#define PTHREAD_NUM 10



pthread_mutex_t lock;

pthread_cond_t cond;



void pthread_function(void *data)

{    

    pthread_detach(pthread_self());

    pthread_mutex_lock(&lock);

    if((int )data != PTHREAD_NUM - 1){

        pthread_cond_wait(&cond,&lock);

    }

//    sleep(1);

    printf("this thread id is %u!n",pthread_self());

    pthread_cond_signal(&cond);

//    pthread_cond_broadcast(&cond);

    pthread_mutex_unlock(&lock);

}



int main()

{

    pthread_mutex_init(&lock,0);

    pthread_cond_init(&cond,0);



    int i = 0;

    pthread_t thread[PTHREAD_NUM] = {0};

    

    for(i = 0;i