main.c

作業系統RR排程方法,使用c程式來表示cpu bound & io bound (學校作業)

#include <stdio.h>
#include <stdlib.h>
#include <conio.h>

typedef struct {
 int    PID;
 int    CPU_EraseTime;
 int    CPU_RemainTime;
 int    CPU_starttime;
 int    CPU_endtime;
 int    CPU_Burst;
 int    IO_EraseTime;
 int    IO_RemainTime;
 int    IO_starttime;
 int    IO_endtime;
 int    IO_Burst;
}PCB;

PCB     do_cpu={0},
        do_io={0},
        readyqueue[11]={0},
        io_watting_queue[11]={0},
        finishqueue[11]={0}
        ;

int RR_quantum=1,
    RR_Count=0,
    timeindex=0,
    timeinterval=1,
    readyqueue_count=0,
    io_watting_queue_count=0,
    finishqueue_count=0,
    CPU_util_count=0,
    ProcessCount=6
    ;

PCB getPCB(PCB *pcbqueue,int *pcbqueue_count);
//---------------------------------------------------------------------------
int main(int argc, char* argv[])
{
 int i1=0;
 int cpu_turnaruntime_total=0,cpu_waitting_time_total=0,io_turnaruntime_total=0,io_waitting_time_total=0;
 system("cls"); //睲埃screen

 //块