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/**
* @file rtems/score/tqdata.inl
*
* This file contains the static inline implementation of the inlined
* routines needed to support the Thread Queue Data.
*/
/*
* 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_SCORE_TQDATA_INL
#define _RTEMS_SCORE_TQDATA_INL
/**
* @addtogroup ScoreThreadQ
* @{
*/
/**
* This function returns the index of the priority chain on which
* a thread of the_priority should be placed.
*/
RTEMS_INLINE_ROUTINE uint32_t _Thread_queue_Header_number (
Priority_Control the_priority
)
{
return (the_priority / TASK_QUEUE_DATA_PRIORITIES_PER_HEADER);
}
/**
* This function returns TRUE if the_priority indicates that the
* enqueue search should start at the front of this priority
* group chain, and FALSE if the search should start at the rear.
*/
RTEMS_INLINE_ROUTINE boolean _Thread_queue_Is_reverse_search (
Priority_Control the_priority
)
{
return ( the_priority & TASK_QUEUE_DATA_REVERSE_SEARCH_MASK );
}
/**
* This routine is invoked to indicate that the specified thread queue is
* entering a critical section.
*/
RTEMS_INLINE_ROUTINE void _Thread_queue_Enter_critical_section (
Thread_queue_Control *the_thread_queue
)
{
the_thread_queue->sync_state = THREAD_BLOCKING_OPERATION_NOTHING_HAPPENED;
}
/**
* @}
*/
#endif
/* end of include file */
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