// vim: set noet ts=4 sw=4:

#include "scheduler.h"

Queue<Thread> readyList = Queue<Thread>();

Scheduler::Scheduler() {
}

Thread* Scheduler::getNext() { return nullptr; }

void Scheduler::schedule() {
	// TODO maybe guard?
	Thread* next = readyList.dequeue();
	assert(next != nullptr);
	dispatcher.go(next);
}

void Scheduler::ready(Thread* that) {
	assert(that != nullptr);
	readyList.enqueue(*that);
}

void Scheduler::resume(bool ready) {
	if (ready)
	//if (!active()->kill_flag)
        readyList.enqueue(*active());
    Thread* thread = readyList.dequeue();
    assert(thread != nullptr);
    dispatcher.dispatch(thread);
}

void Scheduler::exit() {
	Thread* thread = readyList.dequeue();
    assert(thread != nullptr);
    dispatcher.dispatch(thread);
}

void Scheduler::kill(Thread* that) {
    readyList.remove(that);
    that->kill_flag = true;
}

bool Scheduler::isActive(const Thread* thread, unsigned int* cpu) {
  (void)thread;
  (void)cpu;
  return false;
}

bool Scheduler::isEmpty() const { return false; }

void Scheduler::setIdle(IdleThread* that) { (void)that; }