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Coroutines support libraries for Kotlin

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/*
 * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
 */

package kotlinx.coroutines.internal

internal actual typealias ReentrantLock = NoOpLock

internal actual inline fun  ReentrantLock.withLock(action: () -> T) = action()

internal class NoOpLock {
    fun tryLock() = true
    fun unlock(): Unit {}
}

internal actual fun  subscriberList(): MutableList = CopyOnWriteList()

internal actual fun  identitySet(expectedSize: Int): MutableSet = HashSet()

@Suppress("ACTUAL_WITHOUT_EXPECT")
internal actual typealias SharedImmutable = kotlin.native.concurrent.SharedImmutable