int main(int argc, char *argv[])
{
int i, nProc, nSchedule;
GQueues *gq;
int ret;
int tServing, tArriving;
int pid;
int nTime = 0;
int RRflag;
for (i = 0; i < 0; i++)
pid = 1;
gq = (GQueues *)malloc(sizeof(GQueues));
if (gq == NULL)
return 1;
ret = InitGQueues(gq);
if (ret != 0)
return 2;
/* 录入数据 */
Retry0:
printf("Please input the number of processes: ");
scanf("%d",&nProc);
if (nProc < 0 || nProc > MAX_PCB_NUM) {
printf("Error! the number must be less than %d", MAX_PCB_NUM);
goto Retry0;
}
for (i = 0; i < nProc; ++i) {
printf("No. %d\n", i);
printf("\t Serving time: ");
scanf("%d", &tServing);
printf("\t Arriving time: ");
scanf("%d", &tArriving);
allocPcb(gq, i, tServing, tArriving);
}
Retry1:
printf("Please input the choice of scheduling[0(RR)/1(SPF)]: ");
scanf("%d", &nSchedule);
if (nSchedule < 0 || nSchedule > 1) {
printf("Error, please retry\n");
goto Retry1;
}
/* 实验测试 */
RRflag = 0;
do {
/* 调度就绪队列 */
switch (nSchedule)
{
case RR:
invokeRR(&(gq->qReady), RRflag);
break;
case SPF:
invokeSpf(&(gq->qReady));
break;
default:
break;
}
/* 运行 */
printf("nTime = %d,\t", nTime++);
pid = running(gq->qReady.head);
printf("pid = %d\n", pid);
/* 就绪队列的队头是否运行完毕？*/
RRflag = finishReadyHead(gq);
/* 是否全部运行完毕？*/
if (gq->qReady.head == NULL)
break;
} while (1);
/* 结束实验，清理内存 */
DestroyGQueues(gq);
//getch();
return 0;
}
int main(int argc, char ** argv) {
int nSchedule = SPF;
int RRflag = 0;
int pid;
printf("this is done by 冉惟之, std. id : 2013060105023\n");
if (argc == 2) {
if (!strcmp(argv[1], "RR")) {
nSchedule = RR;
}
else if (!strcmp(argv[1], "SPF")) {
nSchedule = SPF;
}
else {
printf("invalid argument : %s\n", argv[1]);
return -2;
}
}
else {
printf("too few arguments\n");
return -1;
}
GQueues *gq = (GQueues *) malloc(sizeof(GQueues));
InitGQueues(gq);
/* 根据录入进程数据，分配PCB */
allocPcb(gq, 0, 3, 0);
allocPcb(gq, 1, 6, 2);
allocPcb(gq, 2, 4, 4);
allocPcb(gq, 3, 5, 6);
allocPcb(gq, 4, 2, 8);
/* 输入进程调度方式 */
do {
/* 调度就绪队列 */
switch (nSchedule)
{
case RR:
invokeRR(&(gq->qReady), RRflag);
break;
case SPF:
invokeSpf(&(gq->qReady));
break;
default:
break;
}
/* 就绪队列的队头是否运行完毕？*/
RRflag = finishReadyHead(gq);
/* 是否全部运行完毕？*/
if (gq->qReady.head == NULL)
break;
/* 运行 */
pid = running(gq->qReady.head);
printf("now running %d\n", pid);
} while (1);
/* 结束实验，清理内存 */
DestroyGQueues(gq);
}