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//////////////////////////////////////////////////////////////////////////////
// (C) Copyright Ion Gaztanaga 2006-2012. Distributed under 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)
// See http://www.boost.org/libs/interprocess for documentation.
//////////////////////////////////////////////////////////////////////////////
#include <boost/interprocess/detail/workaround.hpp>
#if defined(BOOST_INTERPROCESS_MAPPED_FILES)
#include <boost/container/list.hpp>
#include <boost/interprocess/managed_mapped_file.hpp>
#include <boost/interprocess/allocators/allocator.hpp>
#include <cstddef>
#include <cstdio>
#include "../test/get_process_id_name.hpp"
using namespace boost::interprocess;
typedef boost::container::list<int, allocator<int, managed_mapped_file::segment_manager> >
int main ()
   //Define file names
   std::string file(boost::interprocess::ipcdetail::get_temporary_path());
   file += "/"; file += test::get_process_id_name();
   const char *FileName = file.c_str();
   const char *FileName       = "file_mapping";
   const std::size_t FileSize = 1000;
   file_mapping::remove(FileName);
   BOOST_INTERPROCESS_TRY{
      MyList::size_type old_size = 0;
      managed_mapped_file::handle_t list_handle;
         managed_mapped_file mfile_memory(create_only, FileName, FileSize);
         MyList *mylist = mfile_memory.construct<MyList>("MyList")
                              (mfile_memory.get_segment_manager());
         //Obtain handle, that identifies the list in the buffer
         list_handle = mfile_memory.get_handle_from_address(mylist);
         //Fill list until there is no more room in the file
         BOOST_INTERPROCESS_TRY{
            while(1) {
               mylist->insert(mylist->begin(), 0);
         BOOST_INTERPROCESS_CATCH(const bad_alloc &){
            //mapped file is full
         } BOOST_INTERPROCESS_CATCH_END
         //Let's obtain the size of the list
         old_size = mylist->size();
      //To make the list bigger, let's increase the mapped file
      //in FileSize bytes more.
      managed_mapped_file::grow(FileName, FileSize*2);
         managed_mapped_file mfile_memory(open_only, FileName);
         //If mapping address has changed, the old pointer is invalid,
         //so use previously obtained handle to find the new pointer.
         MyList *mylist = static_cast<MyList *>
                           (mfile_memory.get_address_from_handle(list_handle));
         //Fill list until there is no more room in the file
         BOOST_INTERPROCESS_TRY{
            while(1) {
               mylist->insert(mylist->begin(), 0);
         BOOST_INTERPROCESS_CATCH(const bad_alloc &){
            //mapped file is full
         } BOOST_INTERPROCESS_CATCH_END
         //Let's obtain the new size of the list
         MyList::size_type new_size = mylist->size();
         //Destroy list
         mfile_memory.destroy_ptr(mylist);
         return (new_size > old_size) ? 0 : 1;
   BOOST_INTERPROCESS_CATCH(...){
      file_mapping::remove(FileName);
      BOOST_INTERPROCESS_RETHROW
   } BOOST_INTERPROCESS_CATCH_END
   file_mapping::remove(FileName);
   return 0;
#else //#if defined(BOOST_INTERPROCESS_MAPPED_FILES)
   return 0;
#endif//#if defined(BOOST_INTERPROCESS_MAPPED_FILES)

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