标签:http ar sp c html ef r htm tt
【参考】
http://www.searchtb.com/2011/06/spinlock%E5%89%96%E6%9E%90%E4%B8%8E%E6%94%B9%E8%BF%9B.html
spinlock原理
原文地址:http://www.cnblogs.com/hellogiser/p/spinlock.html