libstdc++-v3/testsuite/thread/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
   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 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  21 // USA.
  22
  23 // { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* mips-sgi-irix6* } }
  24 // { dg-options "-pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* alpha*-*-osf* mips-sgi-irix6* } }
  25 // { dg-options "-pthreads" { target *-*-solaris* } }
  26
  27 #include <sstream>
  28 #include <pthread.h>
  29
  30 const int max_thread_count = 2;
  31 const int max_loop_count = 1000000;
  32
  33 void*
  34 thread_main (void *)
  35 {
  36    for (int i = 0; i < max_loop_count; i++)
  37      std::ostringstream oss;
  38
  39    return 0;
  40 }
  41
  42 int
  43 main()
  44 {
  45   pthread_t tid[max_thread_count];
  46
  47 #if defined(__sun) && defined(__svr4__) && _XOPEN_VERSION >= 500
  48   pthread_setconcurrency (max_thread_count);
  49 #endif
  50
  51   for (int i = 0; i < max_thread_count; i++)
  52     pthread_create (&tid[i], NULL, thread_main, 0);
  53
  54   for (int i = 0; i < max_thread_count; i++)
  55     pthread_join (tid[i], NULL);
  56
  57   return 0;
  58 }