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Commit 76c0aa44 authored by Steven Moreland's avatar Steven Moreland
Browse files

Optimize BpBinder struct size. 

Unnecessary field, and some fields which could be bools. Only shaves off
a few bytes.

Bug: 148177595
Test: boots/works
Change-Id: Iec53d7398d0dc78c0f722e63d650252e769b00ad
parent a7fb0186

libs/binder/BpBinder.cpp

+7 −7
Original line number Diff line number Diff line
@@ -139,10 +139,10 @@ BpBinder* BpBinder::create(int32_t handle) { 
BpBinder::BpBinder(int32_t handle, int32_t trackedUid)

    : mHandle(handle)

    , mStability(0)

    , mAlive(1)

    , mObitsSent(0)

    , mObituaries(nullptr)

    , mTrackedUid(trackedUid)

    , mAlive(true)

    , mObitsSent(false)

    , mObituaries(nullptr)

{

    ALOGV("Creating BpBinder %p handle %d\n", this, mHandle);
@@ -185,7 +185,7 @@ const String16& BpBinder::getInterfaceDescriptor() const 


bool BpBinder::isBinderAlive() const

{

    return mAlive != 0;

    return mAlive;

}



status_t BpBinder::pingBinder()
@@ -236,7 +236,7 @@ status_t BpBinder::transact( 


        status_t status = IPCThreadState::self()->transact(

            mHandle, code, data, reply, flags);

        if (status == DEAD_OBJECT) mAlive = 0;

        if (status == DEAD_OBJECT) mAlive = false;



        return status;

    }
@@ -320,7 +320,7 @@ void BpBinder::sendObituary() 
    ALOGV("Sending obituary for proxy %p handle %d, mObitsSent=%s\n",

        this, mHandle, mObitsSent ? "true" : "false");



    mAlive = 0;

    mAlive = false;

    if (mObitsSent) return;



    mLock.lock();
@@ -332,7 +332,7 @@ void BpBinder::sendObituary() 
        self->flushCommands();

        mObituaries = nullptr;

    }

    mObitsSent = 1;

    mObitsSent = true;

    mLock.unlock();



    ALOGV("Reporting death of proxy %p for %zu recipients\n",

libs/binder/include/binder/BpBinder.h

+3 −4
Original line number Diff line number Diff line
@@ -133,13 +133,12 @@ private: 
            bool                isDescriptorCached() const;



    mutable Mutex               mLock;

            volatile int32_t    mAlive;

            volatile int32_t    mObitsSent;

            int32_t             mTrackedUid;

            volatile bool       mAlive;

            volatile bool       mObitsSent;

            Vector<Obituary>*   mObituaries;

            ObjectManager       mObjects;

            Parcel*             mConstantData;

    mutable String16            mDescriptorCache;

            int32_t             mTrackedUid;



    static Mutex                                sTrackingLock;

    static std::unordered_map<int32_t,uint32_t> sTrackingMap;