RTEMS: cpukit/include/rtems/score/statesimpl.h Source File

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statesimpl.h
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1
12/*
13 * COPYRIGHT (c) 1989-2012.
14 * On-Line Applications Research Corporation (OAR).
15 *
16 * The license and distribution terms for this file may be
17 * found in the file LICENSE in this distribution or at
18 * http://www.rtems.org/license/LICENSE.
19 */
20
21#ifndef _RTEMS_SCORE_STATESIMPL_H
22#define _RTEMS_SCORE_STATESIMPL_H
23
24#include <rtems/score/states.h>
25#include <rtems/score/basedefs.h>
26
27#ifdef __cplusplus
28extern "C" {
29#endif
30
37/*
38 * The following constants define the individual states which may be
39 * be used to compose and manipulate a thread's state. More frequently used
40 * states should use lower value bits to ease the use of immediate values on
41 * RISC architectures.
42 */
43
45#define STATES_READY 0x00000000
46
48#define STATES_WAITING_FOR_MUTEX 0x00000001
49
51#define STATES_WAITING_FOR_SEMAPHORE 0x00000002
52
54#define STATES_WAITING_FOR_EVENT 0x00000004
55
57#define STATES_WAITING_FOR_SYSTEM_EVENT 0x00000008
58
60#define STATES_WAITING_FOR_MESSAGE 0x00000010
61
63#define STATES_WAITING_FOR_CONDITION_VARIABLE 0x00000020
64
66#define STATES_WAITING_FOR_FUTEX 0x00000040
67
69#define STATES_WAITING_FOR_BSD_WAKEUP 0x00000080
70
75#define STATES_WAITING_FOR_TIME 0x00000100
76
78#define STATES_WAITING_FOR_PERIOD 0x00000200
79
81#define STATES_WAITING_FOR_SIGNAL 0x00000400
82
84#define STATES_WAITING_FOR_BARRIER 0x00000800
85
87#define STATES_WAITING_FOR_RWLOCK 0x00001000
88
90#define STATES_WAITING_FOR_JOIN_AT_EXIT 0x00002000
91
93#define STATES_WAITING_FOR_JOIN 0x00004000
94
96#define STATES_SUSPENDED 0x00008000
97
99#define STATES_WAITING_FOR_SEGMENT 0x00010000
100
102#define STATES_LIFE_IS_CHANGING 0x00020000
103
105#define STATES_DEBUGGER 0x08000000
106
110#define STATES_INTERRUPTIBLE_BY_SIGNAL 0x10000000
111
113#define STATES_WAITING_FOR_RPC_REPLY 0x20000000
114
116#define STATES_ZOMBIE 0x40000000
117
119#define STATES_DORMANT 0x80000000
120
122#define STATES_LOCALLY_BLOCKED ( STATES_WAITING_FOR_SEGMENT | \
123 STATES_WAITING_FOR_MESSAGE | \
124 STATES_WAITING_FOR_SEMAPHORE | \
125 STATES_WAITING_FOR_MUTEX | \
126 STATES_WAITING_FOR_CONDITION_VARIABLE | \
127 STATES_WAITING_FOR_JOIN | \
128 STATES_WAITING_FOR_SIGNAL | \
129 STATES_WAITING_FOR_BARRIER | \
130 STATES_WAITING_FOR_BSD_WAKEUP | \
131 STATES_WAITING_FOR_FUTEX | \
132 STATES_WAITING_FOR_RWLOCK )
133
135#define STATES_BLOCKED ( STATES_LOCALLY_BLOCKED | \
136 STATES_WAITING_FOR_TIME | \
137 STATES_WAITING_FOR_PERIOD | \
138 STATES_WAITING_FOR_EVENT | \
139 STATES_WAITING_FOR_RPC_REPLY | \
140 STATES_WAITING_FOR_SYSTEM_EVENT | \
141 STATES_INTERRUPTIBLE_BY_SIGNAL )
142
144#define STATES_ALL_SET 0xffffffff
145
157 RTEMS_INLINE_ROUTINE States_Control _States_Set (
158 States_Control states_to_set,
159 States_Control current_state
160)
161{
162 return (current_state | states_to_set);
163}
164
176 RTEMS_INLINE_ROUTINE States_Control _States_Clear (
177 States_Control states_to_clear,
178 States_Control current_state
179)
180{
181 return (current_state & ~states_to_clear);
182}
183
195 RTEMS_INLINE_ROUTINE bool _States_Is_ready (
196 States_Control the_states
197)
198{
199 return (the_states == STATES_READY);
200}
201
213 RTEMS_INLINE_ROUTINE bool _States_Is_dormant (
214 States_Control the_states
215)
216{
217 return (the_states & STATES_DORMANT);
218}
219
231 RTEMS_INLINE_ROUTINE bool _States_Is_suspended (
232 States_Control the_states
233)
234{
235 return (the_states & STATES_SUSPENDED);
236}
237
249 RTEMS_INLINE_ROUTINE bool _States_Is_waiting_for_rpc_reply (
250 States_Control the_states
251)
252{
253 return (the_states & STATES_WAITING_FOR_RPC_REPLY);
254}
255
267 RTEMS_INLINE_ROUTINE bool _States_Is_waiting_for_join_at_exit(
268 States_Control the_states
269)
270{
271 return ( the_states & STATES_WAITING_FOR_JOIN_AT_EXIT ) != 0;
272}
273
285 RTEMS_INLINE_ROUTINE bool _States_Is_interruptible_by_signal (
286 States_Control the_states
287)
288{
289 return (the_states & STATES_INTERRUPTIBLE_BY_SIGNAL);
290}
291
306 RTEMS_INLINE_ROUTINE bool _States_Is_locally_blocked (
307 States_Control the_states
308)
309{
310 return (the_states & STATES_LOCALLY_BLOCKED);
311}
312
315#ifdef __cplusplus
316}
317#endif
318
319#endif
320/* end of include file */
basedefs.h
Basic Definitions.
RTEMS_INLINE_ROUTINE
#define RTEMS_INLINE_ROUTINE
Definition: basedefs.h:66
_States_Is_waiting_for_join_at_exit
RTEMS_INLINE_ROUTINE bool _States_Is_waiting_for_join_at_exit(States_Control the_states)
Checks if WAITING_FOR_JOIN_AT_EXIT state is set.
Definition: statesimpl.h:267
_States_Is_ready
RTEMS_INLINE_ROUTINE bool _States_Is_ready(States_Control the_states)
Checks if the state is ready.
Definition: statesimpl.h:195
STATES_INTERRUPTIBLE_BY_SIGNAL
#define STATES_INTERRUPTIBLE_BY_SIGNAL
Definition: statesimpl.h:110
STATES_LOCALLY_BLOCKED
#define STATES_LOCALLY_BLOCKED
Definition: statesimpl.h:122
STATES_WAITING_FOR_JOIN_AT_EXIT
#define STATES_WAITING_FOR_JOIN_AT_EXIT
Definition: statesimpl.h:90
_States_Is_suspended
RTEMS_INLINE_ROUTINE bool _States_Is_suspended(States_Control the_states)
Checks if SUSPENDED state is set.
Definition: statesimpl.h:231
STATES_WAITING_FOR_RPC_REPLY
#define STATES_WAITING_FOR_RPC_REPLY
Definition: statesimpl.h:113
_States_Is_locally_blocked
RTEMS_INLINE_ROUTINE bool _States_Is_locally_blocked(States_Control the_states)
Checks if the state is blocked waiting on a local resource.
Definition: statesimpl.h:306
_States_Is_interruptible_by_signal
RTEMS_INLINE_ROUTINE bool _States_Is_interruptible_by_signal(States_Control the_states)
Checks if the state is set to be interruptible.
Definition: statesimpl.h:285
STATES_READY
#define STATES_READY
Definition: statesimpl.h:45
STATES_DORMANT
#define STATES_DORMANT
Definition: statesimpl.h:119
_States_Is_dormant
RTEMS_INLINE_ROUTINE bool _States_Is_dormant(States_Control the_states)
Checks if DORMANT state is set.
Definition: statesimpl.h:213
_States_Set
RTEMS_INLINE_ROUTINE States_Control _States_Set(States_Control states_to_set, States_Control current_state)
Returns the result of setting the states to set to the given state.
Definition: statesimpl.h:157
_States_Clear
RTEMS_INLINE_ROUTINE States_Control _States_Clear(States_Control states_to_clear, States_Control current_state)
Clears the states into the passed current state and returns the result.
Definition: statesimpl.h:176
_States_Is_waiting_for_rpc_reply
RTEMS_INLINE_ROUTINE bool _States_Is_waiting_for_rpc_reply(States_Control the_states)
Checks if WAITING_FOR_TIME state is set.
Definition: statesimpl.h:249
STATES_SUSPENDED
#define STATES_SUSPENDED
Definition: statesimpl.h:96
States_Control
uint32_t States_Control
Definition: states.h:46
states.h
Thread Execution State Information.