8000 [RFC] AtomicPerByte (aka "atomic memcpy") by m-ou-se · Pull Request #3301 · rust-lang/rfcs · GitHub
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[RFC] AtomicPerByte (aka "atomic memcpy") #3301

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[RFC] AtomicPerByte (aka "atomic memcpy") #3301

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d5393a7
Add atomic memcpy RFC.
m-ou-se Aug 14, 2022
e864d8d
Add number in atomic memcpy rfc.
m-ou-se Aug 14, 2022
d12abe9
Fix typo.
m-ou-se Aug 15, 2022
eb68c3a
Fix types of C++ API.
m-ou-se Aug 15, 2022
e802133
Better wording.
m-ou-se Aug 15, 2022
69fc8b5
Update.
m-ou-se Jul 2, 2024
6fae147
Add example.
m-ou-se Jul 3, 2024
af86156
Add note on uninitialized state.
m-ou-se Jul 3, 2024 8000
520ab88
Update.
m-ou-se Jul 3, 2024
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Fix types of C++ API.
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@m-ou-se
m-ou-se committed Aug 15, 2022
commit eb68c3a6996be0168f44cdb08a0e1b4873e60dde
4 changes: 2 additions & 2 deletions text/3301-atomic-memcpy.md
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Expand Up @@ -82,8 +82,8 @@ C++'s [P1478] proposes the addition of these two functions to the C++ standard
library to solve this problem:

```cpp
void atomic_load_per_byte_memcpy(void *dest, void *source, size_t, memory_order);
void atomic_store_per_byte_memcpy(void *dest, void *source, size_t, memory_order);
void *atomic_load_per_byte_memcpy(void *dest, const void *source, size_t, memory_order);
void *atomic_store_per_byte_memcpy(void *dest, const void *source, size_t, memory_order);
```

The first one is effectively a series of `AtomicU8::load`s followed by a memory fence,
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