zig/test/cases/atomics.zig
2017-01-05 03:57:48 -05:00

18 lines
320 B
Zig

const assert = @import("std").debug.assert;
fn cmpxchg() {
@setFnTest(this);
var x: i32 = 1234;
while (!@cmpxchg(&x, 1234, 5678, AtomicOrder.SeqCst, AtomicOrder.SeqCst)) {}
assert(x == 5678);
}
fn fence() {
@setFnTest(this);
var x: i32 = 1234;
@fence(AtomicOrder.SeqCst);
x = 5678;
}