c++每日八股文 Linux循环创建子进程

  1 #include
  2 #include
  3 #include
  4 
  5 
  6 int main(int argc, char *argv[])
  7 {
  8     pid_t pid;
  9     int i = 0;
 10     for(i = 0; i < 5; i ++){
 11         pid = fork();
 12         if (pid == 0){
 13             break;
 14         }
 16     }
 17     if (i < 5){
 18         //确保子进程按照顺序输出
 19         sleep(i);
 20         printf("I'm chid, myPid is %d, my fatherPid is %dn", getpid(), getppid());
 21     } else if(i == 5){
 22         //确保父进程最后输出
 23         sleep(i);                   
 24         printf("I'm father, myPid is %dn", getpid());
 25     }
 26     return 0;
-- 插入 --                                                                                 1,18         顶端

输出为：