金庸群侠传x女主完美线:thread

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#include #include #include #include #include #include #include using namespace std;#define THREAD_NUMBER 2/* 初始化条件变量*/static pthread_cond_t cond= PTHREAD_COND_INITIALIZER;/* 初始化mutex*/static pthread_mutex_t mutex= PTHREAD_MUTEX_INITIALIZER;void* thread1(void *arg){ int ret; pthread_mutex_lock(&mutex); printf("thread1 locked the mutex\n"); printf("thread1 is waiting for condition signal...\n"); cout <<"cond:"< /* 休眠5 秒钟*/ while (now.tv_sec-old.tv_sec< 5) { sleep(1); gettimeofday(&now,NULL); i++; printf("thread2 sleep %d seconds\n", i); } printf("thread1 calls pthread_cond_signal...\n"); /* 启动等待条件变量cond的其他线程*/ ret = pthread_cond_signal(&cond); cout <<"cond:"<<&cond<int main(int argc, char *argv[]){ int i; int ret_val; pthread_mutex_init(&mutex,NULL); pthread_t pt[THREAD_NUMBER]; memset(pt,0,THREAD_NUMBER); ret_val = pthread_create(&pt[0], NULL, thread1, NULL); if (ret_val != 0 ) { printf("pthread_create error!\n"); exit(1); } sleep(1); ret_val = pthread_create(&pt[1], NULL, thread2, NULL); if (ret_val != 0 ) { printf("pthread_create error!\n"); exit(1); }
for (i = 0; i < THREAD_NUMBER; i++) { ret_val = pthread_join(pt[i], NULL); if (ret_val != 0) { printf("pthread_join error!\n"); exit(1); } } pthread_mutex_destroy(&mutex); pthread_cond_destroy(&cond); return 0;}

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