libstdc++-v3/testsuite/27_io/basic_ofstream/pthread2.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) 2002-2016 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11 //
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16 //
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 // { dg-do run { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-rtems* *-*-darwin* } }
  22 // { dg-options "-pthread" { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* } }
  23 // { dg-options "-pthreads" { target *-*-solaris* } }
  24
  25 #include <fstream>
  26 #include <pthread.h>
  27
  28 const int max_thread_count = 2;
  29 const int max_loop_count = 1000000;
  30
  31 void*
  32 thread_main (void *)
  33 {
  34    for (int i = 0; i < max_loop_count; i++)
  35    {
  36       std::ofstream* pos1 = new std::ofstream;
  37       delete pos1;
  38    }
  39
  40    return 0;
  41 }
  42
  43 int
  44 main()
  45 {
  46   pthread_t tid[max_thread_count];
  47
  48 #if defined(__sun) && defined(__svr4__) && _XOPEN_VERSION >= 500
  49   pthread_setconcurrency (max_thread_count);
  50 #endif
  51
  52   for (int i = 0; i < max_thread_count; i++)
  53     pthread_create (&tid[i], 0, thread_main, 0);
  54
  55   for (int i = 0; i < max_thread_count; i++)
  56     pthread_join (tid[i], 0);
  57
  58   return 0;
  59 }