Function first_process

lab8/src/6/src/kernel/setup.cpp:31–67

}

void first_process()
{
    int pid = fork();
    int retval;

    if (pid)
    {
        pid = fork();
        if (pid)
        {
            while ((pid = wait(&retval)) != -1)
            {
                printf("wait for a child process, pid: %d, return value: %d\n", pid, retval);
            }

            printf("all child process exit, programs: %d\n", programManager.allPrograms.size());
            
            asm_halt();
        }
        else
        {
            uint32 tmp = 0xffffff;
            while (tmp)
                --tmp;
            printf("exit, pid: %d\n", programManager.running->pid);
            exit(123934);
        }
    }
    else
    {
        uint32 tmp = 0xffffff;
        while (tmp)
            --tmp;
        printf("exit, pid: %d\n", programManager.running->pid);
        exit(-123);
    }
}

void second_thread(void *arg)
{