在追加到Dispatch Queue中的多個(gè)處理全部結(jié)束后想執(zhí)行結(jié)束處理
dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
dispatch_group_t group = dispatch_group_create();
dispatch_group_async(group, queue, ^{
NSLog(@"0");
});
dispatch_group_async(group, queue, ^{
NSLog(@"1");
});
dispatch_group_async(group, queue, ^{
NSLog(@"2");
});
dispatch_group_notify(group, dispatch_get_main_queue(), ^{
NSLog(@"done");
});
