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Commit b5f2c709 authored by Yu-Ting Tseng's avatar Yu-Ting Tseng Committed by Automerger Merge Worker
Browse files

Merge "Placeholder for binder freeze notification API." into main am: 370f3da6 am: f07095b7 

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/3142056



Change-Id: I4f4c9f562ce10419a28e5d5bfb62f83829b496ba
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 922e8a8a f07095b7

libs/binder/Binder.cpp

+8 −0
Original line number Diff line number Diff line
@@ -441,6 +441,14 @@ status_t BBinder::unlinkToDeath( 
    return INVALID_OPERATION;

}



status_t BBinder::addFrozenStateChangeCallback(const wp<FrozenStateChangeCallback>&) {

    return INVALID_OPERATION;

}



status_t BBinder::removeFrozenStateChangeCallback(const wp<FrozenStateChangeCallback>&) {

    return INVALID_OPERATION;

}



status_t BBinder::dump(int /*fd*/, const Vector<String16>& /*args*/)

{

    return NO_ERROR;

libs/binder/BpBinder.cpp

+8 −0
Original line number Diff line number Diff line
@@ -557,6 +557,14 @@ void BpBinder::sendObituary() 
    }

}



status_t BpBinder::addFrozenStateChangeCallback(const wp<FrozenStateChangeCallback>&) {

    return INVALID_OPERATION;

}



status_t BpBinder::removeFrozenStateChangeCallback(const wp<FrozenStateChangeCallback>&) {

    return INVALID_OPERATION;

}



void BpBinder::reportOneDeath(const Obituary& obit)

{

    sp<DeathRecipient> recipient = obit.recipient.promote();

libs/binder/include/binder/Binder.h

+7 −0
Original line number Diff line number Diff line
@@ -50,6 +50,13 @@ public: 
                                                      void* cookie = nullptr, uint32_t flags = 0,

                                                      wp<DeathRecipient>* outRecipient = nullptr);



    // Placeholders to test if adding virtual functions here breaks things.

    // Will be replaced by an actual API once things are verified to work.

    LIBBINDER_EXPORTED virtual status_t addFrozenStateChangeCallback(

            const wp<FrozenStateChangeCallback>& callback);

    LIBBINDER_EXPORTED virtual status_t removeFrozenStateChangeCallback(

            const wp<FrozenStateChangeCallback>& callback);



    LIBBINDER_EXPORTED virtual void* attachObject(const void* objectID, void* object,

                                                  void* cleanupCookie,

                                                  object_cleanup_func func) final;

libs/binder/include/binder/BpBinder.h

+6 −0
Original line number Diff line number Diff line
@@ -66,6 +66,12 @@ public: 
                                                      void* cookie = nullptr, uint32_t flags = 0,

                                                      wp<DeathRecipient>* outRecipient = nullptr);



    [[nodiscard]] virtual status_t addFrozenStateChangeCallback(

            const wp<FrozenStateChangeCallback>& recipient);



    [[nodiscard]] virtual status_t removeFrozenStateChangeCallback(

            const wp<FrozenStateChangeCallback>& recipient);



    LIBBINDER_EXPORTED virtual void* attachObject(const void* objectID, void* object,

                                                  void* cleanupCookie,

                                                  object_cleanup_func func) final;

libs/binder/include/binder/IBinder.h

+14 −3
Original line number Diff line number Diff line
@@ -198,6 +198,11 @@ public: 
        virtual void binderDied(const wp<IBinder>& who) = 0;

    };



    class FrozenStateChangeCallback : public virtual RefBase {

    public:

        virtual void onStateChanged(const wp<IBinder>& who, bool isFrozen) = 0;

    };



#if defined(__clang__)

#pragma clang diagnostic pop

#endif
@@ -249,6 +254,12 @@ public: 
                                            uint32_t flags = 0,

                                            wp<DeathRecipient>* outRecipient = nullptr) = 0;



    // Placeholders. See Binder.h for details.

    [[nodiscard]] virtual status_t addFrozenStateChangeCallback(

            const wp<FrozenStateChangeCallback>& callback) = 0;

    [[nodiscard]] virtual status_t removeFrozenStateChangeCallback(

            const wp<FrozenStateChangeCallback>& callback) = 0;



    virtual bool            checkSubclass(const void* subclassID) const;



    typedef void (*object_cleanup_func)(const void* id, void* obj, void* cleanupCookie);