1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.media.cts; 18 19 /** 20 * Helper class to simplify the handling of spurious wakeups in Object.wait() 21 */ 22 final class SafeWaitObject { 23 private boolean mQuit = false; 24 25 public void safeNotify() { 26 synchronized (this) { 27 mQuit = true; 28 this.notify(); 29 } 30 } 31 32 public void safeWait(long millis) throws InterruptedException { 33 final long timeOutTime = java.lang.System.currentTimeMillis() + millis; 34 synchronized (this) { 35 while (!mQuit) { 36 final long timeToWait = timeOutTime - java.lang.System.currentTimeMillis(); 37 if (timeToWait < 0) { 38 break; 39 } 40 this.wait(timeToWait); 41 } 42 } 43 } 44 } 45
