擅长:python、mysql、java
<p>如果应用程序是多线程的,<a href="http://docs.python.org/library/signal.html" rel="nofollow">the docs</a>表示:</p>
<blockquote>
<p>only the main thread can set a new signal handler, and the main thread will be the only one to receive signals</p>
</blockquote>
<p>确保您正在处理来自主线程的信号。在</p>