Boost C++ Libraries

libs/mpi/test/test_pointer.cpp

// Copyright (C) 2005, 2006 Douglas Gregor.

// Use, modification and distribution is subject to the Boost Software
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)


// a test of pointer serialization
#include <boost/mpi.hpp>
#include <boost/serialization/shared_ptr.hpp>

#include "mpi_test_utils.hpp"

class A
{
 public:
  int i;
  template<class Archive>
  void serialize(Archive & ar, const unsigned int version)
  {
    ar & i;
  }
};

int main()
{
  boost::mpi::environment env;
  boost::mpi::communicator world;
  int failed = 0;
  if (world.rank() == 0)  {
    boost::shared_ptr<A> p(new A);
    p->i = 42;
    world.send(1, 0, p);
  } else if (world.rank() == 1)  {
    boost::shared_ptr<A> p;
    world.recv(0, 0, p);
    std::cout << p->i << std::endl;
    BOOST_MPI_CHECK(p->i==42, failed);
  }
  return failed;
}