void addOuterMostSeq(MissionSequencer seq) {
ScjProcess process = ManagedSchedMethods.createScjProcess(seq);
process.index = -2;
MissionSequencer.missSeqProcess = process;
outerMostSeqProcess = (ScjProcess) seq.process;
pFrame.addProcess(process);
}
void release(AperiodicEventHandler handler) {
// see AperiodicEventHandler, where release is called
ScjProcess process = (ScjProcess) handler.process;
vm.ClockInterruptHandler.instance.disable();
if (process.state == ScjProcess.State.EXECUTING) {; // do nothing, - is already running
} else if (process.state == ScjProcess.State.BLOCKED) {
process.state = ScjProcess.State.READY;
process.start();
pFrame.readyQueue.insert(process);
} else {; // it is already ready
}
vm.ClockInterruptHandler.instance.enable();
vm.ClockInterruptHandler.instance.yield();
}
@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;
}
}
void moveToNext() {
ScjProcess nextProcess = pFrame.readyQueue.extractMax();
nextProcess.state = ScjProcess.State.EXECUTING;
current = nextProcess;
// devices.Console.println("<<< From readyQueue to current: " + nextProcess.index);
}
