A Fiber Class (and Friends)

#pragma once
#include "qe.h"

/****************************************************************************
*                                 class Queue
****************************************************************************/

class Queue {
    public:
       Queue() { queueHead = queueTail = emptyFiber = killFiber = NULL; }
    public:
       void appendToQueue(PQE qe);
       PQE removeFromQueue();
    public:
       void next();
       void yield();
    public:
       void kill();
    public:
       void SetEmptyFiber(PQE qe) { emptyFiber = qe; }
    protected:
       PQE queueHead;
       PQE queueTail;
       PQE emptyFiber;
       PQE killFiber;  // used to kill fibers
       PQE killTarget;
    protected:
       static void CALLBACK killer(LPVOID p);
};