u012947821的专栏

http://blog.youkuaiyun.com/hudashi/article/details/7709413

http://blog.youkuaiyun.com/zclongembedded/article/details/7337729http://blog.chinaunix.net/uid-24372973-id-299489.htmlhttp://blog.youkuaiyun.com/icechenbing/article/details/7662026

1. 互斥锁创建        有两种方法创建互斥锁，静态方式和动态方式。POSIX定义了一个宏PTHREAD_MUTEX_INITIALIZER来静态初始化互斥锁，方法如下：              pthread_mutex_t mutex=PTHREAD_MUTEX_INITIALIZER;              在LinuxThreads实现中，pthread_mutex