@Override
protected void initialize() {
SharedResource shared = new SharedResource();
MyPEH1 myPEH1 =
new MyPEH1(
new PriorityParameters(12),
new PeriodicParameters(
new RelativeTime(Clock.getRealtimeClock()),
new RelativeTime(50, 0, Clock.getRealtimeClock())),
storageParameters_Handlers,
shared,
this);
myPEH1.register();
PeriodicEventHandler myPEH2 =
new MyPEH2(
new PriorityParameters(12),
new PeriodicParameters(
new RelativeTime(0, 0, Clock.getRealtimeClock()),
new RelativeTime(50, 0, Clock.getRealtimeClock())),
storageParameters_Handlers,
shared);
myPEH2.register();
Services.setCeiling(shared, 12);
}
private PriorityScheduler() {
int[] schedulerStack = new int[Const.PRIORITY_SCHEDULER_STACK_SIZE];
this.pFrame = new PriorityFrame(Const.DEFAULT_PRIORITY_QUEUE_SIZE);
this.prioritySchedulerImpl = new PrioritySchedulerImpl();
vm.ClockInterruptHandler.initialize(this.prioritySchedulerImpl, schedulerStack);
this.rtClock = Clock.getRealtimeClock();
this.now = new AbsoluteTime(this.rtClock);
rtClock.getTime(this.now);
this.timeGrain = new RelativeTime(0, 0, this.rtClock);
rtClock.getResolution(this.timeGrain);
scheduler = this;
}
public void addEvent(String message) {
if (Const.ENABLE_LOG) {
Clock.getRealtimeClock().getTime(ImmortalEntry.clk);
logMilis[i] = ImmortalEntry.clk.getMilliseconds();
logNanos[i] = ImmortalEntry.clk.getNanoseconds();
logEvent[i] = message;
i++;
if (i == Const.MAX_LOG_EVENTS) {
i = 0;
}
if (ImmortalEntry.eventsLogged < Const.MAX_LOG_EVENTS) {
ImmortalEntry.eventsLogged++;
}
}
}
@IcecapCompileMe
ScjProcess move() {
if (current == ScjProcess.idleProcess) {
pFrame.readyQueue.insert(current);
} else {
current.gotoNextState(pFrame);
}
// Move processes from sleepingQueue to readyQueue
ScjProcess process = pFrame.sleepingQueue.minimum();
rtClock.getTime(now);
while (process != null && process.next.compareTo(now) <= 0) {
process.state = ScjProcess.State.READY;
ScjProcess t = pFrame.sleepingQueue.extractMin();
// devices.Console.println("PrSch.move:sleep --> ready: " + t.index);
pFrame.readyQueue.insert(t);
// look at "next" process in sleeping queue with smallest
// activationTime
process = pFrame.sleepingQueue.minimum();
}
// get next process from readyQueue
ScjProcess nextProcess = pFrame.readyQueue.extractMax();
nextProcess.state = ScjProcess.State.EXECUTING;
current = nextProcess;
if (current == ScjProcess.idleProcess
&& pFrame.sleepingQueue.heapSize == 0
&& pFrame.waitQueue.heapSize == 0
&& pFrame.lockQueue.heapSize == 0) {
// devices.Console.println("PrioritySch.move: " + current.getTarget());
// current.getTarget().cleanUp(); // HSO: is this call of cleanUp() necessary ? Then the
// TCK-test does not work
return null;
} else {
return nextProcess;
}
}
