chore: replace deprecated compare_and_swap with compare_exchange #3331
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taiki-e
changed the title
Darksonn
reviewed
Dec 25, 2020
…omicU64 loom provides AtomicU64 on all platforms, so it makes sense to define it in loom/std/atomic_u64.rs.
Darksonn
approved these changes
Dec 26, 2020
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Motivation
compare_and_swapis deprecated in 1.50. (rust-lang/rust#79261)Solution
This patch replaces the uses of
compare_and_swapwithcompare_exchange.See also the document about
compare_and_swap->compare_exchange(_weak)migration: https://doc.rust-lang.org/nightly/core/sync/atomic/struct.AtomicUsize.html#migrating-to-compare_exchange-and-compare_exchange_weak