platform.py 文件源码

def open_text_file(self, path):
        pid1 = os.fork()
        if pid1 == 0:
            pid2 = os.fork()
            if pid2 == 0:
                editor = _unix_editor()
                LOG.debug("calling `%s %s'" % (editor, path))
                os.execlp(editor, editor, path)
            else:
                sys.exit(0)
        else:
            os.waitpid(pid1, 0)
            LOG.debug("Exec child exited")