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base repository: rust-lang/rust
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base: c348b48496428c1ed7d3967e5cda81a6f1278e60
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head repository: rust-lang/rust
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compare: cf7ff15a0ddfe0713dd794cd39eb3b3b58ba8d27
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  • 1 commit
  • 10 files changed
  • 1 contributor

Commits on Oct 17, 2024

  1. Abstract the state type for futexes 

    In the same way that we expose SmallAtomic and SmallPrimitive to allow
Windows to use a value other than an AtomicU32 for its futex state, this
patch switches the primary futex state type from AtomicU32 to
futex::Atomic.  The futex::Atomic type should be usable as an atomic
value with underlying primitive type equal to futex::Primitive.

This allows supporting the futex API on systems where the underlying
kernel futex implementation requires more state than simply an
AtomicU32.

All in-tree futex implementations simply define {Atomic,Primitive}
directly as {AtomicU32,u32}.
    @paulmenage
    paulmenage committed Oct 17, 2024
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