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authorjoenchen <joenchen@google.com>2022-11-22 12:46:04 +0000
committerjoenchen <joenchen@google.com>2022-12-01 08:14:38 +0000
commit4e4fb83bf22fdce683d0ba9044aaf18826f76be0 (patch)
treedbb96921593801fdb3c9854ab93c1276d9b175a4 /hwc3/ComposerCommandEngine.h
parent91b5698bd20bb0f38a52fb80172ecdeb7687351a (diff)
hwc3: Make the ComposerCommandEngine as local variable
A race condition exists because HWC uses only one ComposerCommandEngine::Writer for all displays. The writer takes responsibility to package AIDL functions’ return values and deliver the package to SF. When a thread is packaging the return value of the inner display by Writer, another thread may call Writer::reset() for the outer display. Bug: 247074458 Test: switch applications Change-Id: I7393bd6d01008b09ac4f4a733fc7d024aaf05352
Diffstat (limited to 'hwc3/ComposerCommandEngine.h')
-rw-r--r--hwc3/ComposerCommandEngine.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/hwc3/ComposerCommandEngine.h b/hwc3/ComposerCommandEngine.h
index ae68285..872c7e5 100644
--- a/hwc3/ComposerCommandEngine.h
+++ b/hwc3/ComposerCommandEngine.h
@@ -30,7 +30,7 @@ class ComposerCommandEngine {
public:
ComposerCommandEngine(IComposerHal* hal, IResourceManager* resources)
: mHal(hal), mResources(resources) {}
- bool init();
+ int32_t init();
int32_t execute(const std::vector<DisplayCommand>& commands,
std::vector<CommandResultPayload>* result);