summaryrefslogtreecommitdiffstats
path: root/cpukit/rtems/inline/rtems/rtems/asr.inl
blob: 611ac930db35e6b3d61f4c6b96647a93b53c9125 (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
/*  inline/asr.inl
 *
 *  This include file contains the implemenation of all routines
 *  associated with the asynchronous signal handler which are inlined.
 *
 *  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 __INLINE_ASR_inl
#define __INLINE_ASR_inl

#include <rtems/score/isr.h>

/*PAGE
 *
 *  _ASR_Initialize
 *
 */

STATIC INLINE void _ASR_Initialize (
  ASR_Information *information
)
{
  information->is_enabled      = TRUE;
  information->handler         = NULL;
  information->mode_set        = RTEMS_DEFAULT_MODES;
  information->signals_posted  = 0;
  information->signals_pending = 0;
  information->nest_level      = 0;
}

/*PAGE
 *
 *  _ASR_Swap_signals
 *
 */

STATIC INLINE void _ASR_Swap_signals (
  ASR_Information *information
)
{
  rtems_signal_set _signals;
  ISR_Level        _level;

  _ISR_Disable( _level );
    _signals                     = information->signals_pending;
    information->signals_pending = information->signals_posted;
    information->signals_posted  = _signals;
  _ISR_Enable( _level );
}

/*PAGE
 *
 *  _ASR_Is_null_handler
 *
 */

STATIC INLINE boolean _ASR_Is_null_handler (
  rtems_asr_entry asr_handler
)
{
  return asr_handler == NULL;
}

/*PAGE
 *
 *  _ASR_Are_signals_pending
 *
 */

STATIC INLINE boolean _ASR_Are_signals_pending (
  ASR_Information *information
)
{
  return information->signals_posted != 0;
}

/*PAGE
 *
 *  _ASR_Post_signals
 *
 */

STATIC INLINE void _ASR_Post_signals(
  rtems_signal_set  signals,
  rtems_signal_set *signal_set
)
{
  ISR_Level              _level;

  _ISR_Disable( _level );
    *signal_set |= signals;
  _ISR_Enable( _level );
}


#endif
/* end of include file */