GCD 线程的应用

来源：互联网发布：php继承一个普通类编辑：程序博客网时间：2024/05/19 19:31

//用异步函数往并发队列中添加任务    //获得全局的并发队列    dispatch_queue_t queue =dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);    dispatch_async(queue, ^{        NSLog(@"1----------%@",[NSThread currentThread]);    });    dispatch_async(queue, ^{        NSLog(@"2----------%@",[NSThread currentThread]);    });    dispatch_async(queue, ^{        NSLog(@"3----------%@",[NSThread currentThread]);    });            //用异步函数往串行队列中添加任务         //第一个参数是串行队列的名称，是c语言的字符串         //第二个参数是队列的睡醒，一般来说串行队列不需要复制任何属性    dispatch_queue_t queue2 =dispatch_queue_create("zc", NULL);    //添加任务到队列中执行    dispatch_async(queue2, ^{        NSLog(@"1----------%@",[NSThread currentThread]);    });    dispatch_async(queue2, ^{        NSLog(@"2----------%@",[NSThread currentThread]);    });    dispatch_async(queue2, ^{        NSLog(@"3----------%@",[NSThread currentThread]);    });

    //获取主队列    dispatch_queue_t queue =dispatch_get_main_queue();    //把任务添加到主队列    dispatch_async(queue, ^{         NSLog(@"1----------%@",[NSThread currentThread]);    });    dispatch_async(queue, ^{         NSLog(@"2----------%@",[NSThread currentThread]);    });    dispatch_async(queue, ^{         NSLog(@"3----------%@",[NSThread currentThread]);    });

参考文章

http://www.cnblogs.com/wendingding/p/3805841.html

0 0