libstdc++-v3/testsuite/ext/mt_allocator/deallocate_local_thread-7.cc

   1 // { dg-require-cxa-atexit "" }
   2
   3 // Copyright (C) 2004, 2005 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10 //
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  19 // USA.
  20
  21 // 20.4.1.1 allocator members
  22
  23 #include <string>
  24 #include <stdexcept>
  25 #include <ext/mt_allocator.h>
  26
  27 static size_t count;
  28
  29 struct count_check
  30 {
  31   count_check() { }
  32   ~count_check()
  33   {
  34     // NB: Using a pool that attempts to clean up resource use.
  35     if (count != 0)
  36       {
  37         printf("allocation/deallocation count is %zu \n", count);
  38         throw std::runtime_error("allocation/deallocation count isn't zero");
  39       }
  40   }
  41 };
  42
  43 static count_check check;
  44
  45 void* operator new(size_t size) throw(std::bad_alloc)
  46 {
  47   printf("operator new is called \n");
  48   void* p = malloc(size);
  49   if (p == NULL)
  50     throw std::bad_alloc();
  51   count++;
  52   return p;
  53 }
  54
  55 void operator delete(void* p) throw()
  56 {
  57   printf("operator delete is called \n");
  58   if (p == NULL)
  59     return;
  60   count--;
  61 }
  62
  63 template<bool _Thread>
  64   struct cleanup_pool : public __gnu_cxx::__pool<true>
  65   {
  66     cleanup_pool() : __gnu_cxx::__pool<true>() { }
  67
  68     cleanup_pool(const __gnu_cxx::__pool_base::_Tune& t)
  69     : __gnu_cxx::__pool<true>(t) { }
  70
  71     ~cleanup_pool() throw() { this->_M_destroy(); }
  72   };
  73
  74 typedef char value_type;
  75 typedef std::char_traits<value_type> traits_type;
  76 using __gnu_cxx::__pool;
  77 using __gnu_cxx::__per_type_pool_policy;
  78 typedef __per_type_pool_policy<value_type, cleanup_pool, true> policy_type;
  79 typedef __gnu_cxx::__mt_alloc<value_type, policy_type> allocator_type;
  80 typedef std::basic_string<value_type, traits_type, allocator_type> string_type;
  81
  82 int main()
  83 {
  84   string_type s;
  85   s += "bayou bend";
  86   return 0;
  87 }