commit 50c3157c5a3e0617be77716beff1ae8801d8a72f
author Haynes Mathew George <hgeorge@codeaurora.org> Tue Dec 03 21:26:02 2013 -0800
committer Eric Laurent <elaurent@google.com> Tue Mar 04 16:03:12 2014 -0800
tree 7b550f2609351c85fc70658220f14e3a5737288e
parent e0cd1051ed9fea0629745c29020516ae62298461

audioflinger: check for condition before waiting

AsyncCallbackThread must check for any condition that
was already been satisfied before waiting.

Bug: 11824817
Change-Id: I04683a1f355de4f440106cab47fd916aa39d5e35

services/audioflinger/Threads.cpp

diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index 64d7ec3..110e45c 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -3863,7 +3863,12 @@
 
         {
             Mutex::Autolock _l(mLock);
-            mWaitWorkCV.wait(mLock);
+            while (!((mWriteAckSequence & 1) ||
+                     (mDrainSequence & 1) ||
+                     exitPending())) {
+                mWaitWorkCV.wait(mLock);
+            }
+
             if (exitPending()) {
                 break;
             }