{

using namespace boost::interprocess;

typedef std::pair<double, int> MyType;

if(argc == 1){ //Parent process

//Remove shared memory on construction and destruction

struct shm_remove

{

shm_remove() { shared_memory_object::remove(test::get_process_id_name()); }

~shm_remove(){ shared_memory_object::remove(test::get_process_id_name()); }

} remover;

//<-

(void)remover;

//->

//Construct managed shared memory

managed_shared_memory segment(create_only, test::get_process_id_name(), 65536);

//Create an object of MyType initialized to {0.0, 0}

MyType *instance = segment.construct<MyType>

("MyType instance") //name of the object

(0.0, 0); //ctor first argument

//Create an array of 10 elements of MyType initialized to {0.0, 0}

MyType *array = segment.construct<MyType>

("MyType array") //name of the object

[10] //number of elements

(0.0, 0); //Same two ctor arguments for all objects

//Create an array of 3 elements of MyType initializing each one

//to a different value {0.0, 0}, {1.0, 1}, {2.0, 2}...

float float_initializer[3] = { 0.0, 1.0, 2.0 };

int int_initializer[3] = { 0, 1, 2 };

MyType *array_it = segment.construct_it<MyType>

("MyType array from it") //name of the object

[3] //number of elements

( &float_initializer[0] //Iterator for the 1st ctor argument

, &int_initializer[0]); //Iterator for the 2nd ctor argument

//Launch child process

std::string s(argv[0]); s += " child ";

//<-

s += test::get_process_id_name();

//->

if(0 != std::system(s.c_str()))

return 1;

//<-

(void)instance;

(void)array;

(void)array_it;

//->

//Check child has destroyed all objects

if(segment.find<MyType>("MyType array").first ||

segment.find<MyType>("MyType instance").first ||

segment.find<MyType>("MyType array from it").first)

return 1;

}

else{

//Open managed shared memory

managed_shared_memory segment(open_only, argv[2]);

std::pair<MyType*, managed_shared_memory::size_type> res;

//Find the array

res = segment.find<MyType> ("MyType array");

//Length should be 10

if(res.second != 10) return 1;

//Find the object

res = segment.find<MyType> ("MyType instance");

//Length should be 1

if(res.second != 1) return 1;

//Find the array constructed from iterators

res = segment.find<MyType> ("MyType array from it");

//Length should be 3

if(res.second != 3) return 1;

//We're done, delete all the objects

segment.destroy<MyType>("MyType array");

segment.destroy<MyType>("MyType instance");

segment.destroy<MyType>("MyType array from it");

}

return 0;