/**************************************************************************\
 *
 *  This file is part of the Coin 3D visualization library.
 *  Copyright (C) 1998-2007 by Systems in Motion.  All rights reserved.
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  ("GPL") version 2 as published by the Free Software Foundation.
 *  See the file LICENSE.GPL at the root directory of this source
 *  distribution for additional information about the GNU GPL.
 *
 *  For using Coin with software that can not be combined with the GNU
 *  GPL, and for taking advantage of the additional benefits of our
 *  support services, please contact Systems in Motion about acquiring
 *  a Coin Professional Edition License.
 *
 *  See http://www.coin3d.org/ for more information.
 *
 *  Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY.
 *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
 *
\**************************************************************************/

/* this file should only be included from thread.c */

static int
internal_init(cc_thread * thread)
{
  int status = pthread_attr_init(&(thread->pthread.threadattrs));
  if (status != 0) {
    if (COIN_DEBUG)
      cc_debugerror_post("internal_init", "pthread_attr_init() error: %d\n", status);
    return CC_ERROR;
  }

  status = pthread_create(&(thread->pthread.threadid),
                          &(thread->pthread.threadattrs),
                          thread->func, thread->closure);
  if (status != 0) {
    if (COIN_DEBUG)
      cc_debugerror_post("internal_init", "pthread_create() error: %d\n", status);
    return CC_ERROR;
  }
  return CC_OK;
}

static int
internal_clean(cc_thread * thread)
{
  int status = pthread_attr_destroy(&(thread->pthread.threadattrs));
  if (status != 0) {
    if (COIN_DEBUG)
      cc_debugerror_post("internal_clean", "pthread_attr_destroy() error: %d\n", status);
    return CC_ERROR;
  }
  return CC_OK;
}

static int
internal_join(cc_thread * thread,
               void ** retvalptr)
{
  int status = pthread_join(thread->pthread.threadid, retvalptr);
  if (status != 0) {
    if (COIN_DEBUG)
      cc_debugerror_post("internal_join", "pthread_join() error: %d\n", status);
    return CC_ERROR;
  }
  return CC_OK;
}