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Coroutines support libraries for Kotlin

There is a newer version: 1.9.0

/*
 * Copyright 2016-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
 */

package kotlinx.coroutines.internal

import kotlinx.atomicfu.*
import kotlin.native.concurrent.*
import kotlinx.atomicfu.locks.withLock as withLock2

@Suppress("ACTUAL_WITHOUT_EXPECT")
internal actual typealias ReentrantLock = kotlinx.atomicfu.locks.SynchronizedObject

internal actual inline fun  ReentrantLock.withLock(action: () -> T): T = this.withLock2(action)

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

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


// "Suppress-supporting throwable" is currently used for tests only
internal open class SuppressSupportingThrowableImpl : Throwable() {
    private val _suppressed = atomic>(emptyArray())

    val suppressed: Array
        get() = _suppressed.value

    fun addSuppressed(other: Throwable) {
        _suppressed.update { current ->
            current + other
        }
    }
}

@SharedImmutable
@OptIn(ExperimentalStdlibApi::class)
internal val multithreadingSupported: Boolean = kotlin.native.isExperimentalMM()