source: rtems/c/src/exec/rtems/inline/modes.inl @ 503dc058

4.104.114.84.95
Last change on this file since 503dc058 was 503dc058, checked in by Joel Sherrill <joel.sherrill@…>, on Jul 3, 1996 at 2:20:03 PM

switched from "STATIC INLINE" to "RTEMS_INLINE_ROUTINE"

  • Property mode set to 100644
File size: 3.1 KB
Line 
1/*  modes.inl
2 *
3 *  This include file contains the static inline implementation of the
4 *  inlined routines in the Mode Handler
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 __MODES_inl
18#define __MODES_inl
19
20/*PAGE
21 *
22 *  _Modes_Mask_changed
23 *
24 *  DESCRIPTION:
25 *
26 *  This function returns TRUE if any of the mode flags in mask
27 *  are set in mode_set, and FALSE otherwise.
28 */
29
30RTEMS_INLINE_ROUTINE boolean _Modes_Mask_changed (
31  Modes_Control mode_set,
32  Modes_Control masks
33)
34{
35   return ( mode_set & masks );
36}
37
38/*PAGE
39 *
40 *  _Modes_Is_asr_disabled
41 *
42 *  DESCRIPTION:
43 *
44 *  This function returns TRUE if mode_set indicates that Asynchronous
45 *  Signal Processing is disabled, and FALSE otherwise.
46 */
47
48RTEMS_INLINE_ROUTINE boolean _Modes_Is_asr_disabled (
49  Modes_Control mode_set
50)
51{
52   return (mode_set & RTEMS_ASR_MASK) == RTEMS_NO_ASR;
53}
54
55/*PAGE
56 *
57 *  _Modes_Is_preempt
58 *
59 *  DESCRIPTION:
60 *
61 *  This function returns TRUE if mode_set indicates that preemption
62 *  is enabled, and FALSE otherwise.
63 */
64
65RTEMS_INLINE_ROUTINE boolean _Modes_Is_preempt (
66  Modes_Control mode_set
67)
68{
69   return (mode_set & RTEMS_PREEMPT_MASK) == RTEMS_PREEMPT;
70}
71
72/*PAGE
73 *
74 *  _Modes_Is_timeslice
75 *
76 *  DESCRIPTION:
77 *
78 *  This function returns TRUE if mode_set indicates that timeslicing
79 *  is enabled, and FALSE otherwise.
80 */
81
82RTEMS_INLINE_ROUTINE boolean _Modes_Is_timeslice (
83  Modes_Control mode_set
84)
85{
86  return (mode_set & RTEMS_TIMESLICE_MASK) == RTEMS_TIMESLICE;
87}
88
89/*PAGE
90 *
91 *  _Modes_Get_interrupt_level
92 *
93 *  DESCRIPTION:
94 *
95 *  This function returns the interrupt level portion of the mode_set.
96 */
97
98RTEMS_INLINE_ROUTINE ISR_Level _Modes_Get_interrupt_level (
99  Modes_Control mode_set
100)
101{
102  return ( mode_set & RTEMS_INTERRUPT_MASK );
103}
104
105/*PAGE
106 *
107 *  _Modes_Set_interrupt_level
108 *
109 *  DESCRIPTION:
110 *
111 *  This routine sets the current interrupt level to that specified
112 *  in the mode_set.
113 */
114
115RTEMS_INLINE_ROUTINE void _Modes_Set_interrupt_level (
116  Modes_Control mode_set
117)
118{
119  _ISR_Set_level( _Modes_Get_interrupt_level( mode_set ) );
120}
121
122/*PAGE
123 *
124 *  _Modes_Change
125 *
126 *  DESCRIPTION:
127 *
128 *  This routine changes the modes in old_mode_set indicated by
129 *  mask to the requested values in new_mode_set.  The resulting
130 *  mode set is returned in out_mode_set and the modes that changed
131 *  is returned in changed.
132 */
133
134RTEMS_INLINE_ROUTINE void _Modes_Change (
135  Modes_Control  old_mode_set,
136  Modes_Control  new_mode_set,
137  Modes_Control  mask,
138  Modes_Control *out_mode_set,
139  Modes_Control *changed
140)
141{
142  Modes_Control _out_mode;
143
144  _out_mode      =  old_mode_set;
145  _out_mode     &= ~mask;
146  _out_mode     |= new_mode_set & mask;
147  *changed       = _out_mode ^ old_mode_set;
148  *out_mode_set  = _out_mode;
149}
150
151#endif
152/* end of include file */
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