71 static unsigned volatile phase;  variable
98     while (i == phase) {  in client()
99       tell("thread %u in phase %u (%u), waiting\n", *number, i, phase);  in client()
102       trace("thread %u in phase %u (%u), finished, %s\n", *number, i, phase, errorstring(ret));  in client()
104 … t_error("thread %u in phase %u (%u) finished waiting: %s\n", *number, i, phase, errorstring(ret));  in client()
109 …trace("thread %u in phase %u (%u), has unlocked mutex: %s\n", *number, i, phase, errorstring(ret));  in client()
111 …t_error("thread %u in phase %u (%u), failed to unlock: %s\n", *number, i, phase, errorstring(ret));  in client()
133   while (phase < phases) {  in main()
134     while (inside[phase] < threads) {  in main()
135       trace("main seeing %u threads in phase %u, waiting\n", inside[phase], phase);  in main()
137       int ret = condition_timedwait(&cond_main, &mut[phase], &ts);  in main()
138       tell("main seeing %u threads in phase %u, %s\n", inside[phase], phase, errorstring(ret));  in main()
140 …n thread in phase %u (%u threads inside), finished waiting: %s\n", phase, inside[phase], errorstri…  in main()
147     if (phase < phases-1)  in main()
148       mutex_lock(&mut[phase+1]);  in main()
152     trace("main has broadcast to %u: %s\n", phase, errorstring(ret));  in main()
154       t_error("main broadcast in phase %u failed: %s\n", phase, errorstring(ret));  in main()
155     ++phase;  in main()
156     ret = mutex_unlock(&mut[phase-1]);  in main()
157     trace("main has unlocked mutex %u: %s\n", phase-1, errorstring(ret));  in main()
159       t_error("main failed to unlock mutex %u: %s\n", phase-1, errorstring(ret));  in main()