Linux下c++使用pthread库

　　pthread 库是纯c库，没有类指针的概念，当想phread_create中传递类成员函数时，就会报错，这里针对这种情况，对线程创建做了必要封装，较为简单，继承类，实现run接口，然后使用start启动线程即可，有点像Qt中线程的用法

　　

/*
 * ThreadBase.h
 *
 *  Created on: Oct 25, 2016
 *      Author: tla001
 */

#ifndef THREADBASE_H_
#define THREADBASE_H_

extern "C"{
#include <pthread.h>
#include <stdio.h>
}

class ThreadBase {
public:
    ThreadBase();
    virtual ~ThreadBase();

    int start();
    int stop();//只有stopFlag内嵌如run()才有效
    int isStop();
    int isStart();
    int join();
    virtual void run()=0;
private:
    static void *thread_proxy_func(void *args);
    int stopFlag;//1停止
    int startFlag;//1开始
    pthread_t tid;
};

#endif /* THREADBASE_H_ */

/*
 * ThreadBase.cpp
 *
 *  Created on: Oct 25, 2016
 *      Author: tla001
 */

#include "ThreadBase.h"

ThreadBase::ThreadBase() {
    // TODO Auto-generated constructor stub
    tid=-1;
    stopFlag=0;
    startFlag=0;
}

ThreadBase::~ThreadBase() {
    // TODO Auto-generated destructor stub

}

int ThreadBase::start(){
    int ret=pthread_create(&tid,NULL,thread_proxy_func,this);
    if(ret==0){
        startFlag=1;
//        printf("startFlag= %d\n",startFlag);
    }
    return ret;
}
int ThreadBase::stop(){
    stopFlag=1;
    return pthread_join(tid,NULL);
}
int ThreadBase::join(){
    return pthread_join(tid,NULL);
}
int ThreadBase::isStop(){
    return stopFlag;
}
int ThreadBase::isStart(){
    return startFlag;
}
void *ThreadBase::thread_proxy_func(void *args){
    ThreadBase *pThread=static_cast<ThreadBase*>(args);
//    printf("thread run\n");
    pThread->run();
    if(pThread->stopFlag==1)
        delete pThread;
    return NULL;
}