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/*
* Event Manager
*
* COPYRIGHT (c) 1989-1998.
* On-Line Applications Research Corporation (OAR).
* Copyright assigned to U.S. Government, 1994.
*
* 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.
*
* $Id$
*/
#include <rtems/system.h>
#include <rtems/rtems/status.h>
#include <rtems/rtems/event.h>
#include <rtems/score/isr.h>
#include <rtems/score/object.h>
#include <rtems/rtems/options.h>
#include <rtems/score/states.h>
#include <rtems/score/thread.h>
#include <rtems/rtems/tasks.h>
/*PAGE
*
* rtems_event_receive
*
* This directive allows a thread to receive a set of events.
*
* Input parameters:
* event_in - input event condition
* option_set - options
* ticks - number of ticks to wait (0 means wait forever)
* event_out - pointer to output event set
*
* Output parameters:
* event out - event set
* RTEMS_SUCCESSFUL - if successful
* error code - if unsuccessful
*/
rtems_status_code rtems_event_receive(
rtems_event_set event_in,
rtems_option option_set,
rtems_interval ticks,
rtems_event_set *event_out
)
{
RTEMS_API_Control *api;
api = _Thread_Executing->API_Extensions[ THREAD_API_RTEMS ];
if ( _Event_sets_Is_empty( event_in ) ) {
*event_out = api->pending_events;
return RTEMS_SUCCESSFUL;
}
_Thread_Disable_dispatch();
_Event_Seize( event_in, option_set, ticks, event_out );
_Thread_Enable_dispatch();
return( _Thread_Executing->Wait.return_code );
}
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