问C(linux平台)中基于事件的通信的最佳机制

EN

    pthread_mutex_t lock;
    pthread_cond_t cond;



    pthread_mutex_lock(&>lock);
    /* releasing the mutex and block untill a cond get a signal*/
    pthread_cond_wait(&cond, &lock);
    /* execute your code */

    your_condtion = 0;

    /* signaling the producer that we "consumed" the data */
    pthread_cond_signal(&cond);
    pthread_mutex_unlock(&lock);

    /* checking if consumer already used our data */
    pthread_mutex_lock(&lock);
    while(your_condition != 0)
        pthread_cond_wait(&cond, &lock);
    /* execute your code */
            your_condition = 1;
    /* sending event */
    pthread_cond_signal(&cond);
    pthread_mutex_unlock(&lock);