Re: [Boost-users] Serialization of boost::shared_ptr - wrong ref. count?

Subject: Re: [Boost-users] Serialization of boost::shared_ptr - wrong ref. count?
From: Josef Uher (josef.uher_at_[hidden])
Date: 2015-04-15 13:10:20

I tried to switch back to boost 1.56.0 and there it works!

> On 14 Apr 2015, at 06:21, Robert Ramey <ramey_at_[hidden]> wrote:
> 
> I ran a modified version of this program on my Mac OS system and it worked as
> I would expect.  I'm running the latest version of the serialization library
> 
> Robert Ramey
> 
> my version:
> 
> //#include <boost/iostreams/device/file_descriptor.hpp>
> //#include <boost/iostreams/filtering_stream.hpp>
> #include <fstream>
> #include "test_tools.hpp"
> #include <boost/archive/xml_iarchive.hpp>
> #include <boost/archive/xml_oarchive.hpp>
> #include <boost/serialization/shared_ptr.hpp>
> #include <boost/make_shared.hpp>
> 
> class SOBJ {
> public:
>    friend class boost::serialization::access;
>    virtual void SerializationHelperFcn() {}
>    SOBJ() {
>        std::cout << "SOBJ Constructor" << std::endl;
>    }
> 
>    virtual ~SOBJ() {
>        std::cout << "SOBJ Destructor" << std::endl;
>    }
>    double value=0.;
>    template<typename Archive> void serialize(Archive &ar, const unsigned
> int ver) {
>        ar & boost::serialization::make_nvp("value", value);
>    }
> };
> 
> void shared_ptr_serialization_test() {
>    const char * testfile = boost::archive::tmpnam(NULL);
>    boost::shared_ptr<SOBJ> out=boost::make_shared<SOBJ>();
> 
>    {
>        //boost::iostreams::filtering_ostream ofs;
> 
> //ofs.push(boost::iostreams::file_descriptor_sink("/Users/juhe/stest.xml"));
>        std::ofstream ofs(testfile);
>        boost::archive::xml_oarchive oa(ofs);
>        oa << boost::serialization::make_nvp("tag", out);
>    }
> 
>    boost::shared_ptr<SOBJ> in=nullptr;
> 
>    {
> //        boost::iostreams::filtering_istream ifs;
> //       
> ifs.push(boost::iostreams::file_descriptor_source("/Users/juhe/stest.xml"));
>        std::ifstream ifs(testfile);
>        boost::archive::xml_iarchive ia(ifs);
>        ia >> boost::serialization::make_nvp("tag", in);
>    }
> 
>    std::cout << "out.use_count()=" << out.use_count() << std::endl;
>    std::cout << "in.use_count() =" << in.use_count() << std::endl;
> }
> 
> int test_main(int argc, char * argv[]){
>    shared_ptr_serialization_test();
>    return 0;
> }
> /raw>
> 
> 
> 
> --
> View this message in context: http://boost.2283326.n4.nabble.com/Serialization-of-boost-shared-ptr-wrong-ref-count-tp4674427p4674440.html
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