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  • 线程休眠代码(C++)

    linux平台示例:

    /*
    File : thread1.c
    Author : Mike
    E-Mail : Mike_Zhang@live.com
    */
    #include <stdio.h>
    #include <pthread.h>
    #include <time.h>
    void m_threadSleep(int sec,int nsec)
    {
    struct timespec sleepTime;
    struct timespec returnTime;
    sleepTime.tv_sec = sec;
    sleepTime.tv_nsec = nsec;
    nanosleep(&sleepTime, &returnTime);
    }
    void test1()
    {
    m_threadSleep(1,0);
    printf("I'm thread1 ...\r\n");
    }
    void test2()
    {
    m_threadSleep(2,0);
    printf("I'm thread2 ...\r\n");
    }
    int main()
    {
    pthread_t thread1,thread2;
    void *result;
    time_t tbegin,tend;
    tbegin = time(NULL);
    pthread_create(&thread1,NULL,(void*)&test1,NULL);
    pthread_create(&thread2,NULL,(void*)&test2,NULL);
    pthread_join(thread1,&result);
    pthread_join(thread2,&result);
    tend = time(NULL);
    printf("%d\r\n",tend-tbegin);
    return 0;
    }

    编译:
    gcc thread1.c -o thread1 -lpthread

    boost库实现示例:

    /*
    File : boost_thread1.cpp
    Author : Mike
    E-Mail : Mike_Zhang@live.com
    */
    #include <boost/date_time/posix_time/posix_time.hpp>
    #include <boost/thread/thread.hpp>
    #include <iostream>

    boost::xtime getSleepTime(int sec,int nsec)
    {
    boost::xtime t;
    boost::xtime_get(&t, boost::TIME_UTC);
    t.sec += sec;
    t.nsec += nsec;
    return t;
    }
    void test1()
    {
    boost::this_thread::sleep(getSleepTime(1,500));
    std::cout <<"I'm thread1 !"<< std::endl;
    }
    void test2()
    {
    boost::this_thread::sleep(getSleepTime(3,500));
    std::cout <<"I'm thread2 !"<< std::endl;
    }

    int main(int argc, char* argv[])
    {
    boost::thread thrd1(&test1);
    boost::thread thrd2(&test2);
    std::time_t t_begin,t_end;
    t_begin = time(NULL);
    thrd1.join();
    thrd2.join();
    t_end = time(NULL);
    std::cout<<t_end-t_begin<<std::endl;
    return 0;
    }

    编译命令:
    g++ boost_thread1.cpp -o boost_thread1 -lboost_thread-mt

  • E-Mail : Mike_Zhang@live.com
  • 转载请注明出处,谢谢!
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  • 原文地址:https://www.cnblogs.com/MikeZhang/p/2315708.html
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