1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
# Version 0.8.15
- Add `#[clippy::has_significant_drop]` to `ShardedLock{Read,Write}Guard`. (#958)
- Improve handling of very large timeout. (#953)
- Soft-deprecate `thread::scope()` in favor of the more efficient `std::thread::scope` that stabilized on Rust 1.63. (#954)
# Version 0.8.14
- Fix build script bug introduced in 0.8.13. (#932)
# Version 0.8.13
**Note:** This release has been yanked due to regression fixed in 0.8.14.
- Improve support for custom targets. (#922)
# Version 0.8.12
- Removes the dependency on the `once_cell` crate to restore the MSRV. (#913)
- Work around [rust-lang#98302](https://github.com/rust-lang/rust/issues/98302), which causes compile error on windows-gnu when LTO is enabled. (#913)
# Version 0.8.11
- Bump the minimum supported Rust version to 1.38. (#877)
# Version 0.8.10
- Fix unsoundness of `AtomicCell` on types containing niches. (#834)
This fix contains breaking changes, but they are allowed because this is a soundness bug fix. See #834 for more.
# Version 0.8.9
- Replace lazy_static with once_cell. (#817)
# Version 0.8.8
- Fix a bug when unstable `loom` support is enabled. (#787)
# Version 0.8.7
- Add `AtomicCell<{i*,u*}>::{fetch_max,fetch_min}`. (#785)
- Add `AtomicCell<{i*,u*,bool}>::fetch_nand`. (#785)
- Fix unsoundness of `AtomicCell<{i,u}64>` arithmetics on 32-bit targets that support `Atomic{I,U}64` (#781)
# Version 0.8.6
**Note:** This release has been yanked. See [GHSA-qc84-gqf4-9926](https://github.com/crossbeam-rs/crossbeam/security/advisories/GHSA-qc84-gqf4-9926) for details.
- Re-add `AtomicCell<{i,u}64>::{fetch_add,fetch_sub,fetch_and,fetch_or,fetch_xor}` that were accidentally removed in 0.8.0 on targets that do not support `Atomic{I,U}64`. (#767)
- Re-add `AtomicCell<{i,u}128>::{fetch_add,fetch_sub,fetch_and,fetch_or,fetch_xor}` that were accidentally removed in 0.8.0. (#767)
# Version 0.8.5
**Note:** This release has been yanked. See [GHSA-qc84-gqf4-9926](https://github.com/crossbeam-rs/crossbeam/security/advisories/GHSA-qc84-gqf4-9926) for details.
- Add `AtomicCell::fetch_update`. (#704)
- Support targets that do not have atomic CAS on stable Rust. (#698)
# Version 0.8.4
**Note:** This release has been yanked. See [GHSA-qc84-gqf4-9926](https://github.com/crossbeam-rs/crossbeam/security/advisories/GHSA-qc84-gqf4-9926) for details.
- Bump `loom` dependency to version 0.5. (#686)
# Version 0.8.3
**Note:** This release has been yanked. See [GHSA-qc84-gqf4-9926](https://github.com/crossbeam-rs/crossbeam/security/advisories/GHSA-qc84-gqf4-9926) for details.
- Make `loom` dependency optional. (#666)
# Version 0.8.2
**Note:** This release has been yanked. See [GHSA-qc84-gqf4-9926](https://github.com/crossbeam-rs/crossbeam/security/advisories/GHSA-qc84-gqf4-9926) for details.
- Deprecate `AtomicCell::compare_and_swap`. Use `AtomicCell::compare_exchange` instead. (#619)
- Add `Parker::park_deadline`. (#563)
- Improve implementation of `CachePadded`. (#636)
- Add unstable support for `loom`. (#487)
# Version 0.8.1
**Note:** This release has been yanked. See [GHSA-qc84-gqf4-9926](https://github.com/crossbeam-rs/crossbeam/security/advisories/GHSA-qc84-gqf4-9926) for details.
- Make `AtomicCell::is_lock_free` always const fn. (#600)
- Fix a bug in `seq_lock_wide`. (#596)
- Remove `const_fn` dependency. (#600)
- `crossbeam-utils` no longer fails to compile if unable to determine rustc version. Instead, it now displays a warning. (#604)
# Version 0.8.0
**Note:** This release has been yanked. See [GHSA-qc84-gqf4-9926](https://github.com/crossbeam-rs/crossbeam/security/advisories/GHSA-qc84-gqf4-9926) for details.
- Bump the minimum supported Rust version to 1.36.
- Remove deprecated `AtomicCell::get_mut()` and `Backoff::is_complete()` methods.
- Remove `alloc` feature.
- Make `CachePadded::new()` const function.
- Make `AtomicCell::is_lock_free()` const function at 1.46+.
- Implement `From<T>` for `AtomicCell<T>`.
# Version 0.7.2
- Fix bug in release (yanking 0.7.1)
# Version 0.7.1
- Bump `autocfg` dependency to version 1.0. (#460)
- Make `AtomicCell` lockfree for u8, u16, u32, u64 sized values at 1.34+. (#454)
# Version 0.7.0
- Bump the minimum required version to 1.28.
- Fix breakage with nightly feature due to rust-lang/rust#65214.
- Apply `#[repr(transparent)]` to `AtomicCell`.
- Make `AtomicCell::new()` const function at 1.31+.
# Version 0.6.6
- Add `UnwindSafe` and `RefUnwindSafe` impls for `AtomicCell`.
- Add `AtomicCell::as_ptr()`.
- Add `AtomicCell::take()`.
- Fix a bug in `AtomicCell::compare_exchange()` and `AtomicCell::compare_and_swap()`.
- Various documentation improvements.
# Version 0.6.5
- Rename `Backoff::is_complete()` to `Backoff::is_completed()`.
# Version 0.6.4
- Add `WaitGroup`, `ShardedLock`, and `Backoff`.
- Add `fetch_*` methods for `AtomicCell<i128>` and `AtomicCell<u128>`.
- Expand documentation.
# Version 0.6.3
- Add `AtomicCell`.
- Improve documentation.
# Version 0.6.2
- Add `Parker`.
- Improve documentation.
# Version 0.6.1
- Fix a soundness bug in `Scope::spawn()`.
- Remove the `T: 'scope` bound on `ScopedJoinHandle`.
# Version 0.6.0
- Move `AtomicConsume` to `atomic` module.
- `scope()` returns a `Result` of thread joins.
- Remove `spawn_unchecked`.
- Fix a soundness bug due to incorrect lifetimes.
- Improve documentation.
- Support nested scoped spawns.
- Implement `Copy`, `Hash`, `PartialEq`, and `Eq` for `CachePadded`.
- Add `CachePadded::into_inner()`.
# Version 0.5.0
- Reorganize sub-modules and rename functions.
# Version 0.4.1
- Fix a documentation link.
# Version 0.4.0
- `CachePadded` supports types bigger than 64 bytes.
- Fix a bug in scoped threads where unitialized memory was being dropped.
- Minimum required Rust version is now 1.25.
# Version 0.3.2
- Mark `load_consume` with `#[inline]`.
# Version 0.3.1
- `load_consume` on ARM and AArch64.
# Version 0.3.0
- Add `join` for scoped thread API.
- Add `load_consume` for atomic load-consume memory ordering.
- Remove `AtomicOption`.
# Version 0.2.2
- Support Rust 1.12.1.
- Call `T::clone` when cloning a `CachePadded<T>`.
# Version 0.2.1
- Add `use_std` feature.
# Version 0.2.0
- Add `nightly` feature.
- Use `repr(align(64))` on `CachePadded` with the `nightly` feature.
- Implement `Drop` for `CachePadded<T>`.
- Implement `Clone` for `CachePadded<T>`.
- Implement `From<T>` for `CachePadded<T>`.
- Implement better `Debug` for `CachePadded<T>`.
- Write more tests.
- Add this changelog.
- Change cache line length to 64 bytes.
- Remove `ZerosValid`.
# Version 0.1.0
- Old implementation of `CachePadded` from `crossbeam` version 0.3.0
|
