dispatch_async内の処理について private var queue: dispatch_queue_t = dispatch_queue_create("test.test.testcall", DISPATCH_QUEUE_SERIAL) func test() { NSLog() dispatch_async(queue, { NSLog() }) } [:] ID swift swift CObje-C C(mm) swift→Obje-C++→C++→Obje-C++→swift CObje-C Obje-C++dispatch_async()ID

> ID

test()queue(1),(2)ID
(2)test()