AMiRo-OS

#if ((CH_CFG_USE_REGISTRY == TRUE) || (CH_CFG_USE_THREADHIERARCHY == TRUE)) || defined(__DOXYGEN__)

/**

 * @brief   Retrieve the first/root thread in the system.

 *

 * @return  Pointer to the first/root thread.

 */

thread_t* aosThreadGetFirst(void)

{

#if (CH_CFG_USE_REGISTRY == TRUE)

  return chRegFirstThread();

#elif (CH_CFG_USE_THREADHIERARCHY == TRUE)

  thread_t* tp = chThdGetSelfX();

  while (tp->parent) {

    tp = tp->parent;

  }

  return tp;

#endif

}

/**

 * @brief   Retrieve the next thread in the system.

 *

 * @param[in] thread  Current thread to retrieve the 'successor' to.

 *

 * @return  Pointer to the next thread, or NULL if there are no further threads.

 */

thread_t* aosThreadGetNext(thread_t* thread)

{

  aosDbgCheck(thread != NULL);

#if (CH_CFG_USE_REGISTRY == TRUE)

  return chRegNextThread(thread);

#elif (CH_CFG_USE_THREADHIERARCHY == TRUE)

  if (thread->children != NULL) {

    return thread->children;

  } else {

    while (thread != NULL && thread->sibling == NULL) {

      thread = thread->parent;

    }

    return (thread != NULL) ? thread->sibling : NULL;

  }

#endif

}

#endif /* (CH_CFG_USE_REGISTRY == TRUE) || (CH_CFG_USE_THREADHIERARCHY == TRUE) */