线程封装

//Thread.hpp
#pragma once

#include <iostream>
#include <string>
#include <functional>
#include <pthread.h>

namespace ThreadModule
{
    static int gnumber = 1;
    template <typename T>
    using callback_t = std::function<void(T &)>;

    enum class TSTATUS
    {
        THREAD_NEW,
        THREAD_RUNNING,
        THREAD_STOP
    };

    std::string Status2String(TSTATUS s)
    {
        switch (s)
        {
        case TSTATUS::THREAD_NEW:
            return "THREAD_NEW";
        case TSTATUS::THREAD_RUNNING:
            return "THREAD_RUNNING";
        case TSTATUS::THREAD_STOP:
            return "THREAD_STOP";
        default:
            return "UNKNOWN";
        }
    }

    std::string IsJoined(bool joinable)
    {
        return joinable ? "true" : "false";
    }

    template <typename T>
    class Thread
    {
    private:
        void ToRunning()
        {
            _status = TSTATUS::THREAD_RUNNING;

        }
        void ToStop()
        {
            _status = TSTATUS::THREAD_STOP;
        }

        static void *ThreadRoutine(void *args)
        {
            Thread *self = static_cast<Thread<T> *>(args);
            pthread_setname_np(self->_tid, self->_name.c_str());
            self->_cb(self->_date);
            self->ToStop();
            return nullptr;
        }

    public:
        Thread(callback_t<T> cb, const T &date):
        _tid(-1),
        _status(TSTATUS::THREAD_NEW),
        _joinable(true),
        _cb(cb),
        _result(nullptr),
        _date(date)
        {
            _name = "New-Thread-" + std::to_string(gnumber++);
        }
        bool Start()
        {
            int n = pthread_create(&_tid, nullptr, ThreadRoutine, this);
            if (n != 0)
                return false;

            ToRunning();
            return true;
        }
        void Join()
        {
            if (_joinable)
            {
                int n = pthread_join(_tid, &_result);
                if (n != 0)
                {
                    std::cerr << "join error: " << n << std::endl;
                    return;
                }
                (void)_result;
                _status = TSTATUS::THREAD_STOP;
            }
            else
            {
                std::cerr << "error, thread join status: " << IsJoined(_joinable) << std::endl;
            }
        }

        // void Stop() // restart()
        // {
        //    
        // }
        void Die()
        {
            if (_status == TSTATUS::THREAD_RUNNING)
            {
                pthread_cancel(_tid);
                _status = TSTATUS::THREAD_STOP;
            }
        }
        void Detach()
        {
            if (_status == TSTATUS::THREAD_RUNNING && _joinable)
            {
                pthread_detach(_tid);
                _joinable = false;
            }
            else
            {
                std::cerr << "detach " << _name << " failed" << std::endl;
            }
        }
        void PrintInfo()
        {
            std::cout << "thread name : " << _name << std::endl;
            std::cout << "thread _tid : " << _tid << std::endl;
            std::cout << "thread _status : " << Status2String(_status) << std::endl;
            std::cout << "thread _joinable : " << IsJoined(_joinable) << std::endl;
        }

        ~Thread()
        {
        }

    private:
        std::string _name;
        pthread_t _tid;
        TSTATUS _status;
        bool _joinable;
        callback_t<T> _cb;
        T _date;
        // 线程退出信息
        void *_result;
    };
}

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//Main.cc
#include "Thread.hpp"
#include <unistd.h>
#include <vector>

class ThreadDate
{
public:
    ThreadDate(int x , int y):_x(x) , _y(y)
    {}


public:
    int _x;  
    int _y;
    int _result;
};

void Loop(ThreadDate &td)
{
    char name[64];
    pthread_getname_np(pthread_self(), name, sizeof(name));

    std::cout<<td._x <<" , " <<td._y <<std::endl;

    sleep(1);
    // while(cnt)
    // {
    //     std::cout << "new thread running: " << name  << " cnt : " << cnt-- << std::endl;
    //     sleep(1);
    // }
}

int main()
{
    ThreadDate td(10,20);
    std::vector<ThreadModule::Thread<ThreadDate>> threads;
    const int num = 10;
    for(int i = 0; i < 10; i++)
    {

        threads.emplace_back(Loop , td);
    }

    for(auto &t : threads)
    {
        t.Start();
        //sleep(1);
    }

    // sleep(10);
    // for(auto &t : threads)
    // {
    //     t.Die();
    // }


    for(auto &t : threads)
    {
        t.Join();
        t.PrintInfo();
        // sleep(1);
    }


    // std::queue<Thread> threads;
    // while(true)
    // {
    //     // t = threads.pop();
    //     t.restart();
    //     sleep(1);
    //     t.stop();
    //     threads.push(t);
    // }
    // ThreadModule::Thread t(Loop, a, name, xxxx);
    // sleep(1);
    // t.Start();
    // t.Detach();
    // sleep(5);
    // t.Die();
    // sleep(1);
    // t.Join();
    // t.PrintInfo();
    return 0;
}

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#makefile
thread:Main.cc
	g++ -o $@ $^ -std=c++11

.PHONY:clean
clean:
	rm -f thread

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