[K/N] Move kotlin.native.internal.GC into kotlin.native.runtime

As a part of efforts to stabilize Native stdlib #KT-55765.

kotlin-native/backend.native/tests/runtime/basic/cleaner_basic.kt

@@ -2,7 +2,7 @@
  * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
  * that can be found in the LICENSE file.
  */
-@file:OptIn(ExperimentalStdlibApi::class, FreezingIsDeprecated::class)
+@file:OptIn(ExperimentalStdlibApi::class, FreezingIsDeprecated::class, kotlin.native.runtime.NativeRuntimeApi::class)
 
 package runtime.basic.cleaner_basic
 
@@ -13,6 +13,7 @@ import kotlin.native.concurrent.*
 import kotlin.native.ref.WeakReference
 import kotlin.native.ref.Cleaner
 import kotlin.native.ref.createCleaner
+import kotlin.native.runtime.GC
 
 class AtomicBoolean(initialValue: Boolean) {
     private val impl = AtomicInt(if (initialValue) 1 else 0)

kotlin-native/backend.native/tests/runtime/basic/cleaner_in_tls_worker.kt

@@ -2,7 +2,7 @@
  * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
  * that can be found in the LICENSE file.
  */
-@file:OptIn(ExperimentalStdlibApi::class)
+@file:OptIn(ExperimentalStdlibApi::class, kotlin.native.runtime.NativeRuntimeApi::class)
 
 import kotlin.test.*
 
@@ -10,6 +10,7 @@ import kotlin.native.concurrent.*
 import kotlin.native.internal.*
 import kotlin.native.ref.Cleaner
 import kotlin.native.ref.createCleaner
+import kotlin.native.runtime.GC
 
 @ThreadLocal
 var tlsCleaner: Cleaner? = null

kotlin-native/backend.native/tests/runtime/basic/cleaner_workers.kt

@@ -2,7 +2,7 @@
  * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
  * that can be found in the LICENSE file.
  */
-@file:OptIn(ExperimentalStdlibApi::class, FreezingIsDeprecated::class, kotlin.experimental.ExperimentalNativeApi::class)
+@file:OptIn(ExperimentalStdlibApi::class, FreezingIsDeprecated::class, kotlin.experimental.ExperimentalNativeApi::class, kotlin.native.runtime.NativeRuntimeApi::class)
 
 package runtime.basic.cleaner_workers
 
@@ -13,6 +13,7 @@ import kotlin.native.concurrent.*
 import kotlin.native.ref.WeakReference
 import kotlin.native.ref.Cleaner
 import kotlin.native.ref.createCleaner
+import kotlin.native.runtime.GC
 
 class AtomicBoolean(initialValue: Boolean) {
     private val impl = AtomicInt(if (initialValue) 1 else 0)

kotlin-native/backend.native/tests/runtime/collections/hash_map1.kt

@@ -7,7 +7,6 @@ package runtime.collections.hash_map1
 
 import kotlin.native.MemoryModel
 import kotlin.native.Platform
-import kotlin.native.internal.GC
 import kotlin.test.*
 
 fun assertTrue(cond: Boolean) {

kotlin-native/backend.native/tests/runtime/concurrent/worker_bound_reference0.kt

@@ -2,16 +2,16 @@
  * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
  * that can be found in the LICENSE file.
  */
-@file:OptIn(FreezingIsDeprecated::class)
+@file:OptIn(FreezingIsDeprecated::class, kotlin.native.runtime.NativeRuntimeApi::class)
 
 package runtime.concurrent.worker_bound_reference0
 
 import kotlin.test.*
 
 import kotlin.native.concurrent.*
-import kotlin.native.internal.GC
 import kotlin.native.*
 import kotlin.native.ref.WeakReference
+import kotlin.native.runtime.GC
 import kotlin.text.Regex
 
 class A(var a: Int)

kotlin-native/backend.native/tests/runtime/memory/cycle_collector.kt

@@ -1,5 +1,7 @@
+@file:OptIn(kotlin.native.runtime.NativeRuntimeApi::class)
+
 import kotlin.native.concurrent.*
-import kotlin.native.internal.GC
+import kotlin.native.runtime.GC
 import kotlin.native.Platform
 import kotlin.test.*
 
@@ -44,15 +46,15 @@ fun makeIt(): Holder {
 fun test4() {
     val holder = makeIt()
     // To clean rc count coming from rememberNewContainer().
-    kotlin.native.internal.GC.collect()
+    kotlin.native.runtime.GC.collect()
     // Request cyclic collection.
-    kotlin.native.internal.GC.collectCyclic()
+    kotlin.native.runtime.GC.collectCyclic()
     // Ensure we processed delayed release.
     repeat(10) {
         // Wait a bit and process queue.
         Worker.current.park(10)
         Worker.current.processQueue()
-        kotlin.native.internal.GC.collect()
+        kotlin.native.runtime.GC.collect()
     }
     val value = @Suppress("UNCHECKED_CAST") (holder.other as? AtomicReference<Holder?>?)
     assertTrue(value != null)
@@ -77,15 +79,15 @@ fun createHolder2() = Holder2(createRef())
 
 fun test5() {
     val holder = createHolder2()
-    kotlin.native.internal.GC.collect()
-    kotlin.native.internal.GC.collectCyclic()
+    kotlin.native.runtime.GC.collect()
+    kotlin.native.runtime.GC.collectCyclic()
     Worker.current.park(100 * 1000)
     holder.switch()
-    kotlin.native.internal.GC.collect()
+    kotlin.native.runtime.GC.collect()
     Worker.current.park(100 * 1000)
     withWorker {
         executeAfter(0L, {
-            kotlin.native.internal.GC.collect()
+            kotlin.native.runtime.GC.collect()
         }.freeze())
     }
     Worker.current.park(1000)
@@ -109,9 +111,9 @@ fun createRoot(): AtomicReference<Any?> {
 
 fun test7() {
     val ref1 = createRoot()
-    kotlin.native.internal.GC.collect()
+    kotlin.native.runtime.GC.collect()
 
-    kotlin.native.internal.GC.collectCyclic()
+    kotlin.native.runtime.GC.collectCyclic()
     Worker.current.park(500 * 1000L)
 
     withWorker {
@@ -177,7 +179,7 @@ fun test9() {
 
 fun main() {
     Platform.isMemoryLeakCheckerActive = true
-    kotlin.native.internal.GC.cyclicCollectorEnabled = true
+    kotlin.native.runtime.GC.cyclicCollectorEnabled = true
     test1()
     test2()
     test3()

kotlin-native/backend.native/tests/runtime/memory/cycle_collector_deadlock1.kt

@@ -1,9 +1,9 @@
 import kotlin.native.concurrent.*
-import kotlin.native.internal.GC
 import kotlin.test.*
 
+@OptIn(kotlin.native.runtime.NativeRuntimeApi::class)
 fun main() {
-    kotlin.native.internal.GC.cyclicCollectorEnabled = true
+    kotlin.native.runtime.GC.cyclicCollectorEnabled = true
 
     repeat(10000) {
         // Create atomic cyclic garbage:

kotlin-native/backend.native/tests/runtime/memory/cycle_detector.kt

@@ -1,5 +1,7 @@
+@file:OptIn(kotlin.native.runtime.NativeRuntimeApi::class)
+
 import kotlin.native.concurrent.*
-import kotlin.native.internal.GC
+import kotlin.native.runtime.GC
 import kotlin.native.Platform
 import kotlin.test.*
 

kotlin-native/backend.native/tests/runtime/memory/cycles0.kt

@@ -44,11 +44,12 @@ fun createCycles(junk: Node) {
 
 }
 
+@OptIn(kotlin.native.runtime.NativeRuntimeApi::class)
 @Test fun runTest() {
     // Create outer link from cyclic garbage.
     val outer = Node(42, null, null, null)
     createCycles(outer)
-    kotlin.native.internal.GC.collect()
+    kotlin.native.runtime.GC.collect()
     // Ensure outer is not collected.
     println(outer.data)
 }

kotlin-native/backend.native/tests/runtime/memory/cycles1.kt

@@ -10,11 +10,12 @@ package runtime.memory.cycles1
 import kotlin.test.*
 import kotlin.native.ref.*
 
+@OptIn(kotlin.native.runtime.NativeRuntimeApi::class)
 @Test fun runTest() {
     // TODO: make it work in relaxed model as well.
     if (Platform.memoryModel == MemoryModel.RELAXED) return
     val weakRefToTrashCycle = createLoop()
-    kotlin.native.internal.GC.collect()
+    kotlin.native.runtime.GC.collect()
     assertNull(weakRefToTrashCycle.get())
 }
 

kotlin-native/backend.native/tests/runtime/memory/gcStats.kt

@@ -3,9 +3,9 @@
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
-@file:OptIn(kotlin.ExperimentalStdlibApi::class)
+@file:OptIn(kotlin.ExperimentalStdlibApi::class, kotlin.native.runtime.NativeRuntimeApi::class)
 
-import kotlin.native.internal.GC
+import kotlin.native.runtime.GC
 import kotlin.test.*
 
 

kotlin-native/backend.native/tests/runtime/memory/only_gc.kt

@@ -2,8 +2,8 @@
  * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
  * that can be found in the LICENSE file.
  */
-
+@OptIn(kotlin.native.runtime.NativeRuntimeApi::class)
 fun main(args: Array<String>) {
-    kotlin.native.internal.GC.collect()
+    kotlin.native.runtime.GC.collect()
 }
 

kotlin-native/backend.native/tests/runtime/memory/stress_gc_allocations.kt

@@ -2,6 +2,8 @@
  * Copyright 2010-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
  * that can be found in the LICENSE file.
  */
+@file:OptIn(kotlin.native.runtime.NativeRuntimeApi::class)
+
 import kotlin.test.*
 
 import kotlin.native.concurrent.*
@@ -58,8 +60,8 @@ fun test() {
     val progressReportsCount = 100
 
     if (Platform.memoryModel == MemoryModel.EXPERIMENTAL) {
-        kotlin.native.internal.GC.autotune = false
-        kotlin.native.internal.GC.targetHeapBytes = retainLimit
+        kotlin.native.runtime.GC.autotune = false
+        kotlin.native.runtime.GC.targetHeapBytes = retainLimit
     }
 
     // On Linux, the child process might immediately commit the same amount of memory as the parent.

kotlin-native/backend.native/tests/runtime/memory/weak0.kt

@@ -28,15 +28,16 @@ fun multiWeak(): Array<WeakReference<Data>>  {
     return weaks
 }
 
+@OptIn(kotlin.native.runtime.NativeRuntimeApi::class)
 @Test fun runTest() {
     val weak = localWeak()
-    kotlin.native.internal.GC.collect()
+    kotlin.native.runtime.GC.collect()
     val value = weak.get()
     println(value?.toString())
 
     val weaks = multiWeak()
 
-    kotlin.native.internal.GC.collect()
+    kotlin.native.runtime.GC.collect()
 
     weaks.forEach {
         it -> if (it.get()?.s != null) throw Error("not null")

kotlin-native/backend.native/tests/runtime/workers/atomic1.kt

@@ -4,11 +4,13 @@
  */
 
 // Note: This test reproduces a race, so it'll start flaking if problem is reintroduced.
+@file:OptIn(kotlin.native.runtime.NativeRuntimeApi::class)
 
 import kotlin.test.*
 
 import kotlin.native.concurrent.*
 import kotlin.native.internal.*
+import kotlin.native.runtime.GC
 
 val thrashGC = AtomicInt(1)
 val canStartCreating = AtomicInt(0)

kotlin-native/backend.native/tests/runtime/workers/freeze6.kt

@@ -2,7 +2,7 @@
  * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
  * that can be found in the LICENSE file.
  */
-@file:OptIn(FreezingIsDeprecated::class)
+@file:OptIn(FreezingIsDeprecated::class, kotlin.native.runtime.NativeRuntimeApi::class)
 
 package runtime.workers.freeze6
 
@@ -48,7 +48,7 @@ var global = 0
 @Test
 fun ensureFreezableHandlesCycles1() {
     val ref = createRef1()
-    kotlin.native.internal.GC.collect()
+    kotlin.native.runtime.GC.collect()
 
     val obj: Any = ref
     global = obj.hashCode()
@@ -86,7 +86,7 @@ fun createRef2(): Pair<FreezableAtomicReference<Node?>, Any> {
 @Test
 fun ensureFreezableHandlesCycles2() {
     val (ref, obj) = createRef2()
-    kotlin.native.internal.GC.collect()
+    kotlin.native.runtime.GC.collect()
 
     assertTrue(obj.toString().length > 0)
     global = ref.value!!.ref!!.hashCode()
@@ -108,7 +108,7 @@ fun createRef3(): FreezableAtomicReference<Any?> {
 fun ensureFreezableHandlesCycles3() {
     val ref = createRef3()
     ref.value = null
-    kotlin.native.internal.GC.collect()
+    kotlin.native.runtime.GC.collect()
 
     val obj: Any = ref
     assertTrue(obj.toString().length > 0)
@@ -133,7 +133,7 @@ fun ensureWeakRefNotLeaks1() {
     ref.value = null
     // We cannot check weakRef.get() here, as value read will be stored in the stack slot,
     // and thus hold weak reference from release.
-    kotlin.native.internal.GC.collect()
+    kotlin.native.runtime.GC.collect()
 
     assertTrue(weakRef.get() == null)
 }
@@ -155,6 +155,6 @@ fun createRef5() {
 @Test
 fun ensureWeakRefNotLeaks2() {
     createRef5()
-    kotlin.native.internal.GC.collect()
+    kotlin.native.runtime.GC.collect()
     assertTrue(weakNode2.get() == null)
 }

kotlin-native/backend.native/tests/runtime/workers/lazy2.kt

@@ -24,8 +24,9 @@ fun printAll() {
 // initializer field in frozen lazy object led to the crash, induced by breaking frozen objects'
 // invariant (initializer end up in the same container as the lazy object itself, so it was destroyed
 // earlier than it should when reference counter was decremented).
+@OptIn(kotlin.native.runtime.NativeRuntimeApi::class)
 fun main(args: Array<String>) {
     printAll()
-    kotlin.native.internal.GC.collect()
+    kotlin.native.runtime.GC.collect()
     println("OK")
 }

kotlin-native/backend.native/tests/runtime/workers/lazy3.kt

@@ -1,4 +1,4 @@
-@file:OptIn(FreezingIsDeprecated::class)
+@file:OptIn(FreezingIsDeprecated::class, kotlin.native.runtime.NativeRuntimeApi::class)
 
 import kotlin.native.concurrent.*
 import kotlin.native.ref.*
@@ -49,7 +49,7 @@ fun ensureGetsCollectedFrozenAndNotFrozen(create: () -> Any) {
 
 fun ensureGetsCollected(create: () -> Any) {
     val ref = makeWeakRef(create)
-    kotlin.native.internal.GC.collect()
+    kotlin.native.runtime.GC.collect()
     assertNull(ref.get())
 }
 

kotlin-native/backend.native/tests/runtime/workers/worker10.kt

@@ -1,4 +1,4 @@
-@file:OptIn(FreezingIsDeprecated::class, kotlin.experimental.ExperimentalNativeApi::class)
+@file:OptIn(FreezingIsDeprecated::class, kotlin.experimental.ExperimentalNativeApi::class, kotlin.native.runtime.NativeRuntimeApi::class)
 package runtime.workers.worker10
 
 import kotlin.test.*
@@ -99,7 +99,7 @@ val semaphore = AtomicInt(0)
     }
     while (semaphore.value != 1) {}
     atomicRef.value = null
-    kotlin.native.internal.GC.collect()
+    kotlin.native.runtime.GC.collect()
     semaphore.increment()
     future.result
     worker.requestTermination().result
@@ -116,7 +116,7 @@ val semaphore = AtomicInt(0)
     }
     while (semaphore.value != 1) {}
     stableRef.dispose()
-    kotlin.native.internal.GC.collect()
+    kotlin.native.runtime.GC.collect()
     semaphore.increment()
     future.result
     worker.requestTermination().result
@@ -135,12 +135,12 @@ val stableHolder1 = StableRef.create(("hello" to "world").freeze())
         ensureWeakIs(it, "hello" to "world")
         semaphore.increment()
         while (semaphore.value != 2) {}
-        kotlin.native.internal.GC.collect()
+        kotlin.native.runtime.GC.collect()
         ensureWeakIs(it, null)
     }
     while (semaphore.value != 1) {}
     stableHolder1.dispose()
-    kotlin.native.internal.GC.collect()
+    kotlin.native.runtime.GC.collect()
     semaphore.increment()
     future.result
     worker.requestTermination().result
@@ -155,12 +155,12 @@ val stableHolder2 = StableRef.create(("hello" to "world").freeze())
         val value = it.get()
         semaphore.increment()
         while (semaphore.value != 2) {}
-        kotlin.native.internal.GC.collect()
+        kotlin.native.runtime.GC.collect()
         assertEquals("hello" to "world", value)
     }
     while (semaphore.value != 1) {}
     stableHolder2.dispose()
-    kotlin.native.internal.GC.collect()
+    kotlin.native.runtime.GC.collect()
     semaphore.increment()
     future.result
     worker.requestTermination().result
@@ -178,7 +178,7 @@ val atomicRef2 = AtomicReference<Any?>(Any().freeze())
     }
     while (semaphore.value != 1) {}
     atomicRef2.value = null
-    kotlin.native.internal.GC.collect()
+    kotlin.native.runtime.GC.collect()
     semaphore.increment()
     future.result
     worker.requestTermination().result

kotlin-native/backend.native/tests/runtime/workers/worker9.kt

@@ -80,12 +80,13 @@ fun makeCyclic(): Node {
     return outer
 }
 
+@OptIn(kotlin.native.runtime.NativeRuntimeApi::class)
 @Test fun runTest4() {
     val worker = Worker.start()
 
     val future = worker.execute(TransferMode.SAFE, { }) {
         makeCyclic().also {
-            kotlin.native.internal.GC.collect()
+            kotlin.native.runtime.GC.collect()
         }
     }
     assert(future.result != null)

kotlin-native/backend.native/tests/runtime/workers/worker9_experimentalMM.kt

@@ -78,12 +78,13 @@ fun makeCyclic(): Node {
     return outer
 }
 
+@OptIn(kotlin.native.runtime.NativeRuntimeApi::class)
 @Test fun runTest4() {
     val worker = Worker.start()
 
     val future = worker.execute(TransferMode.SAFE, { }) {
         makeCyclic().also {
-            kotlin.native.internal.GC.collect()
+            kotlin.native.runtime.GC.collect()
         }
     }
     assert(future.result != null)