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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.2/] [gdb/] [testsuite/] [gdb.threads/] [staticthreads.c] - Rev 330

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/* This test program is part of GDB, The GNU debugger.
 
   Copyright 2004, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
 
   Originally 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 <semaphore.h>
#include <stdio.h>
#include <limits.h>
#include <errno.h>
 
sem_t semaphore;
 
void *
thread_function (void *arg)
{
  printf ("Thread executing\n");
  while (sem_wait (&semaphore) != 0)
    {
      if (errno != EINTR)
	{
	  perror ("thread_function");
	  return;
	}
    }
  return NULL;
}
 
int 
main (int argc, char **argv)
{
  pthread_attr_t attr;
 
  pthread_attr_init (&attr);
  pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN);
 
  if (sem_init (&semaphore, 0, 0) == -1)
    {
      perror ("semaphore");
      return -1;
    }
 
 
  /* Create a thread, wait for it to complete.  */
  {
    pthread_t thread;
    pthread_create (&thread, &attr, thread_function, NULL);
    sem_post (&semaphore);
    pthread_join (thread, NULL);
  }
 
  pthread_attr_destroy (&attr);
  return 0;
}
 

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