| /* |
| * Copyright 2016-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license. |
| */ |
| |
| // This file was automatically generated from cancellation-and-timeouts.md by Knit tool. Do not edit. |
| package kotlinx.coroutines.guide.exampleCancel03 |
| |
| import kotlinx.coroutines.* |
| |
| fun main() = runBlocking { |
| val startTime = currentTimeMillis() |
| val job = launch(Dispatchers.Default) { |
| var nextPrintTime = startTime |
| var i = 0 |
| while (isActive) { // cancellable computation loop |
| // print a message twice a second |
| if (currentTimeMillis() >= nextPrintTime) { |
| println("job: I'm sleeping ${i++} ...") |
| nextPrintTime += 500L |
| } |
| } |
| } |
| delay(1300L) // delay a bit |
| println("main: I'm tired of waiting!") |
| job.cancelAndJoin() // cancels the job and waits for its completion |
| println("main: Now I can quit.") |
| } |