#include "kernel/param.h" #include "kernel/types.h" #include "kernel/stat.h" #include "user/user.h" #include "kernel/fs.h" #include "kernel/fcntl.h" #include "kernel/syscall.h" #include "kernel/memlayout.h" #include "kernel/riscv.h" int main(){ for(int i=0; i < 100; i++){ int pid = fork(); if(pid>0){ int pid2 = fork(); if(pid2>0){ while(1){ if(nice(pid,4) != 1) break; if(nice(pid,5) != 1) break; } exit(0); } } else if(pid == 0){ exit(0); } } exit(1); return 0; }