compile.py 文件源码

def do_build(self, output_file, cgroup_file):
        pid = fork()
        if not pid:
            chdir('/out')
            os_close(STDIN_FILENO)
            if output_file:
                fd = os_open(output_file, O_WRONLY)
                dup2(fd, STDOUT_FILENO)
                dup2(fd, STDERR_FILENO)
                os_close(fd)
            if cgroup_file:
                enter_cgroup(cgroup_file)
            execve(self.compiler_file, self.compiler_args, SPAWN_ENV)
        return wait_and_reap_zombies(pid)