ref: f86a95697db4370ac5fc12432aa20117d0754139
dir: /lib/thread/test/mutex.myr/
use std use thread use thrtestutil const Nherd = 20 var val : uint64 = 0 var mtx : thread.mutex var done const main = { mtx = thread.mkmtx() done = thread.mkwg(Nherd) thrtestutil.mkherd(Nherd, incvar) thread.wgwait(&done) if val != 1000 * (Nherd : uint64) 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.wgpost(&done) }