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Commit 1f3ac8b4 authored by Dianne Hackborn's avatar Dianne Hackborn Committed by Android Git Automerger
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am a4cff88d: Fix issue #18356768: some app process may hang at Runtime#exit... 

* commit 'a4cff88d':
  Fix issue #18356768: some app process may hang at Runtime#exit...
parents 35e5423d a4cff88d

include/private/binder/Static.h

+0 −5
Original line number Diff line number Diff line
@@ -34,11 +34,6 @@ extern Vector<int32_t> gTextBuffers; 
extern Mutex gProcessMutex;

extern sp<ProcessState> gProcess;



// For Parcel.cpp

extern Mutex gParcelGlobalAllocSizeLock;

extern size_t gParcelGlobalAllocSize;

extern size_t gParcelGlobalAllocCount;



// For IServiceManager.cpp

extern Mutex gDefaultServiceManagerLock;

extern sp<IServiceManager> gDefaultServiceManager;

libs/binder/Parcel.cpp

+22 −14
Original line number Diff line number Diff line
@@ -75,6 +75,10 @@ struct small_flat_data 


namespace android {



static pthread_mutex_t gParcelGlobalAllocSizeLock = PTHREAD_MUTEX_INITIALIZER;

static size_t gParcelGlobalAllocSize = 0;

static size_t gParcelGlobalAllocCount = 0;



void acquire_object(const sp<ProcessState>& proc,

    const flat_binder_object& obj, const void* who)

{
@@ -305,13 +309,17 @@ Parcel::~Parcel() 
}



size_t Parcel::getGlobalAllocSize() {

    AutoMutex _l(gParcelGlobalAllocSizeLock);

    return gParcelGlobalAllocSize;

    pthread_mutex_lock(&gParcelGlobalAllocSizeLock);

    size_t size = gParcelGlobalAllocSize;

    pthread_mutex_unlock(&gParcelGlobalAllocSizeLock);

    return size;

}



size_t Parcel::getGlobalAllocCount() {

    AutoMutex _l(gParcelGlobalAllocSizeLock);

    return gParcelGlobalAllocCount;

    pthread_mutex_lock(&gParcelGlobalAllocSizeLock);

    size_t count = gParcelGlobalAllocCount;

    pthread_mutex_unlock(&gParcelGlobalAllocSizeLock);

    return count;

}



const uint8_t* Parcel::data() const
@@ -1511,10 +1519,10 @@ void Parcel::freeDataNoInit() 
        releaseObjects();

        if (mData) {

            LOG_ALLOC("Parcel %p: freeing with %zu capacity", this, mDataCapacity);

            gParcelGlobalAllocSizeLock.lock();

            pthread_mutex_lock(&gParcelGlobalAllocSizeLock);

            gParcelGlobalAllocSize -= mDataCapacity;

            gParcelGlobalAllocCount--;

            gParcelGlobalAllocSizeLock.unlock();

            pthread_mutex_unlock(&gParcelGlobalAllocSizeLock);

            free(mData);

        }

        if (mObjects) free(mObjects);
@@ -1546,10 +1554,10 @@ status_t Parcel::restartWrite(size_t desired) 


    if (data) {

        LOG_ALLOC("Parcel %p: restart from %zu to %zu capacity", this, mDataCapacity, desired);

        gParcelGlobalAllocSizeLock.lock();

        pthread_mutex_lock(&gParcelGlobalAllocSizeLock);

        gParcelGlobalAllocSize += desired;

        gParcelGlobalAllocSize -= mDataCapacity;

        gParcelGlobalAllocSizeLock.unlock();

        pthread_mutex_unlock(&gParcelGlobalAllocSizeLock);

        mData = data;

        mDataCapacity = desired;

    }
@@ -1630,10 +1638,10 @@ status_t Parcel::continueWrite(size_t desired) 
        mOwner = NULL;



        LOG_ALLOC("Parcel %p: taking ownership of %zu capacity", this, desired);

        gParcelGlobalAllocSizeLock.lock();

        pthread_mutex_lock(&gParcelGlobalAllocSizeLock);

        gParcelGlobalAllocSize += desired;

        gParcelGlobalAllocCount++;

        gParcelGlobalAllocSizeLock.unlock();

        pthread_mutex_unlock(&gParcelGlobalAllocSizeLock);



        mData = data;

        mObjects = objects;
@@ -1671,10 +1679,10 @@ status_t Parcel::continueWrite(size_t desired) 
            if (data) {

                LOG_ALLOC("Parcel %p: continue from %zu to %zu capacity", this, mDataCapacity,

                        desired);

                gParcelGlobalAllocSizeLock.lock();

                pthread_mutex_lock(&gParcelGlobalAllocSizeLock);

                gParcelGlobalAllocSize += desired;

                gParcelGlobalAllocSize -= mDataCapacity;

                gParcelGlobalAllocSizeLock.unlock();

                pthread_mutex_unlock(&gParcelGlobalAllocSizeLock);

                mData = data;

                mDataCapacity = desired;

            } else if (desired > mDataCapacity) {
@@ -1706,10 +1714,10 @@ status_t Parcel::continueWrite(size_t desired) 
        }



        LOG_ALLOC("Parcel %p: allocating with %zu capacity", this, desired);

        gParcelGlobalAllocSizeLock.lock();

        pthread_mutex_lock(&gParcelGlobalAllocSizeLock);

        gParcelGlobalAllocSize += desired;

        gParcelGlobalAllocCount++;

        gParcelGlobalAllocSizeLock.unlock();

        pthread_mutex_unlock(&gParcelGlobalAllocSizeLock);



        mData = data;

        mDataSize = mDataPos = 0;

libs/binder/Static.cpp

+0 −6
Original line number Diff line number Diff line
@@ -90,12 +90,6 @@ public: 


static LibBinderIPCtStatics gIPCStatics;



// ------------ Parcel.cpp



Mutex gParcelGlobalAllocSizeLock;

size_t gParcelGlobalAllocSize = 0;

size_t gParcelGlobalAllocCount = 0;



// ------------ IServiceManager.cpp



Mutex gDefaultServiceManagerLock;