ref: e841ef7c45f5ed30368c5070d52e1cf5912a1a41
dir: /lib/thread/smoketest.myr/
use std
use sys
use thread
var val : uint64 = 0
var done : uint32 = 0
const setvar = {
var i
for i = 0; i < 10_000_000; i++
thread.xadd(&val, 1)
;;
std.write(1, "done\n")
thread.xset(&done, 1)
}
const main = {
var i
match thread.spawn(setvar)
| `std.Ok tid:
for i = 0; i < 100_000; i++
thread.xadd(&val, 1)
;;
while thread.xget(&done) == 0
/* nothing */
;;
std.assert(val == 10_100_000, "atomics are broken")
| `std.Fail err:
std.fatal("errno = {}\n", err)
;;
}