disk.h

#ifndef _DISK_H
#define _DISK_H

#include "../h/types.h"
#include "../h/supconst.h"

typedef    struct dreq_t {
    int dr_op;
    int dr_unused;
    int dr_track;
    int dr_sector;
} dreq_t;

typedef struct diskq_t {
    struct diskq_t *dq_next;
    thr_t *dq_client;           /* thread che ha richiesto il servizio */
    int dq_sector;              /* numero del settore */
    int dq_track;               /* numero di traccia */
    int dq_op;                  /* operazione: READ o WRITE */
} diskq_t;

#define initDiskQueue()     (dqfp = initQueue(diskqTable, MAXDISKQ, sizeof(diskq_t)))
#define allocDiskQueue()  ((diskq_t *) AllocQueue(&dqfp))
#define freeDiskQueue(p)    freeQueue(p, &dqfp)
#define  outDiskQueue(p)     outQueue(&dreq_queue, p)
#define nextDiskQueue(p)    ( ((p) == (p)->dq_next) ? ((diskq_t *)NULL) : (p)->dq_next )

#define NO_OP   -1

#endif