compile.py 文件源码

def do_execute(self, stdin_file, stdout_file, stderr_file, cgroup_file):
        pid = fork()
        if not pid:
            chdir('/in/package')
            if stdin_file:
                fd = os_open(stdin_file, O_RDONLY)
                dup2(fd, STDIN_FILENO)
                os_close(fd)
            if stdout_file:
                fd = os_open(stdout_file, O_WRONLY)
                dup2(fd, STDOUT_FILENO)
                os_close(fd)
            if stderr_file:
                fd = os_open(stderr_file, O_WRONLY)
                dup2(fd, STDERR_FILENO)
                os_close(fd)
            if cgroup_file:
                enter_cgroup(cgroup_file)
            execve(self.execute_file, self.execute_args, SPAWN_ENV)
        return wait_and_reap_zombies(pid)