source: rtems/c/src/exec/score/inline/rtems/score/tqdata.inl @ a66fcc5

4.104.114.84.95
Last change on this file since a66fcc5 was a66fcc5, checked in by Mark Johannes <Mark.Johannes@…>, on 08/13/96 at 20:43:51

removed Thread_queue_Get_number_waiting

  • Property mode set to 100644
File size: 1.8 KB
Line 
1/*  tqdata.inl
2 *
3 *  This file contains the static inline implementation of the inlined
4 *  routines needed to support the Thread Queue Data.
5 *
6 *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
7 *  On-Line Applications Research Corporation (OAR).
8 *  All rights assigned to U.S. Government, 1994.
9 *
10 *  This material may be reproduced by or for the U.S. Government pursuant
11 *  to the copyright license under the clause at DFARS 252.227-7013.  This
12 *  notice must appear in all copies of this file and its derivatives.
13 *
14 *  $Id$
15 */
16
17#ifndef __THREAD_QUEUE_DATA_inl
18#define __THREAD_QUEUE_DATA_inl
19
20/*PAGE
21 *
22 *  _Thread_queue_Header_number
23 *
24 *  DESCRIPTION:
25 *
26 *  This function returns the index of the priority chain on which
27 *  a thread of the_priority should be placed.
28 */
29
30RTEMS_INLINE_ROUTINE unsigned32 _Thread_queue_Header_number (
31  Priority_Control the_priority
32)
33{
34  return (the_priority / TASK_QUEUE_DATA_PRIORITIES_PER_HEADER);
35}
36
37/*PAGE
38 *
39 *  _Thread_queue_Is_reverse_search
40 *
41 *  DESCRIPTION:
42 *
43 *  This function returns TRUE if the_priority indicates that the
44 *  enqueue search should start at the front of this priority
45 *  group chain, and FALSE if the search should start at the rear.
46 */
47
48RTEMS_INLINE_ROUTINE boolean _Thread_queue_Is_reverse_search (
49  Priority_Control the_priority
50)
51{
52  return ( the_priority & TASK_QUEUE_DATA_REVERSE_SEARCH_MASK );
53}
54
55/*PAGE
56 *
57 *  _Thread_queue_Enter_critical_section
58 *
59 *  DESCRIPTION:
60 *
61 *  This routine is invoked to indicate that the specified thread queue is
62 *  entering a critical section.
63 */
64 
65RTEMS_INLINE_ROUTINE void _Thread_queue_Enter_critical_section (
66  Thread_queue_Control *the_thread_queue
67)
68{
69  the_thread_queue->sync_state = THREAD_QUEUE_NOTHING_HAPPENED;
70}
71
72#endif
73/* end of include file */
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