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Commit 8762075b authored by Ady Abraham's avatar Ady Abraham Committed by Android (Google) Code Review
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Merge "RESTRICT AUTOMERGE SurfaceFlinger: fix a potential race condition in... 

Merge "RESTRICT AUTOMERGE SurfaceFlinger: fix a potential race condition in stealReceiveChannel" into sc-v2-dev
parents b2ea362f 97a31706

services/surfaceflinger/Scheduler/EventThread.cpp

+5 −0
Original line number Diff line number Diff line
@@ -171,6 +171,11 @@ void EventThreadConnection::onFirstRef() { 
}



status_t EventThreadConnection::stealReceiveChannel(gui::BitTube* outChannel) {

    std::scoped_lock lock(mLock);

    if (mChannel.initCheck() != NO_ERROR) {

        return NAME_NOT_FOUND;

    }



    outChannel->setReceiveFd(mChannel.moveReceiveFd());

    outChannel->setSendFd(base::unique_fd(dup(mChannel.getSendFd())));

    return NO_ERROR;

services/surfaceflinger/Scheduler/EventThread.h

+2 −1
Original line number Diff line number Diff line
@@ -102,7 +102,8 @@ public: 
private:

    virtual void onFirstRef();

    EventThread* const mEventThread;

    gui::BitTube mChannel;

    std::mutex mLock;

    gui::BitTube mChannel GUARDED_BY(mLock);



    std::vector<DisplayEventReceiver::Event> mPendingEvents;

};