ref: e761ce9ef2f89c9f87a4be72b88b837109630c2b
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")
}
const incvar = {
var i
for i = 0; i < 100_000; i++
thread.xadd(&val, 1)
;;
thread.xadd(&done, 1)
}