dispatch_semaphore_t semaphore = dispatch_semaphore_create(0); [self downZipFile:^(BOOL downSucceed) { dispatch_semaphore_signal(semaphore); }]; dispatch_semaphore_wait(semaphore, DISPATCH_TIME_FOREVER);
把iOS中block代码异步执行通过信号量变成同步执行
猜你喜欢
转载自blog.csdn.net/liuyinghui523/article/details/79926587
今日推荐
周排行