From: Tim Taylor (tim_at_[hidden])
Date: 2006-06-09 14:32:12
Hi Peter and Robert,
Many thanks for your replies. Destroying the input archive solves the
problem.
Best wishes,
Tim
Robert Ramey wrote:
> I'm concerned that the input put archive is not destroyed soon enough.
> It has to hold a copy of the shared pointer as long its open. Try the
> following
> changes: (I've simplified it a little)
>
> int main(int argc, char **argv)
> {
> const char *filename = "bag.ser";
> {
> const Bag b(shared_ptr<Item>(new Item(1)));
> // now serialize the Bag
> cout << "About to serialize bag..." << endl;
> ofstream osSer(filename);
> boost::archive::text_oarchive oa(osSer);
> oa << b;
> b.printUseCount();
> cout << "About to delete bag 1..." << endl;
> } // no need for stream close, archive and stream closed automatically
> cout << "About to create a new bag..." << endl;
> Bag b1;
> {
> b1.printUseCount();
> // and deserialize it into the new Bag object
> cout << "About to deserialize bag..." << endl;
> ifstream isSer(filename, std::ios::binary);
> boost::archive::text_iarchive ia(isSer);
> ia >> b1;
> b1.printUseCount(); // should equal 2 - b1 plus one in the archive
> } // close all streams and archives
> b1.printUseCount(); // should equal 1 - b1 plus one in the archive
> return 0;
> }
>
>
> I haven't tested this - if it doesn't work as expected - my name is mud
> here.
>
> Robert Ramey
>
>
>
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