libstdc++-v3/testsuite/22_locale/locale/cons/12658_thread.cc

   1 // { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* } }
   2 // { dg-options "-pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* alpha*-*-osf* } }
   3 // { dg-options "-pthreads" { target *-*-solaris* } }
   4
   5 // Copyright (C) 2004 Free Software Foundation
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 2, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING.  If not, write to the Free
  20 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  21 // USA.
  22
  23 // 22.1.1.2 locale constructors and destructors [lib.locale.cons]
  24
  25 #include <locale>
  26 #include <pthread.h>
  27
  28 const int max_thread_count = 20;
  29 //const int max_loop_count = 1000000; // orig value
  30 const int max_loop_count = 100000;
  31 const int max_locales = 10;
  32
  33 void* thread_main(void*)
  34 {
  35   try
  36     {
  37       std::locale loc_c = std::locale::classic();
  38       std::locale loc[max_locales];
  39       for (int j = 0; j < max_locales; ++j)
  40         loc[j] = std::locale(j % 2 ? "en_US" : "fr_FR");
  41
  42       for (int i = 0; i < max_loop_count; ++i)
  43         {
  44           int k = i % max_locales;
  45           loc[k] = std::locale::global(loc[k]);
  46
  47           if (i % 37 == 0)
  48             loc[k] = loc[k].combine<std::ctype<char> >(loc_c);
  49         }
  50     }
  51   catch (...) { }
  52   return 0;
  53 }
  54
  55 int
  56 main()
  57 {
  58   pthread_t tid[max_thread_count];
  59
  60   for (int i = 0; i < max_thread_count; i++)
  61     pthread_create (&tid[i], NULL, thread_main, 0);
  62
  63   for (int i = 0; i < max_thread_count; i++)
  64     pthread_join (tid[i], NULL);
  65
  66   return 0;
  67 }