source: rtems/cpukit/include/rtems/rtems/eventimpl.h @ efc227cd

Last change on this file since efc227cd was efc227cd, checked in by Sebastian Huber <sebastian.huber@…>, on Nov 8, 2018 at 9:24:19 AM

rtems: Move internal structures to eventdata.h

Update #3598.

  • Property mode set to 100644
File size: 3.1 KB
Line 
1/**
2 * @file
3 *
4 * @ingroup ClassicEventImpl
5 *
6 * @brief Classic Event Manager Implementation
7 */
8
9/*  COPYRIGHT (c) 1989-2008.
10 *  On-Line Applications Research Corporation (OAR).
11 *
12 *  The license and distribution terms for this file may be
13 *  found in the file LICENSE in this distribution or at
14 *  http://www.rtems.org/license/LICENSE.
15 */
16
17#ifndef _RTEMS_RTEMS_EVENTIMPL_H
18#define _RTEMS_RTEMS_EVENTIMPL_H
19
20#include <rtems/rtems/eventdata.h>
21#include <rtems/score/thread.h>
22
23#ifdef __cplusplus
24extern "C" {
25#endif
26
27/**
28 * @defgroup ClassicEventImpl Classic Event Implementation
29 *
30 * @ingroup ClassicEvent
31 *
32 * @{
33 */
34
35/**
36 *  This constant is passed as the event_in to the
37 *  rtems_event_receive directive to determine which events are pending.
38 */
39#define EVENT_CURRENT  0
40
41/**
42 *  The following constant is the value of an event set which
43 *  has no events pending.
44 */
45#define EVENT_SETS_NONE_PENDING 0
46
47rtems_status_code _Event_Seize(
48  rtems_event_set    event_in,
49  rtems_option       option_set,
50  rtems_interval     ticks,
51  rtems_event_set   *event_out,
52  Thread_Control    *executing,
53  Event_Control     *event,
54  Thread_Wait_flags  wait_class,
55  States_Control     block_state,
56  ISR_lock_Context  *lock_context
57);
58
59rtems_status_code _Event_Surrender(
60  Thread_Control    *the_thread,
61  rtems_event_set    event_in,
62  Event_Control     *event,
63  Thread_Wait_flags  wait_class,
64  ISR_lock_Context  *lock_context
65);
66
67/**
68 *  @brief Timeout Event
69 */
70void _Event_Timeout(
71  Objects_Id  id,
72  void       *arg
73);
74
75RTEMS_INLINE_ROUTINE void _Event_Initialize( Event_Control *event )
76{
77  event->pending_events = EVENT_SETS_NONE_PENDING;
78}
79
80/**
81 *  @brief Checks if on events are posted in the event_set.
82 *
83 *  This function returns TRUE if on events are posted in the event_set,
84 *  and FALSE otherwise.
85 */
86RTEMS_INLINE_ROUTINE bool _Event_sets_Is_empty(
87  rtems_event_set the_event_set
88)
89{
90  return ( the_event_set == 0 );
91}
92
93/**
94 *  @brief Posts the given new_events into the event_set passed in.
95 *
96 *  This routine posts the given new_events into the event_set
97 *  passed in.  The result is returned to the user in event_set.
98 */
99RTEMS_INLINE_ROUTINE void _Event_sets_Post(
100  rtems_event_set  the_new_events,
101  rtems_event_set *the_event_set
102)
103{
104  *the_event_set |= the_new_events;
105}
106
107/**
108 *  @brief Returns the events in event_condition that are set in event_set.
109 *
110 *  This function returns the events in event_condition which are
111 *  set in event_set.
112 */
113RTEMS_INLINE_ROUTINE rtems_event_set _Event_sets_Get(
114  rtems_event_set the_event_set,
115  rtems_event_set the_event_condition
116)
117{
118   return ( the_event_set & the_event_condition );
119}
120
121/**
122 *  @brief Removes the events in mask from the event_set passed in.
123 *
124 *  This function removes the events in mask from the event_set
125 *  passed in.  The result is returned to the user in event_set.
126 */
127RTEMS_INLINE_ROUTINE rtems_event_set _Event_sets_Clear(
128 rtems_event_set the_event_set,
129 rtems_event_set the_mask
130)
131{
132   return ( the_event_set & ~(the_mask) );
133}
134
135/**@}*/
136
137#ifdef __cplusplus
138}
139#endif
140
141#if defined(RTEMS_MULTIPROCESSING)
142#include <rtems/rtems/eventmp.h>
143#endif
144
145#endif
146/* end of include file */
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