| /* |
| * Copyright 2016-2017 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package kotlinx.coroutines.experimental |
| |
| import java.util.concurrent.locks.LockSupport |
| |
| internal interface TimeSource { |
| fun nanoTime(): Long |
| fun trackTask(block: Runnable): Runnable |
| fun unTrackTask() |
| fun registerTimeLoopThread() |
| fun unregisterTimeLoopThread() |
| fun parkNanos(blocker: Any, nanos: Long) // should return immediately when nanos <= 0 |
| fun unpark(thread: Thread) |
| } |
| |
| internal object DefaultTimeSource : TimeSource { |
| override fun nanoTime(): Long = System.nanoTime() |
| override fun trackTask(block: Runnable): Runnable = block |
| override fun unTrackTask() {} |
| override fun registerTimeLoopThread() {} |
| override fun unregisterTimeLoopThread() {} |
| |
| override fun parkNanos(blocker: Any, nanos: Long) { |
| LockSupport.parkNanos(blocker, nanos) |
| } |
| |
| override fun unpark(thread: Thread) { |
| LockSupport.unpark(thread) |
| } |
| } |
| |
| internal var timeSource: TimeSource = DefaultTimeSource |