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#ifndef SRC_COMMON_BLOCKING_QUEUE_H_#define SRC_COMMON_BLOCKING_QUEUE_H_#include <boost/thread.hpp>#include <boost/noncopyable.hpp>#include <queue>template<typename T>class xl_blocking_queue :boost::noncopyable{public: xl_blocking_queue() :mutex_(), queue_(), cond_() { } ~xl_blocking_queue(){} void put(const T& func) { boost::unique_lock<boost::mutex> lock(mutex_); queue_.push(func); cond_.notify_all(); } T get() { boost::unique_lock<boost::mutex> lock(mutex_); if (queue_.size() == 0) { cond_.wait(lock); } T front(queue_.front()); queue_.pop(); return front; } unsigned size() { return queue_.size(); } void notify_all() { cond_.notify_all(); }private: std::queue<T> queue_; boost::condition_variable_any cond_; boost::mutex mutex_;};#endif |
xl_thread_pool.h
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<strong>#ifndef SRC_COMMON_THREAD_POOL_H_#define SRC_COMMON_THREAD_POOL_H_#include <boost/thread.hpp>#include <boost/shared_ptr.hpp>#include <boost/noncopyable.hpp>#include <vector>#include "xl_blocking_queue.h"typedef boost::function<void (void)> thread_do_func;class xl_thread_pool :boost::noncopyable{public: xl_thread_pool(int thread_num) :num_(thread_num), run_(false) { } ~xl_thread_pool() { if (run_) { stop(); } } void start() { if (num_ <= 0) return; int i = 0; run_ = true; for(i=0;i<num_;i++) { boost::shared_ptr<boost::thread> thread(new boost::thread(boost::BOOST_BIND(&xl_thread_pool::run, this))); thread_arr_.push_back(thread); } } void stop() { run_ = false; queue_.notify_all(); } void post(const thread_do_func& task) { if (thread_arr_.size() == 0) { task(); } else { queue_.put(task); } }private: xl_blocking_queue<thread_do_func> queue_; std::vector<boost::shared_ptr<boost::thread> > thread_arr_; int num_; bool run_; void run() { while(run_) { thread_do_func task = queue_.get(); task(); } }};#endif |
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原文地址：http://www.cnblogs.com/lvdongjie/p/4494065.html
