ref: f86a95697db4370ac5fc12432aa20117d0754139
dir: /lib/thread/test/atomic.myr/
use std use thread use thrtestutil const Nherd = 20 var val : uint64 = 0 var done : uint32 = 0 const main = { done = 0 val = 0 thrtestutil.mkherd(Nherd, incvar) while thread.xget(&done) != Nherd /* nothing */ ;; std.assert(val == 2_000_000, "atomics are broken\n") testintptr() } const incvar = { var i for i = 0; i < 100_000; i++ thread.xadd(&val, 1) ;; thread.xadd(&done, 1) } const testintptr = { var i = 123 var j = 456 var p = &i std.assert(std.get(thread.xgetptr(&p))# == 123, "xgetptr is broken\n") thread.xsetptr(&p, `std.Some &j) std.assert(p# == 456, "xsetptr is broken\n") std.assert(std.get(thread.xcasptr(&p, `std.Some &j, `std.Some &i)) == &j, "xcasptr is broken\n") std.assert(p# == 123, "xcasptr is broken\n") std.assert(std.get(thread.xchgptr(&p, `std.None)) == &i, "xchgptr is broken\n") std.assert((p : std.intptr) == 0, "xchgptr is broken\n") }