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/* tqdata.inl
*
* This file contains the static inline implementation of the inlined
* routines needed to support the Thread Queue Data.
*
* COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
* On-Line Applications Research Corporation (OAR).
* All rights assigned to U.S. Government, 1994.
*
* This material may be reproduced by or for the U.S. Government pursuant
* to the copyright license under the clause at DFARS 252.227-7013. This
* notice must appear in all copies of this file and its derivatives.
*
* $Id$
*/
#ifndef __THREAD_QUEUE_DATA_inl
#define __THREAD_QUEUE_DATA_inl
/*PAGE
*
* _Thread_queue_Header_number
*
* DESCRIPTION:
*
* This function returns the index of the priority chain on which
* a thread of the_priority should be placed.
*/
STATIC INLINE unsigned32 _Thread_queue_Header_number (
Priority_Control the_priority
)
{
return (the_priority / TASK_QUEUE_DATA_PRIORITIES_PER_HEADER);
}
/*PAGE
*
* _Thread_queue_Is_reverse_search
*
* DESCRIPTION:
*
* 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.
*/
STATIC INLINE boolean _Thread_queue_Is_reverse_search (
Priority_Control the_priority
)
{
return ( the_priority & TASK_QUEUE_DATA_REVERSE_SEARCH_MASK );
}
/*PAGE
*
* _Thread_queue_Get_number_waiting
*
* DESCRIPTION:
*
* This function returns the number of threads waiting on this thread queue.
*/
STATIC INLINE unsigned32 _Thread_queue_Get_number_waiting (
Thread_queue_Control *the_thread_queue
)
{
return ( the_thread_queue->count );
}
/*PAGE
*
* _Thread_queue_Enter_critical_section
*
* DESCRIPTION:
*
* This routine is invoked to indicate that the specified thread queue is
* entering a critical section.
*/
STATIC INLINE void _Thread_queue_Enter_critical_section (
Thread_queue_Control *the_thread_queue
)
{
the_thread_queue->sync_state = THREAD_QUEUE_NOTHING_HAPPENED;
}
#endif
/* end of include file */
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