libstdc++-v3/testsuite/22_locale/locale/cons/12658_thread-2.cc

   1 // { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* mips-sgi-irix6* } }
   2 // { dg-options "-pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* alpha*-*-osf* mips-sgi-irix6* } }
   3 // { dg-options "-pthreads" { target *-*-solaris* } }
   4 // { dg-require-namedlocale "" }
   5
   6 // Copyright (C) 2004, 2005, 2007, 2009 Free Software Foundation
   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 std::locale loc[max_locales];
  34
  35 void* thread_main(void*)
  36 {
  37   try
  38     {
  39       for (int i = 0; i < max_loop_count; ++i)
  40         {
  41           int k = i % max_locales;
  42           std::locale::global(loc[k]);
  43         }
  44     }
  45   catch (...) { }
  46   return 0;
  47 }
  48
  49 int
  50 main()
  51 {
  52   pthread_t tid[max_thread_count];
  53
  54   for (int j = 0; j < max_locales; ++j)
  55     loc[j] = std::locale(j % 2 ? "en_US" : "fr_FR");
  56
  57   for (int i = 0; i < max_thread_count; i++)
  58     pthread_create(&tid[i], NULL, thread_main, 0);
  59
  60   for (int i = 0; i < max_thread_count; i++)
  61     pthread_join(tid[i], NULL);
  62
  63   return 0;
  64 }