1//
2// Copyright (C) 2004, 2005 Free Software Foundation, Inc.
3//
4// This file is part of the GNU ISO C++ Library.  This library is free
5// software; you can redistribute it and/or modify it under the
6// terms of the GNU General Public License as published by the
7// Free Software Foundation; either version 2, or (at your option)
8// any later version.
9//
10// This library is distributed in the hope that it will be useful,
11// but WITHOUT ANY WARRANTY; without even the implied warranty of
12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13// GNU General Public License for more details.
14//
15// You should have received a copy of the GNU General Public License along
16// with this library; see the file COPYING.  If not, write to the Free
17// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
18// USA.
19
20// 20.4.1.1 allocator members
21
22#include <list>
23#include <string>
24#include <stdexcept>
25#include <ext/mt_allocator.h>
26
27static size_t count;
28
29struct count_check
30{
31  count_check() { }
32  ~count_check()
33  {
34    // NB: __mt_allocator doesn't clean itself up. Thus, this will not
35    // be zero.
36    if (count != 0)
37      {
38	//throw std::runtime_error("allocation/deallocation count isn't zero");
39	printf("allocation/deallocation count is %zu \n", count);
40      }
41  }
42};
43
44static count_check check;
45
46void* operator new(size_t size) throw(std::bad_alloc)
47{
48  printf("operator new is called \n");
49  void* p = malloc(size);
50  if (p == NULL)
51    throw std::bad_alloc();
52  count++;
53  return p;
54}
55
56void operator delete(void* p) throw()
57{
58  printf("operator delete is called \n");
59  if (p == NULL)
60    return;
61  count--;
62}
63
64typedef std::string value_type;
65using __gnu_cxx::__pool;
66using __gnu_cxx::__common_pool_policy;
67typedef __common_pool_policy<__pool, false> policy_type;
68typedef __gnu_cxx::__mt_alloc<value_type, policy_type> allocator_type;
69typedef std::char_traits<value_type> traits_type;
70typedef std::list<value_type, allocator_type> list_type;
71
72list_type l;
73
74int main()
75{
76  l.push_back("bayou bend");
77  return 0;
78}
79