38 lines
1.0 KiB
Rust
38 lines
1.0 KiB
Rust
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#[abi = "rust-intrinsic"]
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native mod rusti {
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fn atomic_xchng(&dst: int, src: int) -> int;
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fn atomic_xchng_acq(&dst: int, src: int) -> int;
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fn atomic_xchng_rel(&dst: int, src: int) -> int;
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fn atomic_add(&dst: int, src: int) -> int;
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fn atomic_add_acq(&dst: int, src: int) -> int;
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fn atomic_add_rel(&dst: int, src: int) -> int;
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fn atomic_sub(&dst: int, src: int) -> int;
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fn atomic_sub_acq(&dst: int, src: int) -> int;
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fn atomic_sub_rel(&dst: int, src: int) -> int;
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}
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fn main() {
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let mut x = 1;
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assert rusti::atomic_xchng(x, 0) == 1;
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assert x == 0;
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assert rusti::atomic_xchng_acq(x, 1) == 0;
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assert x == 1;
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assert rusti::atomic_xchng_rel(x, 0) == 1;
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assert x == 0;
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assert rusti::atomic_add(x, 1) == 0;
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assert rusti::atomic_add_acq(x, 1) == 1;
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assert rusti::atomic_add_rel(x, 1) == 2;
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assert x == 3;
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assert rusti::atomic_sub(x, 1) == 3;
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assert rusti::atomic_sub_acq(x, 1) == 2;
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assert rusti::atomic_sub_rel(x, 1) == 1;
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assert x == 0;
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}
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