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Commit cf45596d authored by Glenn Kasten's avatar Glenn Kasten Committed by Android (Google) Code Review
Browse files

Merge "Improve resistance to leaks for ConfigEvent"

parents 2efd1184 4b220f0a

services/audioflinger/AudioFlinger.cpp

+6 −7
Original line number Diff line number Diff line
@@ -1066,9 +1066,9 @@ void AudioFlinger::ThreadBase::sendConfigEvent(int event, int param) 
// sendConfigEvent_l() must be called with ThreadBase::mLock held

void AudioFlinger::ThreadBase::sendConfigEvent_l(int event, int param)

{

    ConfigEvent *configEvent = new ConfigEvent();

    configEvent->mEvent = event;

    configEvent->mParam = param;

    ConfigEvent configEvent;

    configEvent.mEvent = event;

    configEvent.mParam = param;

    mConfigEvents.add(configEvent);

    ALOGV("sendConfigEvent() num events %d event %d, param %d", mConfigEvents.size(), event, param);

    mWaitWorkCV.signal();
@@ -1079,15 +1079,14 @@ void AudioFlinger::ThreadBase::processConfigEvents() 
    mLock.lock();

    while(!mConfigEvents.isEmpty()) {

        ALOGV("processConfigEvents() remaining events %d", mConfigEvents.size());

        ConfigEvent *configEvent = mConfigEvents[0];

        ConfigEvent configEvent = mConfigEvents[0];

        mConfigEvents.removeAt(0);

        // release mLock before locking AudioFlinger mLock: lock order is always

        // AudioFlinger then ThreadBase to avoid cross deadlock

        mLock.unlock();

        mAudioFlinger->mLock.lock();

        audioConfigChanged_l(configEvent->mEvent, configEvent->mParam);

        audioConfigChanged_l(configEvent.mEvent, configEvent.mParam);

        mAudioFlinger->mLock.unlock();

        delete configEvent;

        mLock.lock();

    }

    mLock.unlock();
@@ -1134,7 +1133,7 @@ status_t AudioFlinger::ThreadBase::dumpBase(int fd, const Vector<String16>& args 
    snprintf(buffer, SIZE, " Index event param\n");

    result.append(buffer);

    for (size_t i = 0; i < mConfigEvents.size(); i++) {

        snprintf(buffer, SIZE, " %02d    %02d    %d\n", i, mConfigEvents[i]->mEvent, mConfigEvents[i]->mParam);

        snprintf(buffer, SIZE, " %02d    %02d    %d\n", i, mConfigEvents[i].mEvent, mConfigEvents[i].mParam);

        result.append(buffer);

    }

    result.append("\n");

services/audioflinger/AudioFlinger.h

+1 −1
Original line number Diff line number Diff line
@@ -547,7 +547,7 @@ private: 
                    Condition               mParamCond;

                    Vector<String8>         mNewParameters;

                    status_t                mParamStatus;

                    Vector<ConfigEvent *>   mConfigEvents;

                    Vector<ConfigEvent>     mConfigEvents;

                    bool                    mStandby;

                    int                     mId;

                    bool                    mExiting;