GCD 并行子线程
1. 创建一个线程
dispatch_queue_t globalQueue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
2. 将任务放进该线程
dispatch_async(globalQueue, ^{
NSLog(@"并行子线程任务1 -- %@",[NSThread currentThread]);
});
dispatch_async(globalQueue, ^{
NSLog(@"并行子线程任务2 -- %@",[NSThread currentThread]);
});
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