用c语言编写的进程管理程序？

用c语言编写的进程管理程序？

#include 
#include 
#include 
#include  
#include                
struct  PCB_type
   {  char pid[100];            //进程名输入用字符串健壮性比较好
      int priority;     
      int cputime;
   int state;
 };                     //缺少“};”
int shumu=0,pid_l;      
struct PCB_type neicun[20];
struct PCB_type hc[10];
int max=0;
int number=0;
void create();
void run();
void huanchu();
void kill();
int main()
{
    int n,a;
    n=1;
 system("color  1d");
    while(n==1)
    {
      system("cls");
   printf("
**********************************************");
   printf("
*               进程演示系统                 *");
   printf("
**********************************************");
   printf("
     1.创建新的进程             2.查看运行进程");
   printf("
     3.换出某个进程             4.杀死运行进程");                    //新增了一个唤醒功能 
   printf("
     5.退出系统                               ");
   printf("
**********************************************");
   printf("
请选择(1～5):");
   scanf("%d",&a);
       switch(a)
      { case 1:
           create( ); 
    printf("
press any key to go on~");
    getch();
         break;
        case 2 :
          run(); 
    printf("
press any key to go on~");
    getch();
          break;
        case 3 :
       huanchu();
    printf("
press any key to go on~");
    getch();
         break;
      case 4 :
        kill();
    printf("
press any key to go on~");
    getch();
         break;
      case 5 :
       exit(0);
         default: 
    n=1;
       break;
    }
       }
}
void create()  
{
       if(shumu>=20)
          {
           printf("
内存已满，请先结束或换出进程
");
          }
          else
          {
     shumu++;
        printf("
请输入新进程的程序名
");
           scanf("%s",neicun[shumu-1].pid);
           printf("
请输入新进程的优先级(数字)
");//
           scanf("%d",&neicun[shumu-1].priority);
           printf("
请输入新进程的需要的运行时间
");//
           scanf("%d",&neicun[shumu-1].cputime);
     printf("
创建进程时令其状态为就绪
");             
     neicun[shumu-1].state=2;                               //1为等待，2就绪，3为运行 
 
       }
    printf("
创建进程成功!
");
}
void run()
{
 if(shumu<=0)//查看//判断是否存在进程 
 {
  printf("当前状态无进程,按任意键继续创建进程
");
     return;
 }                                                 
 int max=0;
 for(int i=0;i  if((neicun[i].state==2&&neicun[i].priority>=neicun[max].priority))
  {
   max=i;                                                     //这里判断优先级，优先级高的进程优先执行。 
  }
  if(neicun[max].state==2)
  {
   neicun[max].state=3;                                //进程运行，状态为3                                                            
   system("color  5F");
   printf(":
",shumu);
   for(int i=0;i   printf("进程编号:%d",i+1);
   printf("

",neicun[i].pid);
   printf("

",neicun[i].priority);
   printf("

",neicun[i].cputime);
   printf("



",neicun[i].state);      }                 //这里增加显示当前运行的进程 
  }     
 
}

void huanchu()
{
 int k;
 if(shumu<=0)//判断是否存在进程
 {
  printf("当前进程数目为0,不能执行该操作
");
     return;
 }                                             
 printf("当前已有进程%d个:
",shumu);
 for(int h=0;h  printf("序号:%d 程序名:%s 优先级:%d 运行时间:%d 状态:%d
"
  ,h,neicun[h].pid,neicun[h].priority,neicun[h].cputime,neicun[h].state);
 printf("请输入要换出程序的序号:");                                             
 scanf("%d",&k);
 if(neicun[k].state==3)
 {
  neicun[k].state=1;
  printf("已被换出,进程名为:%s、状态为:[%d]",neicun[k].pid,neicun[k].state);  
    }
 else
  printf("无法换出，进程名为:%s的进程",neicun[k].pid);    //换出结果提示
}
void kill()
{
 
 if(shumu<=0)//对存在的进程进行判断
 {
  printf("当前进程数目为0,不能执行该操作
");
     return;
 }                                                             
 int k=0;
 printf(":
",shumu);
 for(int h=0;h  printf("序号:%d 程序名:%s 优先级:%d 运行时间:%d 状态:%d
"
  ,h,neicun[h].pid,neicun[h].priority,neicun[h].cputime,neicun[h].state);
 printf("请输入要杀死程序的序号:");                                    
 scanf("%d",&k);
 neicun[k].cputime=0;
 neicun[k].priority=0;
 neicun[k].state=0;
    if(k==(shumu-1))
   shumu--;
 else{
  for(int j=k+1;j    {
     strcmp(neicun[j-1].pid,neicun[j].pid);
     neicun[j-1].priority=neicun[j].priority;
     neicun[j-1].cputime=neicun[j].cputime;
     neicun[j-1].state=neicun[j].state;
  }
        shumu--;
 }
 printf("进程名为:%s已被杀死!
",neicun[k].pid);                                //显示进程已被杀死 
 
}

不会

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