func interrupt()
Sends an interrupt signal to the receiver and all of its subtasks.
割り込み信号をレシーバとそれの下位タスクの全てに送ります。
func resume() -> Bool
Resumes execution of a suspended task.
func suspend() -> Bool
Suspends execution of the receiver task.
レシーバタスクの遂行を一時停止します。
func terminate()
Sends a terminate signal to the receiver and all of its subtasks.
終止信号をレシーバとそれの下位タスクの全てに送ります。
func waitUntilExit ()
Blocks the process until the receiver is finished.