ref: 6042e40dd30c9e04934e635274a013f989695eb7
dir: /lib/thread/test/mutex.myr/
use std use thread use thrtestutil const Nherd = 20 var val : uint64 = 0 var done : uint32 = 0 var mtx : thread.mutex const main = { done = 0 val = 0 mtx = thread.mkmtx() thrtestutil.mkherd(Nherd, incvar) while thread.xget(&done) != Nherd /* nothing */ ;; if val != 1000 * 20 std.fatal("mutexes are broken, got {}\n", val) ;; } const incvar = { for var i = 0; i < 1000; i++ thread.mtxlock(&mtx) val++ thread.mtxunlock(&mtx) ;; thread.xadd(&done, 1) }