If you are not sure why, you might try making a separate copy of this function for each interrupt type that you catch and see what causes the extra calls.
如果想细究其原因，可以尝试针对每种终止类型获得该函数的单独副本，研究产生额外调用的原因。
She was a good seamstress and would copy all the styles from the women’s magazines and sell the clothes to make some extra money.
她自己心灵手巧，她可以从那些女性时尚杂志上把衣服的样式都学下来，自己做衣服，然后再卖掉赚点钱。
One day I came across a copy of a fairly common microwave cookbook - the sort published by the appliance manufacturer to make a few extra dollars.
有一天，我偶然得手一本十分普通的微波炉食谱——就是那种电器制造商卖微波炉时为了多挣几个钱顺带着卖的食谱，不值钱的。
I could have done this in another way but I am going to just be extra deliberate so I make sure that this copy ends with back slash zero and voila, now, I have a copy.
我可以用另外一种方式来处理，我确保这个拷贝由反斜杠0结尾，那样，现在我得到了一个拷贝。
If you want to be extra safe, then you should also make a backup copy of your DB.
如果你想成为额外的安全，那么你也应该让您的数据库的备份副本。
Remember to bring an extra copy of your resume and a list of references.
记住，多带一份简历，以及参考清单。
Novy Mir ordered extra printings, and every copy was sold. A book edition and an inexpensive newspaper version also vanished from the shelves.
加印的《新世界》一售而空。一个单行本以及一个在报纸上刊登的廉价版本也很快售罄。
Remember to bring an extra copy of your resume and a list of references.
记住把你的简历和推荐信多准备一份。
If you want a copy of your dissertation, please make sure that you print an extra copy.
如果你希望你的论文的副本，请确保您打印一个额外的副本。
If you copy other trends, then your website will be just that, a copy, but if you can go the extra mile and create a unique look that differentiates your website, then your website will be memorable.
如果你仿效其它潮流，那么你的网站也仅仅是一个仿效品，但是如果你能多做出一点努力，创造出一个能使得它不一样的独特外观，那么你的网站将令人难忘。
If you copy other trends, then your website will be just that, a copy, but if you can go the extra mile and create a unique look that differentiates your website, then your website will be memorable.
如果你仿效其它潮流，那么你的网站也仅仅是一个仿效品，但是如果你能多做出一点努力，创造出一个能使得它不一样的独特外观，那么你的网站将令人难忘。
应用推荐