libstdc++-v3/testsuite/ext/mt_allocator/deallocate_local_thread-1.cc

   1 //
   2 // Copyright (C) 2004 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  18 // USA.
  19
  20 // 20.4.1.1 allocator members
  21
  22 #include <string>
  23 #include <stdexcept>
  24 #include <ext/mt_allocator.h>
  25 #include <testsuite_hooks.h>
  26
  27 static size_t count;
  28
  29 struct count_check
  30 {
  31   count_check() {}
  32   ~count_check()
  33   {
  34 #ifdef _GLIBCXX_USE___CXA_ATEXIT
  35     if (count != 0)
  36       throw std::runtime_error("count isn't zero");
  37 #endif
  38   }
  39 };
  40
  41 static count_check check;
  42
  43 void* operator new(size_t size) throw(std::bad_alloc)
  44 {
  45   printf("operator new is called \n");
  46   void* p = malloc(size);
  47   if (p == NULL)
  48     throw std::bad_alloc();
  49   count++;
  50   return p;
  51 }
  52
  53 void operator delete(void* p) throw()
  54 {
  55   printf("operator delete is called \n");
  56   if (p == NULL)
  57     return;
  58   count--;
  59   if (count == 0)
  60     printf("All memory released \n");
  61   else
  62     printf("%u allocations to be released \n", count);
  63   free(p);
  64 }
  65
  66 typedef char char_t;
  67 typedef std::char_traits<char_t> traits_t;
  68 typedef __gnu_cxx::__common_pool_policy<true> pool_t;
  69 typedef __gnu_cxx::__mt_alloc<char_t, pool_t> allocator_t;
  70 typedef std::basic_string<char_t, traits_t, allocator_t> string_t;
  71
  72 int main()
  73 {
  74   bool test __attribute__((unused)) = true;
  75   {
  76     string_t s;
  77     s += "bayou bend";
  78   }
  79   return 0;
  80 }