43   var scheduler = new Scheduler();
44   scheduler.addIdleTask(ID_IDLE, 0, null, COUNT);
48   scheduler.addWorkerTask(ID_WORKER, 1000, queue);
53   scheduler.addHandlerTask(ID_HANDLER_A, 2000, queue);
58   scheduler.addHandlerTask(ID_HANDLER_B, 3000, queue);
60   scheduler.addDeviceTask(ID_DEVICE_A, 4000, null);
62   scheduler.addDeviceTask(ID_DEVICE_B, 5000, null);
64   scheduler.schedule();
66   if (scheduler.queueCount != EXPECTED_QUEUE_COUNT ||
67       scheduler.holdCount != EXPECTED_HOLD_COUNT) {
69         "Error during execution: queueCount = " + scheduler.queueCount +
70         ", holdCount = " + scheduler.holdCount + ".";
363 function IdleTask(scheduler, v1, count) {  argument
364   this.scheduler = scheduler;
371   if (this.count == 0) return this.scheduler.holdCurrent();
374     return this.scheduler.release(ID_DEVICE_A);
377     return this.scheduler.release(ID_DEVICE_B);
391 function DeviceTask(scheduler) {  argument
392   this.scheduler = scheduler;
398     if (this.v1 == null) return this.scheduler.suspendCurrent();
401     return this.scheduler.queue(v);
404     return this.scheduler.holdCurrent();
419 function WorkerTask(scheduler, v1, v2) {  argument
420   this.scheduler = scheduler;
427     return this.scheduler.suspendCurrent();
441     return this.scheduler.queue(packet);
454 function HandlerTask(scheduler) {  argument
455   this.scheduler = scheduler;
477         return this.scheduler.queue(v);
482       return this.scheduler.queue(v);
485   return this.scheduler.suspendCurrent();