摘要: 首先,我们来看下下面一个例子:代码:(串行队列里同步线程嵌套) NSLog(@"haha"); dispatch_queue_t queue = dispatch_queue_create("test", nil); dispatch_sync(queue, ^ { NSLog(@"xx... 阅读全文
posted @ 2015-08-24 10:50 死磕侠 阅读(444) 评论(0) 推荐(0)