擅长:python、mysql、java
<p>你要找的是一个条件变量。</p>
<p><a href="http://en.wikipedia.org/wiki/Monitor_%28synchronization%29#Blocking_condition_variables" rel="nofollow noreferrer">Condition Variables</a></p>
<p><a href="https://docs.python.org/2.0/lib/condition-objects.html" rel="nofollow noreferrer">Here</a>是Python 2库引用。<br/>
对于Python 3,可以找到<a href="https://docs.python.org/3/library/threading.html#condition-objects" rel="nofollow noreferrer">here</a></p>