
* `UnixListener::take_error`
* `UnixListener::incoming`
* RawFd impls for `UnixListener`
* `UnixDatagram::bind`
* `UnixDatagram::unbound`
* `UnixDatagram::pair`
* `UnixDatagram::connect`
* `UnixDatagram::try_clone`
* `UnixDatagram::local_addr`
* `UnixDatagram::peer_addr`
* `UnixDatagram::recv_from`
* `UnixDatagram::recv`
* `UnixDatagram::send_to`
* `UnixDatagram::send`
* `UnixDatagram::set_read_timeout`
* `UnixDatagram::set_write_timeout`
* `UnixDatagram::read_timeout`
* `UnixDatagram::write_timeout`
* `UnixDatagram::set_nonblocking`
* `UnixDatagram::take_error`
* `UnixDatagram::shutdown`
* RawFd impls for `UnixDatagram`
* `{BTree,Hash}Map::values_mut`
* `<[_]>::binary_search_by_key`

Deprecated:

* `StaticCondvar` - this, and all other static synchronization primitives
                    below, are usable today through the lazy-static crate on
                    stable Rust today. Additionally, we'd like the non-static
                    versions to be directly usable in a static context one day,
                    so they're unlikely to be the final forms of the APIs in any
                    case.
* `CONDVAR_INIT`
* `StaticMutex`
* `MUTEX_INIT`
* `StaticRwLock`
* `RWLOCK_INIT`
* `iter::Peekable::is_empty`

Closes #27717
Closes #27720
cc #27784 (but encode methods still exist)
Closes #30014
Closes #30425
Closes #30449
Closes #31190
Closes #31399
Closes #31767
Closes #32111
Closes #32281
Closes #32312
Closes #32551
Closes #33018
 2016-05-24 09:00:39 -07:00
Stefan Schindler
22615adf02 Catch thread in example 
- Consume result of thread join()
 - Add link to threading model
 2016-05-19 23:05:08 +02:00
Manish Goregaokar
0ceb073038 Rollup merge of #33534 - dns2utf8:atomic_docs, r=GuillaumeGomez 
Simplify text

This way it should be clear: Any number of other threads have this guaranty not just one other thread.
 2016-05-15 20:13:41 +05:30
Amanieu d'Antras
915fa57a93 Make AtomicBool the same size as bool 2016-05-13 17:54:06 +01:00