Linux多线程C++工具库：liblmp_tool -- 线程池类ThreadPool

Linux多线程编程工具库liblmp_tool   github: https://github.com/Dwyane05/liblmp_tool

使用条件变量和互斥锁实现线程池：

头文件：

/*
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the License file.
 *
 *  ThreadPool.h
 *  Created on: May 30, 2019
 *  Author:     cuiyongfei
 */

#ifndef LMP_TOOL_THREADPOOL_H
#define LMP_TOOL_THREADPOOL_H

#include "Condition.h"
#include "Mutex.h"
#include "Thread.h"
#include "Common.h"

#include <deque>
#include <vector>

namespace lmp_tool
{

class ThreadPool : noncopyable
{
 public:
  typedef std::function<void ()> Task;           //任务

  explicit ThreadPool(const string& nameArg = string("ThreadPool"));
  ~ThreadPool();

  // Must be called before start().
  void setMaxQueueSize(int maxSize) { maxQueueSize_ = maxSize; }      //设置队列大小
  void setThreadInitCallback(const Task& cb)          //回调任务
  { threadInitCallback_ = cb; }

  void start(int numThreads);                                     //启动  参数是线程数
  void stop();                                                            //停止

  const string& name() const
  { return name_; }

  size_t queueSize() const;

  // Could