#include <boost/thread/mutex>
typedef boost::shared_mutex rwMutex;
typedef boost::unique_lock<rwMutex> exclusiveLock; //互斥锁
boost::share_ptr 引用计数型智能指针
boost::share_ptr<int> m_str(new int(5));
boost::share_ptr<char> p_chr(new char[MAX_PATH]);
memset(p_chr.get(), 0, MAX_PATH);
strcpy(p_chr.get(), "strung");