libstdc++-v3/testsuite/27_io/basic_ostringstream/pthread3.cc

   1 // 2002-01-23  Loren J. Rittle <rittle@labs.mot.com> <ljrittle@acm.org>
   2 // Adpated from libstdc++/5347 submitted by markus.breuer@materna.de
   3 //
   4 // Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010
   5 // Free Software Foundation, Inc.
   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 3, 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 COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 // { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* mips-sgi-irix6* } }
  23 // { dg-options "-pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* alpha*-*-osf* mips-sgi-irix6* } }
  24 // { dg-options "-pthreads" { target *-*-solaris* } }
  25
  26 #include <sstream>
  27 #include <pthread.h>
  28
  29 const int max_thread_count = 2;
  30 const int max_loop_count = 1000000;
  31
  32 void*
  33 thread_main (void *)
  34 {
  35    for (int i = 0; i < max_loop_count; i++)
  36      std::ostringstream oss;
  37
  38    return 0;
  39 }
  40
  41 int
  42 main()
  43 {
  44   pthread_t tid[max_thread_count];
  45
  46 #if defined(__sun) && defined(__svr4__) && _XOPEN_VERSION >= 500
  47   pthread_setconcurrency (max_thread_count);
  48 #endif
  49
  50   for (int i = 0; i < max_thread_count; i++)
  51     pthread_create (&tid[i], 0, thread_main, 0);
  52
  53   for (int i = 0; i < max_thread_count; i++)
  54     pthread_join (tid[i], 0);
  55
  56   return 0;
  57 }