summaryrefslogtreecommitdiffstats
path: root/c/src/exec/rtems/inline/ratemon.inl
blob: 9d7a49e69b2de31a7c0e3a0831b7d100e30d1fa1 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
/*  ratemon.inl
 *
 *  This file contains the static inline  implementation of the inlined
 *  routines in the Rate Monotonic Manager.
 *
 *  COPYRIGHT (c) 1989-1997.
 *  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.
 *
 *  $Id$
 */

#ifndef __RATE_MONOTONIC_inl
#define __RATE_MONOTONIC_inl

/*PAGE
 *
 *  _Rate_monotonic_Allocate
 *
 *  DESCRIPTION:
 *
 *  This function allocates a period control block from
 *  the inactive chain of free period control blocks.
 */

RTEMS_INLINE_ROUTINE Rate_monotonic_Control *_Rate_monotonic_Allocate( void )
{
  return (Rate_monotonic_Control *)
    _Objects_Allocate( &_Rate_monotonic_Information );
}

/*PAGE
 *
 *  _Rate_monotonic_Free
 *
 *  DESCRIPTION:
 *
 *  This routine allocates a period control block from
 *  the inactive chain of free period control blocks.
 */

RTEMS_INLINE_ROUTINE void _Rate_monotonic_Free (
  Rate_monotonic_Control *the_period
)
{
  _Objects_Free( &_Rate_monotonic_Information, &the_period->Object );
}

/*PAGE
 *
 *  _Rate_monotonic_Get
 *
 *  DESCRIPTION:
 *
 *  This function maps period IDs to period control blocks.
 *  If ID corresponds to a local period, then it returns
 *  the_period control pointer which maps to ID and location
 *  is set to OBJECTS_LOCAL.  Otherwise, location is set
 *  to OBJECTS_ERROR and the_period is undefined.
 */

RTEMS_INLINE_ROUTINE Rate_monotonic_Control *_Rate_monotonic_Get (
  Objects_Id         id,
  Objects_Locations *location
)
{
  return (Rate_monotonic_Control *)
    _Objects_Get( &_Rate_monotonic_Information, id, location );
}

/*PAGE
 *
 *  _Rate_monotonic_Is_active
 *
 *  DESCRIPTION:
 *
 *  This function returns TRUE if the_period is in the ACTIVE state,
 *  and FALSE otherwise.
 */

RTEMS_INLINE_ROUTINE boolean _Rate_monotonic_Is_active (
  Rate_monotonic_Control *the_period
)
{
  return (the_period->state == RATE_MONOTONIC_ACTIVE);
}

/*PAGE
 *
 *  _Rate_monotonic_Is_inactive
 *
 *  DESCRIPTION:
 *
 *  This function returns TRUE if the_period is in the ACTIVE state,
 *  and FALSE otherwise.
 */

RTEMS_INLINE_ROUTINE boolean _Rate_monotonic_Is_inactive (
  Rate_monotonic_Control *the_period
)
{
  return (the_period->state == RATE_MONOTONIC_INACTIVE);
}

/*PAGE
 *
 *  _Rate_monotonic_Is_expired
 *
 *  DESCRIPTION:
 *
 *  This function returns TRUE if the_period is in the EXPIRED state,
 *  and FALSE otherwise.
 */

RTEMS_INLINE_ROUTINE boolean _Rate_monotonic_Is_expired (
  Rate_monotonic_Control *the_period
)
{
  return (the_period->state == RATE_MONOTONIC_EXPIRED);
}

/*PAGE
 *
 *  _Rate_monotonic_Is_null
 *
 *  DESCRIPTION:
 *
 *  This function returns TRUE if the_period is NULL and FALSE otherwise.
 */

RTEMS_INLINE_ROUTINE boolean _Rate_monotonic_Is_null (
  Rate_monotonic_Control *the_period
)
{
  return (the_period == NULL);
}

#endif
/* end of include file */