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/*
* Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
*/
// This file was automatically generated from coroutines-guide.md by Knit tool. Do not edit.
package kotlinx.coroutines.guide.sync06
import kotlinx.coroutines.*
import kotlinx.coroutines.sync.*
import kotlin.system.*
suspend fun CoroutineScope.massiveRun(action: suspend () -> Unit) {
val n = 100 // number of coroutines to launch
val k = 1000 // times an action is repeated by each coroutine
val time = measureTimeMillis {
val jobs = List(n) {
launch {
repeat(k) { action() }
}
}
jobs.forEach { it.join() }
}
println("Completed ${n * k} actions in $time ms")
}
val mutex = Mutex()
var counter = 0
fun main() = runBlocking<Unit> {
//sampleStart
GlobalScope.massiveRun {
mutex.withLock {
counter++
}
}
println("Counter = $counter")
//sampleEnd
}
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