libstdc++-v3/testsuite/22_locale/locale/cons/12658_thread-1.cc

   1 // { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-darwin* } }
   2 // { dg-options "-pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-gnu* } }
   3 // { dg-options "-pthreads" { target *-*-solaris* } }
   4 // { dg-require-namedlocale "en_US" }
   5 // { dg-require-namedlocale "fr_FR" }
   6
   7 // Copyright (C) 2004-2014 Free Software Foundation, Inc.
   8 //
   9 // This file is part of the GNU ISO C++ Library.  This library is free
  10 // software; you can redistribute it and/or modify it under the
  11 // terms of the GNU General Public License as published by the
  12 // Free Software Foundation; either version 3, or (at your option)
  13 // any later version.
  14
  15 // This library is distributed in the hope that it will be useful,
  16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 // GNU General Public License for more details.
  19
  20 // You should have received a copy of the GNU General Public License along
  21 // with this library; see the file COPYING3.  If not see
  22 // <http://www.gnu.org/licenses/>.
  23
  24 // 22.1.1.2 locale constructors and destructors [lib.locale.cons]
  25
  26 #include <locale>
  27 #include <pthread.h>
  28 #include <testsuite_hooks.h>
  29
  30 const int max_thread_count = 20;
  31 //const int max_loop_count = 1000000; // orig value
  32 const int max_loop_count = 100000;
  33 const int max_locales = 10;
  34
  35 void* thread_main(void*)
  36 {
  37   try
  38     {
  39       std::locale loc_c = std::locale::classic();
  40       std::locale loc[max_locales];
  41       for (int j = 0; j < max_locales; ++j)
  42         loc[j] = std::locale(j % 2 ? "en_US" : "fr_FR");
  43
  44       for (int i = 0; i < max_loop_count; ++i)
  45         {
  46           int k = i % max_locales;
  47           loc[k] = std::locale::global(loc[k]);
  48
  49           if (i % 37 == 0)
  50             loc[k] = loc[k].combine<std::ctype<char> >(loc_c);
  51         }
  52     }
  53   catch (...) { }
  54   return 0;
  55 }
  56
  57 int
  58 main()
  59 {
  60   pthread_t tid[max_thread_count];
  61
  62   for (int i = 0; i < max_thread_count; i++)
  63     pthread_create (&tid[i], 0, thread_main, 0);
  64
  65   for (int i = 0; i < max_thread_count; i++)
  66     pthread_join (tid[i], 0);
  67
  68   return 0;
  69 }