www.pudn.com > allocator.rar > main.cc


// file: main.cc
// author: Marc Bumble
// April 29, 2003
// Page memory source for shared memory
// Copyright (C) 2003 by Marc D. Bumble

// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

#include <iostream>
#include <pooled_allocator.h>
#include <vector>

char key_val[] = "/allocate_key"; // needs a leading slash, see manpage.
char key_container[] = "container_lookup_key";
char key_addr[] = "0x400d0000";

int main(int argc, char** argv) {

typedef pooled_allocator::Pool_alloc<int,
key_val,
key_addr> my_vector_alloc_t;

typedef std::vector<int,my_vector_alloc_t> my_vector_t;

pooled_allocator::Multi_Process_Pool_alloc<my_vector_t,
int,
key_val,
key_container,
key_addr> temp_alloc;

my_vector_t* vec_ptr = temp_alloc.attach();
const int&amt; segment_num = temp_alloc.get_proj_id();
const int&amt; segment_page_num = temp_alloc.get_segment_page_num();
temp_alloc.lock(segment_num,segment_page_num);

std::cout << "Insert ints" << std::endl;

for (int i = 0; i < 5000; i++) {
vec_ptr->push_back(i);
std::cout << "Pushed a " << i << "\t Read a " << (*vec_ptr)[i] << std::endl;
};
temp_alloc.unlock(segment_num,segment_page_num);

std::cout << "Read 1st time" << std::endl;

for (my_vector_t::iterator it = vec_ptr->begin();
it != vec_ptr->end(); it++)
std::cout << "Vector val: " << *it << std::endl;

std::cout << "Read 2nd time" << std::endl;

for (my_vector_t::iterator it = vec_ptr->begin();
it != vec_ptr->end(); it++)
std::cout << "Vector val: " << *it << std::endl;

return 0;

}