Index: talk/app/webrtc/java/android/org/webrtc/ThreadUtils.java |
diff --git a/talk/app/webrtc/java/android/org/webrtc/ThreadUtils.java b/talk/app/webrtc/java/android/org/webrtc/ThreadUtils.java |
deleted file mode 100644 |
index e60ead9f0093686ec97a2303e719596e9a1bb0a4..0000000000000000000000000000000000000000 |
--- a/talk/app/webrtc/java/android/org/webrtc/ThreadUtils.java |
+++ /dev/null |
@@ -1,192 +0,0 @@ |
-/* |
- * libjingle |
- * Copyright 2015 Google Inc. |
- * |
- * Redistribution and use in source and binary forms, with or without |
- * modification, are permitted provided that the following conditions are met: |
- * |
- * 1. Redistributions of source code must retain the above copyright notice, |
- * this list of conditions and the following disclaimer. |
- * 2. Redistributions in binary form must reproduce the above copyright notice, |
- * this list of conditions and the following disclaimer in the documentation |
- * and/or other materials provided with the distribution. |
- * 3. The name of the author may not be used to endorse or promote products |
- * derived from this software without specific prior written permission. |
- * |
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
- */ |
- |
-package org.webrtc; |
- |
-import android.os.Handler; |
-import android.os.SystemClock; |
- |
-import java.util.concurrent.Callable; |
-import java.util.concurrent.CountDownLatch; |
-import java.util.concurrent.TimeUnit; |
- |
-public class ThreadUtils { |
- /** |
- * Utility class to be used for checking that a method is called on the correct thread. |
- */ |
- public static class ThreadChecker { |
- private Thread thread = Thread.currentThread(); |
- |
- public void checkIsOnValidThread() { |
- if (thread == null) { |
- thread = Thread.currentThread(); |
- } |
- if (Thread.currentThread() != thread) { |
- throw new IllegalStateException("Wrong thread"); |
- } |
- } |
- |
- public void detachThread() { |
- thread = null; |
- } |
- } |
- |
- /** |
- * Utility interface to be used with executeUninterruptibly() to wait for blocking operations |
- * to complete without getting interrupted.. |
- */ |
- public interface BlockingOperation { |
- void run() throws InterruptedException; |
- } |
- |
- /** |
- * Utility method to make sure a blocking operation is executed to completion without getting |
- * interrupted. This should be used in cases where the operation is waiting for some critical |
- * work, e.g. cleanup, that must complete before returning. If the thread is interrupted during |
- * the blocking operation, this function will re-run the operation until completion, and only then |
- * re-interrupt the thread. |
- */ |
- public static void executeUninterruptibly(BlockingOperation operation) { |
- boolean wasInterrupted = false; |
- while (true) { |
- try { |
- operation.run(); |
- break; |
- } catch (InterruptedException e) { |
- // Someone is asking us to return early at our convenience. We can't cancel this operation, |
- // but we should preserve the information and pass it along. |
- wasInterrupted = true; |
- } |
- } |
- // Pass interruption information along. |
- if (wasInterrupted) { |
- Thread.currentThread().interrupt(); |
- } |
- } |
- |
- public static boolean joinUninterruptibly(final Thread thread, long timeoutMs) { |
- final long startTimeMs = SystemClock.elapsedRealtime(); |
- long timeRemainingMs = timeoutMs; |
- boolean wasInterrupted = false; |
- while (timeRemainingMs > 0) { |
- try { |
- thread.join(timeRemainingMs); |
- break; |
- } catch (InterruptedException e) { |
- // Someone is asking us to return early at our convenience. We can't cancel this operation, |
- // but we should preserve the information and pass it along. |
- wasInterrupted = true; |
- final long elapsedTimeMs = SystemClock.elapsedRealtime() - startTimeMs; |
- timeRemainingMs = timeoutMs - elapsedTimeMs; |
- } |
- } |
- // Pass interruption information along. |
- if (wasInterrupted) { |
- Thread.currentThread().interrupt(); |
- } |
- return !thread.isAlive(); |
- } |
- |
- public static void joinUninterruptibly(final Thread thread) { |
- executeUninterruptibly(new BlockingOperation() { |
- @Override |
- public void run() throws InterruptedException { |
- thread.join(); |
- } |
- }); |
- } |
- |
- public static void awaitUninterruptibly(final CountDownLatch latch) { |
- executeUninterruptibly(new BlockingOperation() { |
- @Override |
- public void run() throws InterruptedException { |
- latch.await(); |
- } |
- }); |
- } |
- |
- public static boolean awaitUninterruptibly(CountDownLatch barrier, long timeoutMs) { |
- final long startTimeMs = SystemClock.elapsedRealtime(); |
- long timeRemainingMs = timeoutMs; |
- boolean wasInterrupted = false; |
- boolean result = false; |
- do { |
- try { |
- result = barrier.await(timeRemainingMs, TimeUnit.MILLISECONDS); |
- break; |
- } catch (InterruptedException e) { |
- // Someone is asking us to return early at our convenience. We can't cancel this operation, |
- // but we should preserve the information and pass it along. |
- wasInterrupted = true; |
- final long elapsedTimeMs = SystemClock.elapsedRealtime() - startTimeMs; |
- timeRemainingMs = timeoutMs - elapsedTimeMs; |
- } |
- } while (timeRemainingMs > 0); |
- // Pass interruption information along. |
- if (wasInterrupted) { |
- Thread.currentThread().interrupt(); |
- } |
- return result; |
- } |
- |
- /** |
- * Post |callable| to |handler| and wait for the result. |
- */ |
- public static <V> V invokeUninterruptibly(final Handler handler, final Callable<V> callable) { |
- class Result { |
- public V value; |
- } |
- final Result result = new Result(); |
- final CountDownLatch barrier = new CountDownLatch(1); |
- handler.post(new Runnable() { |
- @Override public void run() { |
- try { |
- result.value = callable.call(); |
- } catch (Exception e) { |
- throw new RuntimeException("Callable threw exception: " + e); |
- } |
- barrier.countDown(); |
- } |
- }); |
- awaitUninterruptibly(barrier); |
- return result.value; |
- } |
- |
- /** |
- * Post |runner| to |handler| and wait for the result. |
- */ |
- public static void invokeUninterruptibly(final Handler handler, final Runnable runner) { |
- final CountDownLatch barrier = new CountDownLatch(1); |
- handler.post(new Runnable() { |
- @Override public void run() { |
- runner.run(); |
- barrier.countDown(); |
- } |
- }); |
- awaitUninterruptibly(barrier); |
- } |
-} |