{

//Remove shared memory on destruction

struct shm_remove

{

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

} remover;

//<-

(void)remover;

//->

//Create a shared memory object.

shared_memory_object shm

( open_only //only open

, test::get_process_id_name() //name

, read_write //read-write mode

);

//Map the whole shared memory in this process

mapped_region region

(shm //What to map

,read_write //Map it as read-write

);

//Get the address of the mapped region

void * addr = region.get_address();

//Obtain the shared structure

shared_memory_buffer * data = static_cast<shared_memory_buffer*>(addr);

const int NumMsg = 100;

int extracted_data [NumMsg];

//<-

(void)extracted_data;

//->

//Extract the data

for(int i = 0; i < NumMsg; ++i){

data->nstored.wait();

data->mutex.wait();

extracted_data[i] = data->items[i % shared_memory_buffer::NumItems];

data->mutex.post();

data->nempty.post();

}

return 0;