am a423d868: Merge "clean-up unneeded code" into honeycomb

    volatile int32_t head;      // server's current front buffer

    volatile int32_t available; // number of dequeue-able buffers

    volatile int32_t queued;    // number of buffers waiting for post

    volatile int32_t inUse;     // buffer currently in use by SF

    volatile int32_t reserved1;

    volatile status_t status;   // surface's status code

    // not part of the conditions

            int32_t identity);

    ssize_t retireAndLock();

    status_t unlock(int buffer);

    void setStatus(status_t status);

    status_t reallocateAll();

    status_t reallocateAllExcept(int buffer);

        inline const char* name() const { return "BuffersAvailableCondition"; }

    };

    struct UnlockUpdate : public UpdateBase {

        const int lockedBuffer;

        inline UnlockUpdate(SharedBufferBase* sbb, int lockedBuffer);

        inline ssize_t operator()();

    };

    struct RetireUpdate : public UpdateBase {

        const int numBuffers;

        inline RetireUpdate(SharedBufferBase* sbb, int numBuffers);