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/*  inline/eventset.inl

 *

 *  This include file contains the information pertaining to event sets.

 *

 *  COPYRIGHT (c) 1989-1999.

 *  On-Line Applications Research Corporation (OAR).

 *

 *  The license and distribution terms for this file may be

 *  found in the file LICENSE in this distribution or at

 *  http://www.OARcorp.com/rtems/license.html.

 *

 *  $Id: eventset.inl,v 1.2 2001-09-27 11:59:18 chris Exp $

 */

#ifndef __INLINE_EVENT_SET_inl

#define __INLINE_EVENT_SET_inl

/*PAGE

 *

 *  _Event_sets_Is_empty

 *

 *  DESCRIPTION:

 *

 *  This function returns TRUE if on events are posted in the event_set,

 *  and FALSE otherwise.

 */

RTEMS_INLINE_ROUTINE boolean _Event_sets_Is_empty(

  rtems_event_set the_event_set

)

{

  return ( the_event_set == 0 );

}

/*PAGE

 *

 *  _Event_sets_Post

 *

 *  DESCRIPTION:

 *

 *  This routine posts the given new_events into the event_set

 *  passed in.  The result is returned to the user in event_set.

 */

RTEMS_INLINE_ROUTINE void _Event_sets_Post(

  rtems_event_set  the_new_events,

  rtems_event_set *the_event_set

)

{

  ISR_Level level;

  _ISR_Disable( level );

    *the_event_set |= the_new_events;

  _ISR_Enable( level );

}

/*PAGE

 *

 *  _Event_sets_Get

 *

 *  DESCRIPTION:

 *

 *  This function returns the events in event_condition which are

 *  set in event_set.

 */

RTEMS_INLINE_ROUTINE rtems_event_set _Event_sets_Get(

  rtems_event_set the_event_set,

  rtems_event_set the_event_condition

)

{

   return ( the_event_set & the_event_condition );

}

/*PAGE

 *

 *  _Event_sets_Clear

 *

 *  DESCRIPTION:

 *

 *  This function removes the events in mask from the event_set

 *  passed in.  The result is returned to the user in event_set.

 */

RTEMS_INLINE_ROUTINE rtems_event_set _Event_sets_Clear(

 rtems_event_set the_event_set,

 rtems_event_set the_mask

)

{

   return ( the_event_set & ~(the_mask) );

}

#endif

/* end of include file */