Check for spurious wake ups
Condition::wait() can spuriously wake up, so we must guard it with
another check to ensure that a given wake was truly due to having
been signaled.
Bug: 34592766
Test: Boot bullhead
Change-Id: Iaa5a0ca6186aea50c51e2c402ef95d7ba861be92
diff --git a/libs/hwui/renderthread/RenderTask.h b/libs/hwui/renderthread/RenderTask.h
index 9ea671b..a7acf91 100644
--- a/libs/hwui/renderthread/RenderTask.h
+++ b/libs/hwui/renderthread/RenderTask.h
@@ -60,13 +60,15 @@
public:
// Takes ownership of task, caller owns lock and signal
SignalingRenderTask(RenderTask* task, Mutex* lock, Condition* signal)
- : mTask(task), mLock(lock), mSignal(signal) {}
+ : mTask(task), mLock(lock), mSignal(signal), mHasRun(false) {}
virtual void run() override;
+ bool hasRun() const { return mHasRun; }
private:
RenderTask* mTask;
Mutex* mLock;
Condition* mSignal;
+ bool mHasRun;
};
typedef void* (*RunnableMethod)(void* data);