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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.1/] [gdb/] [testsuite/] [gdb.threads/] [manythreads.c] - Rev 227

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/* Manythreads test program.
   Copyright 2004, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
 
   Written by Jeff Johnston <jjohnstn@redhat.com> 
   Contributed by Red Hat
 
   This file is part of GDB.
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.
 
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
#include <pthread.h>
#include <stdio.h>
#include <limits.h>
 
void *
thread_function (void *arg)
{
  int x = * (int *) arg;
 
  printf ("Thread <%d> executing\n", x);
 
  return NULL;
}
 
int 
main (int argc, char **argv)
{
  pthread_attr_t attr;
  pthread_t threads[256];
  int args[256];
  int i, j;
 
  pthread_attr_init (&attr);
 
#ifdef PTHREAD_STACK_MIN
  pthread_attr_setstacksize (&attr, 2*PTHREAD_STACK_MIN);
#endif
 
  /* Create a ton of quick-executing threads, then wait for them to
     complete.  */
  for (i = 0; i < 1000; ++i) 
    {
      for (j = 0; j < 256; ++j)
	{
	  args[j] = i * 1000 + j;
	  pthread_create (&threads[j], &attr, thread_function, &args[j]);
	}
 
      for (j = 0; j < 256; ++j)
	{
	  pthread_join (threads[j], NULL);
	}
    }
 
  pthread_attr_destroy (&attr);
 
  return 0;
}
 

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