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/**
* @file rtems/rtems/eventset.inl
*
* This include file contains the information pertaining to event sets.
*/
/* COPYRIGHT (c) 1989-2008.
* 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.rtems.com/license/LICENSE.
*
* $Id$
*/
#ifndef _RTEMS_RTEMS_EVENTSET_H
# error "Never use <rtems/rtems/eventset.inl> directly; include <rtems/rtems/eventset.h> instead."
#endif
#ifndef _RTEMS_RTEMS_EVENTSET_INL
#define _RTEMS_RTEMS_EVENTSET_INL
#include <rtems/score/basedefs.h> /* RTEMS_INLINE_ROUTINE */
#include <rtems/score/isr.h> /* ISR_Level */
/**
* @addtogroup ScoreEvent
* @{
*/
/**
* @brief Event_sets_Is_empty
*
* This function returns TRUE if on events are posted in the event_set,
* and FALSE otherwise.
*/
RTEMS_INLINE_ROUTINE bool _Event_sets_Is_empty(
rtems_event_set the_event_set
)
{
return ( the_event_set == 0 );
}
/**
* @brief Event_sets_Post
*
* 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 );
}
/**
* @brief Event_sets_Get
*
* 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 );
}
/**
* @brief Event_sets_Clear
*
* 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 */
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