boost综合使用<function,bind,thread,mutex,condition_variable,shared_ptr>

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该例子的功能是：

1、创建测试线程

2、创建工作线程

3、使用list队列

4、线程通知

5、线程锁

工作线程如果没有活要做，则挂起，如果消息队列里有新的消息了，则通知工作线程开始干活。说多了都是废话，上代码：

// ConsoleApplication3.cpp : 定义控制台应用程序的入口点。//#include "stdafx.h"#include "boost/thread.hpp"#include "boost/thread/condition_variable.hpp"#include "boost/thread/mutex.hpp"#include "boost/shared_ptr.hpp"#include "boost/function.hpp"#include "boost/bind.hpp"#include <list>#include <iostream>boost::shared_ptr<std::list<int>> _g_list;boost::mutex _g_mutex_lock_list;boost::condition_variable _g_cv;boost::mutex _g_cv_mutex;/* *\brief *t: *f: no quit */bool _g_is_quit = false;void Add(int value){{boost::mutex::scoped_lock lock(_g_mutex_lock_list);if (_g_list){_g_list->push_front(value);}}_g_cv.notify_one();}void CreateThr(int threadCnt){if (!threadCnt){// no threadreturn;}// thread functionboost::function<void(void)> func = [](){int cnt = 10;while (--cnt){Add(cnt);}};for (size_t i = 0; i < (size_t)threadCnt; ++i){boost::thread th(boost::bind(func));//boost::thread th(func);}}int GetValueFromList(){boost::mutex::scoped_lock lock(_g_mutex_lock_list);if (!_g_list->size()){return 0;}int v = _g_list->back();_g_list->pop_back();return v;}// first launch work threadvoid WorkThread(){#define WORKTHREADCNT 1auto func = [](){int value = 0;int cnt = 0;boost::mutex::scoped_lock lock(_g_cv_mutex);while (!_g_is_quit){value = GetValueFromList();if (!value){_g_cv.wait(lock);continue;}printf("%3d,", value);++cnt;if (cnt != 0 && cnt % 9 == 0){printf("\n");}}};for (size_t i = 0; i < WORKTHREADCNT; i++){boost::thread th(func);}}int _tmain(int argc, _TCHAR* argv[]){_g_list = boost::shared_ptr<std::list<int>>(new std::list<int>());WorkThread();CreateThr(4);int value = 0;while (value != -1){if (value == -1){_g_is_quit = true;_g_cv.notify_all();break;}using namespace std;cout << "enter a number, enter [-1] to quit.\n";cin >> value;Add(value);}system("pause");return 0;}

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