15 lines
330 B
Zig
15 lines
330 B
Zig
const assert = @import("std").debug.assert;
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const AtomicOrder = @import("builtin").AtomicOrder;
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test "cmpxchg" {
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var x: i32 = 1234;
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while (!@cmpxchg(&x, 1234, 5678, AtomicOrder.SeqCst, AtomicOrder.SeqCst)) {}
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assert(x == 5678);
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}
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test "fence" {
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var x: i32 = 1234;
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@fence(AtomicOrder.SeqCst);
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x = 5678;
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}
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