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

   1 // { dg-do run { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-rtems* *-*-darwin* } }
   2 // { dg-options "-pthread" { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* } }
   3 // { dg-require-namedlocale "en_US.ISO8859-1" }
   4 // { dg-require-namedlocale "fr_FR.ISO8859-15" }
   5
   6 // Copyright (C) 2004-2016 Free Software Foundation, Inc.
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 3, or (at your option)
  12 // any later version.
  13
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23 // 22.1.1.2 locale constructors and destructors [lib.locale.cons]
  24
  25 #include <locale>
  26 #include <pthread.h>
  27 #include <testsuite_hooks.h>
  28
  29 const int max_thread_count = 20;
  30 //const int max_loop_count = 1000000; // orig value
  31 const int max_loop_count = 100000;
  32 const int max_locales = 10;
  33
  34 void* thread_main(void*)
  35 {
  36   try
  37     {
  38       std::locale loc_c = std::locale::classic();
  39       std::locale loc[max_locales];
  40       for (int j = 0; j < max_locales; ++j)
  41         loc[j] = std::locale(j % 2 ? ISO_8859(1,en_US) : ISO_8859(15,fr_FR));
  42
  43       for (int i = 0; i < max_loop_count; ++i)
  44         {
  45           int k = i % max_locales;
  46           loc[k] = std::locale::global(loc[k]);
  47
  48           if (i % 37 == 0)
  49             loc[k] = loc[k].combine<std::ctype<char> >(loc_c);
  50         }
  51     }
  52   catch (...) { }
  53   return 0;
  54 }
  55
  56 int
  57 main()
  58 {
  59   pthread_t tid[max_thread_count];
  60
  61   for (int i = 0; i < max_thread_count; i++)
  62     pthread_create (&tid[i], 0, thread_main, 0);
  63
  64   for (int i = 0; i < max_thread_count; i++)
  65     pthread_join (tid[i], 0);
  66
  67   return 0;
  68 }