Method Wait

Kernel/src/lock.cpp:8–18

#include <logging.h>

void Semaphore::Wait(){
    thread_t* thread = GetCPULocal()->currentThread;

    __sync_fetch_and_sub(&value, 1);
    while(value < 0 && thread->state != ThreadStateZombie) {
        assert(CheckInterrupts());
        
        Scheduler::BlockCurrentThread(blocked, blockedLock);
        asm("pause");
    }
}

void Semaphore::WaitTimeout(long timeout){
    __sync_fetch_and_sub(&value, 1);