Function Handler

Kernel/src/arch/x86_64/timer.cpp:123–143

Timer handler

    // Timer handler
    void Handler(void*, regs64_t *r) {
        ticks++;
        if(ticks >= frequency){
            uptime++;
            ticks -= frequency;
        }

        if(sleeping.get_length() && !(acquireTestLock(&sleepQueueLock))){
            if(sleeping.get_length()){ // Make sure the queue has not changed inbetween checking the length and acquiring the lock
                sleeping.get_front().ticksLeft--;

                while(sleeping.get_length() && sleeping.get_front().ticksLeft <= 0){
                    Scheduler::UnblockThread(sleeping.remove_at(0).thread);
                }
            }

            releaseLock(&sleepQueueLock);
        }

        Scheduler::Tick(r);
    }

    // Initialize
    void Initialize(uint32_t freq) {