Disable Clang thread-safety checks in surfaceflinger unit tests
Parent bug: b/353324127. Enabling `thread-safety-reference-return`
to allow developers to utilize Clang thread safety guardrails.
The surfaceflinger unittest suite currently does not untilize mutex
locks when calling required thread-safe variables.
Example error:
frameworks/native/services/surfaceflinger/tests/unittests/TestableScheduler.h:133:52
error: returning variable 'mAttachedChoreographers' by reference
requires holding mutex 'mChoreographerLock' exclusively
[-Wthread-safety-reference-return]
Added NO_THREAD_SAFETY_ANALYSIS annotations to violating functions.
Bug: 354740314
Test: make
Change-Id: I95793ab942207660ea8e49cfd50d089e956a7ada
diff --git a/services/surfaceflinger/tests/unittests/TestableScheduler.h b/services/surfaceflinger/tests/unittests/TestableScheduler.h
index f063809..1f7bf5f 100644
--- a/services/surfaceflinger/tests/unittests/TestableScheduler.h
+++ b/services/surfaceflinger/tests/unittests/TestableScheduler.h
@@ -133,7 +133,9 @@
using Scheduler::resyncAllToHardwareVsync;
auto& mutableLayerHistory() { return mLayerHistory; }
- auto& mutableAttachedChoreographers() { return mAttachedChoreographers; }
+ auto& mutableAttachedChoreographers() NO_THREAD_SAFETY_ANALYSIS {
+ return mAttachedChoreographers;
+ }
size_t layerHistorySize() NO_THREAD_SAFETY_ANALYSIS {
return mLayerHistory.mActiveLayerInfos.size() + mLayerHistory.mInactiveLayerInfos.size();
diff --git a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
index 264f49a..c11b555 100644
--- a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
+++ b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
@@ -663,8 +663,10 @@
* post-conditions.
*/
- const auto& displays() const { return mFlinger->mDisplays; }
- const auto& physicalDisplays() const { return mFlinger->mPhysicalDisplays; }
+ const auto& displays() const NO_THREAD_SAFETY_ANALYSIS { return mFlinger->mDisplays; }
+ const auto& physicalDisplays() const NO_THREAD_SAFETY_ANALYSIS {
+ return mFlinger->mPhysicalDisplays;
+ }
const auto& currentState() const { return mFlinger->mCurrentState; }
const auto& drawingState() const { return mFlinger->mDrawingState; }
const auto& transactionFlags() const { return mFlinger->mTransactionFlags; }
@@ -677,13 +679,17 @@
auto& mutableDisplayModeController() { return mFlinger->mDisplayModeController; }
auto& mutableCurrentState() { return mFlinger->mCurrentState; }
auto& mutableDisplayColorSetting() { return mFlinger->mDisplayColorSetting; }
- auto& mutableDisplays() { return mFlinger->mDisplays; }
- auto& mutablePhysicalDisplays() { return mFlinger->mPhysicalDisplays; }
+ auto& mutableDisplays() NO_THREAD_SAFETY_ANALYSIS { return mFlinger->mDisplays; }
+ auto& mutablePhysicalDisplays() NO_THREAD_SAFETY_ANALYSIS {
+ return mFlinger->mPhysicalDisplays;
+ }
auto& mutableDrawingState() { return mFlinger->mDrawingState; }
auto& mutableGeometryDirty() { return mFlinger->mGeometryDirty; }
auto& mutableVisibleRegionsDirty() { return mFlinger->mVisibleRegionsDirty; }
auto& mutableMainThreadId() { return mFlinger->mMainThreadId; }
- auto& mutablePendingHotplugEvents() { return mFlinger->mPendingHotplugEvents; }
+ auto& mutablePendingHotplugEvents() NO_THREAD_SAFETY_ANALYSIS {
+ return mFlinger->mPendingHotplugEvents;
+ }
auto& mutableTransactionFlags() { return mFlinger->mTransactionFlags; }
auto& mutableDebugDisableHWC() { return mFlinger->mDebugDisableHWC; }
auto& mutableMaxRenderTargetSize() { return mFlinger->mMaxRenderTargetSize; }
@@ -691,7 +697,7 @@
auto& mutableHwcDisplayData() { return getHwComposer().mDisplayData; }
auto& mutableHwcPhysicalDisplayIdMap() { return getHwComposer().mPhysicalDisplayIdMap; }
auto& mutablePrimaryHwcDisplayId() { return getHwComposer().mPrimaryHwcDisplayId; }
- auto& mutableActiveDisplayId() { return mFlinger->mActiveDisplayId; }
+ auto& mutableActiveDisplayId() NO_THREAD_SAFETY_ANALYSIS { return mFlinger->mActiveDisplayId; }
auto& mutablePreviouslyComposedLayers() { return mFlinger->mPreviouslyComposedLayers; }
auto& mutableActiveDisplayRotationFlags() {