1 /*
2  * Copyright 2016-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
3  */
4 
5 // This file was automatically generated from cancellation-and-timeouts.md by Knit tool. Do not edit.
6 package kotlinx.coroutines.guide.exampleCancel08
7 
8 import kotlinx.coroutines.*
9 
10 var acquired = 0
11 
12 class Resource {
13     init { acquired++ } // Acquire the resource
closenull14     fun close() { acquired-- } // Release the resource
15 }
16 
mainnull17 fun main() {
18     runBlocking {
19         repeat(100_000) { // Launch 100K coroutines
20             launch {
21                 val resource = withTimeout(60) { // Timeout of 60 ms
22                     delay(50) // Delay for 50 ms
23                     Resource() // Acquire a resource and return it from withTimeout block
24                 }
25                 resource.close() // Release the resource
26             }
27         }
28     }
29     // Outside of runBlocking all coroutines have completed
30     println(acquired) // Print the number of resources still acquired
31 }
32