#pragma once

#include <Timer.h>

#define TaskActiveFlag 0x8000

typedef struct xQHdr {      

    long            qFlags;

    struct xthing   *qHead;

    struct xthing   *qTail;

    short           qEntries;

} xQHdr;

typedef Boolean (*updateProc)(struct xthing *xtp, long dataRef);

typedef struct xthing {

    TMTask          timer;          /* update time */

    struct xthing   *next;          /* link in xthing queue */

    long            prime;          /* number of miliseconds between runs */

    Boolean         taskFlag;       /* flag set when task is ready to fire */

    Boolean         waiting;        /* true if put in list with a task launched */

    Boolean         inList;         /* set after task is first added */

    long            dataRef;        /* handy place to put your gum */

    long            interval;       /* the interval between runs */

    updateProc      actionProc;     /* pointer to task service routine */

} xthing;

void xInitQueueHeader(xQHdr *queue);

void xEnqueue(xthing *qel, xQHdr *queue);

void xDequeue(xthing *qel, xQHdr *queue);

xthing *StartXThing(xthing *xtp, long prime, updateProc updtProc, long dataRef);

void ProcessXThingTask(short numTasksToProcess);

void InitXThingTask(void);

void KillAllXThingTasks(void);

void AddXThing(xthing *xtp, long prime, updateProc updtProc, long dataRef);

void EnqueueXThing(xthing *xtp);