28 static void fail(const char *what) {  in fail()  function
44     fail("sem_post failed");  in SuspendHandler()
52     fail("sem_post failed");  in SuspendHandler()
65     fail("pthread_kill failed");  in StopWorld()
69       fail("sem_wait failed");  in StopWorld()
75     fail("pthread_kill failed");  in StartWorld()
79       fail("sem_wait failed");  in StartWorld()
91     fail("sem_init failed");  in Init()
97     fail("sigaction failed");  in Init()
100     fail("sigaction failed");  in Init()
115     fail("pthread_create failed");  in main()
118     fail("pthread_join failed");  in main()