[boost] boost::interprocess mixing heap and shared memory ?

Subject: [boost] boost::interprocess mixing heap and shared memory ?
From: Oncaphillis (oncaphillis_at_[hidden])
Date: 2009-04-11 08:26:16

  Working with boost::interprocess I came across the following question.

  using namespace boost::interprocess;

  // ... Assume that I've declared all the necessary allocators
  // ... for chars and std::pair<my_string,my_string> here

  typedef basic_string<char,my_char_allocator_t> my_string;
  typedef 
map<my_string,my_string,std::less<my_string>,my_string_string_allocator> 
my_map;

  managed_shared_memory shm(open_or_create,"BogusMemory",0x1000)

  my_map *the_map = some_how_construct_map_in_shared_memory(shm);

  // So now I have a map residing in shared memory
  // The only way to search within this map I could
  // find was the following.

  my_map::iterator i = 
the_map->find(my_string("BOGUS",my_char_allocator_t(shm)));

  This might throw since the search string is constructed within shared 
memory
  although it is only needed temporary and destructed right after the 
statement.

  Is there a way to use heap or stack memory for thinks like that ?

  Thank you very much

  O.