Next, Thread A resumes, and clearly *top and n->next do not match for this thread, because Thread B modified the contents of the top location.

接下来，线程A恢复执行，显然对于这个线程 *top和n->next不匹配，因为线程B修改了 top位置的内容。

youdao

Next, Thread A resumes, and clearly *top and n->next do not match for this thread, because Thread B modified the contents of the top location.

接下来，线程A恢复执行，显然对于这个线程 *top和n->next不匹配，因为线程B修改了 top位置的内容。

youdao