On Thu, Nov 9, 2017 at 11:53 AM, Arpit Baldeva <[email protected]> wrote:

> Hi,
>
> Currently, protobuf generated code makes allocations in the static
> descriptor objects. For example, valgrind reports
>
>  <insert_a_suppression_name_here>
>    Memcheck:Leak
>    fun:malloc
>    fun:_ZN20PassthroughAllocator5AllocEmPKcj
>    fun:_Znwm
>    fun:_ZN6google8protobuf14DescriptorPoolC1EPNS0_
> 18DescriptorDatabaseEPNS1_14ErrorCollectorE
>    fun:_ZN6google8protobuf12_GLOBAL__N_1L17InitGeneratedPoolEv
>    fun:_ZN6google8protobuf8internal16FunctionClosure03RunEv
>    fun:_ZN6google8protobuf18GoogleOnceInitImplEPlPNS0_7ClosureE
>    fun:_ZN6google8protobuf14GoogleOnceInitEPlPFvvE
>    fun:_ZN6google8protobuf12_GLOBAL__N_121InitGeneratedPoolOnceEv
>    fun:_ZN6google8protobuf14DescriptorPool24InternalAddGeneratedFileEPKvi
>    fun:_ZN5Blaze51protobuf_blaze_2fprotobuf_2fblazeextensions_2eproto12_
> GLOBAL__N_118AddDescriptorsImplEv
>    fun:_ZN6google8protobuf8internal16FunctionClosure03RunEv
>    fun:_ZN6google8protobuf18GoogleOnceInitImplEPlPNS0_7ClosureE
>    fun:_ZN6google8protobuf14GoogleOnceInitEPlPFvvE
>    fun:_ZN5Blaze51protobuf_blaze_2fprotobuf_2fblazeextensions_
> 2eproto14AddDescriptorsEv
>    fun:_ZN5Blaze51protobuf_blaze_2fprotobuf_2fblazeextensions_
> 2eproto27StaticDescriptorInitializerC1Ev
>    fun:_Z41__static_initialization_and_destruction_0ii
>    fun:_GLOBAL__sub_I_blazeextensions.pb.cc
>
> Is there a convenience function that could deallocate these objects so
> that I don't have to suppress these allocations? Found this relevant issue
> - https://codereview.appspot.com/7918 - 9 years ago.
>
You can call ShutdownProtobufLibrary() before program exiting and after
that there should be no such "leaks".


>
> Thanks.
>
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