/*
 * PROGRAM TEST for exchanging a string through a shared memory
*/

#include <boost/interprocess/managed_shared_memory.hpp>
#include <string>

using namespace std;
namespace		intp = boost::interprocess;


int main ( int argc, char* argv[] ) {
	
	try {
		
		// *** CREATING THE SHARED MEMORY ***
		
		// Erase older shared memory eventually present
		intp::shared_memory_object::remove ( "str_mem" );
		// Set the   dimension of the memory
		int shd_bytes = 100000;
		// Creates the segment
		intp::managed_shared_memory segment (intp::create_only,"str_mem",shd_bytes);
		
		// *** EXCHANGING THE STRING ***
		
		// Create a string in the shared segment
		string 	*opts = segment.construct<string> ("opts")("Hello world!");
		// Print it
		cout<<endl<<" *opts = \t\t"<<*opts<<endl;
		cout<<" opts->c_str() = \t"<<opts->c_str()<<endl<<endl;
		
	} // try
	
	// Catch of the errores thrown
	catch (intp::interprocess_exception &ex) {
		cout << ex.what() << endl;
		return EXIT_FAILURE;
	}
	
	return EXIT_SUCCESS;
	
}