一种类似JAVA线程池的C++线程池实现方法

#include 
#include 
class DemoThread : public mix::IRunnable
{
private:
    int id;
public:
    DemoThread(int id)
    {
       this->id = id;
    }
    virtual void Run()
    {
       for (int i = 0; i <3; i++)
       {
           usleep(500);
           printf("Thread %d: loop index %d\n", id, i);
       }
    }
    virtual bool IsDelete ()
    {
       return true;
    }
    virtual int Priority()
    {
       return 0;
    }
    virtual void SetPriority(int priority)
    {
    }
    virtual void Cancel()
    {
    }
    virtual bool IsCanceled()
    {
       return false;
    }
    virtual void Pause() {}
    virtual void Resume() {}
    virtual bool IsPaused()
    {
       return false;
    }
    virtual std::string GetTaskId()
    {
       return "";
    }
    virtual void TryPause()
    {
    }
};
int main(int argc, char *argv[])
{
    mix::ThreadPool threadPool(10, 20, 5);
    printf("Mix Thread Begin\n");
    for (int i = 0; i <5; i++)
    {
       threadPool.Execute(new DemoThread(i));
    }
    sleep(1);
    while (threadPool.GetActiveCount() > 0)
    {
       sleep(1);
    }
    printf("Mix Thread End\n");
    return 0;
}

g++ -I/usr/local/include -g -O2 demo_main.cpp -pthread -o mix_thread_demo -lmixthread -pthread -Wl,-rpath -Wl,/usr/local/lib

./mix_thread_demo
Mix Thread Begin
Thread 3: loop index 0
Thread 4: loop index 0
Thread 2: loop index 0
Thread 1: loop index 0
Thread 0: loop index 0
Thread 4: loop index 1
Thread 3: loop index 1
Thread 2: loop index 1
Thread 1: loop index 1
Thread 0: loop index 1
Thread 4: loop index 2
Thread 3: loop index 2
Thread 2: loop index 2
Thread 1: loop index 2
Thread 0: loop index 2
Mix Thread End