- (void)viewDidLoad {
[super viewDidLoad];
// 获得全局队列
dispatch_queue_t q = dispatch_get_global_queue(0, 0);
// 执行同步任务
dispatch_sync(q, ^{
// 让执行该任务的线程休眠2s
[NSThread sleepForTimeInterval:2.0];
NSLog(@"block - %@",[NSThread currentThread]);
});
NSLog(@"viewDidLoad - %@",[NSThread currentThread]);
}
- (void)viewDidLoad {
[super viewDidLoad];
// 获得全局队列
dispatch_queue_t q = dispatch_get_global_queue(0, 0);
// 执行异步任务
dispatch_async(q, ^{
//
for (int i = 0; i<10; i++) {
NSLog(@"block - %@ - %d",[NSThread currentThread],i);
}
});
NSLog(@"viewDidLoad - %@",[NSThread currentThread]);
}
- (void)viewDidLoad {
[superviewDidLoad];
//获得全局队列
dispatch_queue_t q =dispatch_get_global_queue(0, 0);
//执行异步任务
for (int i = 0; i< 10; i++) {
dispatch_async(q, ^{
NSLog(@"block - %@ - %d",[NSThreadcurrentThread],i);
});
}
NSLog(@"viewDidLoad - %@",[NSThreadcurrentThread]);
}
原文地址：http://blog.csdn.net/u011058732/article/details/44464569
