Zephyr API Documentation
3.6.99
A Scalable Open Source RTOS
Loading...
Searching...
No Matches
list_gen.h
Go to the documentation of this file.
1
/*
2
* Copyright (c) 2016 Intel Corporation
3
*
4
* SPDX-License-Identifier: Apache-2.0
5
*/
6
7
#ifndef ZEPHYR_INCLUDE_SYS_LIST_GEN_H_
8
#define ZEPHYR_INCLUDE_SYS_LIST_GEN_H_
9
10
#include <stddef.h>
11
#include <
stdbool.h
>
12
#include <
zephyr/sys/util.h
>
13
14
#define Z_GENLIST_FOR_EACH_NODE(__lname, __l, __sn) \
15
for (__sn = sys_ ## __lname ## _peek_head(__l); __sn != NULL; \
16
__sn = sys_ ## __lname ## _peek_next(__sn))
17
18
19
#define Z_GENLIST_ITERATE_FROM_NODE(__lname, __l, __sn) \
20
for (__sn = __sn ? sys_ ## __lname ## _peek_next_no_check(__sn) \
21
: sys_ ## __lname ## _peek_head(__l); \
22
__sn != NULL; \
23
__sn = sys_ ## __lname ## _peek_next(__sn))
24
25
#define Z_GENLIST_FOR_EACH_NODE_SAFE(__lname, __l, __sn, __sns) \
26
for (__sn = sys_ ## __lname ## _peek_head(__l), \
27
__sns = sys_ ## __lname ## _peek_next(__sn); \
28
__sn != NULL ; __sn = __sns, \
29
__sns = sys_ ## __lname ## _peek_next(__sn))
30
31
#define Z_GENLIST_CONTAINER(__ln, __cn, __n) \
32
((__ln) ? CONTAINER_OF((__ln), __typeof__(*(__cn)), __n) : NULL)
33
34
#define Z_GENLIST_PEEK_HEAD_CONTAINER(__lname, __l, __cn, __n) \
35
Z_GENLIST_CONTAINER(sys_ ## __lname ## _peek_head(__l), __cn, __n)
36
37
#define Z_GENLIST_PEEK_TAIL_CONTAINER(__lname, __l, __cn, __n) \
38
Z_GENLIST_CONTAINER(sys_ ## __lname ## _peek_tail(__l), __cn, __n)
39
40
#define Z_GENLIST_PEEK_NEXT_CONTAINER(__lname, __cn, __n) \
41
((__cn) ? Z_GENLIST_CONTAINER( \
42
sys_ ## __lname ## _peek_next(&((__cn)->__n)), \
43
__cn, __n) : NULL)
44
45
#define Z_GENLIST_FOR_EACH_CONTAINER(__lname, __l, __cn, __n) \
46
for (__cn = Z_GENLIST_PEEK_HEAD_CONTAINER(__lname, __l, __cn, \
47
__n); \
48
__cn != NULL; \
49
__cn = Z_GENLIST_PEEK_NEXT_CONTAINER(__lname, __cn, __n))
50
51
#define Z_GENLIST_FOR_EACH_CONTAINER_SAFE(__lname, __l, __cn, __cns, __n) \
52
for (__cn = Z_GENLIST_PEEK_HEAD_CONTAINER(__lname, __l, __cn, __n), \
53
__cns = Z_GENLIST_PEEK_NEXT_CONTAINER(__lname, __cn, __n); \
54
__cn != NULL; __cn = __cns, \
55
__cns = Z_GENLIST_PEEK_NEXT_CONTAINER(__lname, __cn, __n))
56
57
#define Z_GENLIST_IS_EMPTY(__lname) \
58
static inline bool \
59
sys_ ## __lname ## _is_empty(sys_ ## __lname ## _t *list) \
60
{ \
61
return (sys_ ## __lname ## _peek_head(list) == NULL); \
62
}
63
64
#define Z_GENLIST_PEEK_NEXT_NO_CHECK(__lname, __nname) \
65
static inline sys_ ## __nname ## _t * \
66
sys_ ## __lname ## _peek_next_no_check(sys_ ## __nname ## _t *node) \
67
{ \
68
return z_ ## __nname ## _next_peek(node); \
69
}
70
71
#define Z_GENLIST_PEEK_NEXT(__lname, __nname) \
72
static inline sys_ ## __nname ## _t * \
73
sys_ ## __lname ## _peek_next(sys_ ## __nname ## _t *node) \
74
{ \
75
return (node != NULL) ? \
76
sys_ ## __lname ## _peek_next_no_check(node) : \
77
NULL; \
78
}
79
80
#define Z_GENLIST_PREPEND(__lname, __nname) \
81
static inline void \
82
sys_ ## __lname ## _prepend(sys_ ## __lname ## _t *list, \
83
sys_ ## __nname ## _t *node) \
84
{ \
85
z_ ## __nname ## _next_set(node, \
86
sys_ ## __lname ## _peek_head(list)); \
87
z_ ## __lname ## _head_set(list, node); \
88
\
89
if (sys_ ## __lname ## _peek_tail(list) == NULL) { \
90
z_ ## __lname ## _tail_set(list, \
91
sys_ ## __lname ## _peek_head(list)); \
92
} \
93
}
94
95
#define Z_GENLIST_APPEND(__lname, __nname) \
96
static inline void \
97
sys_ ## __lname ## _append(sys_ ## __lname ## _t *list, \
98
sys_ ## __nname ## _t *node) \
99
{ \
100
z_ ## __nname ## _next_set(node, NULL); \
101
\
102
if (sys_ ## __lname ## _peek_tail(list) == NULL) { \
103
z_ ## __lname ## _tail_set(list, node); \
104
z_ ## __lname ## _head_set(list, node); \
105
} else { \
106
z_ ## __nname ## _next_set( \
107
sys_ ## __lname ## _peek_tail(list), \
108
node); \
109
z_ ## __lname ## _tail_set(list, node); \
110
} \
111
}
112
113
#define Z_GENLIST_APPEND_LIST(__lname, __nname) \
114
static inline void \
115
sys_ ## __lname ## _append_list(sys_ ## __lname ## _t *list, \
116
void *head, void *tail) \
117
{ \
118
if (head != NULL && tail != NULL) { \
119
if (sys_ ## __lname ## _peek_tail(list) == NULL) { \
120
z_ ## __lname ## _head_set(list, \
121
(sys_ ## __nname ## _t *)head); \
122
} else { \
123
z_ ## __nname ## _next_set( \
124
sys_ ## __lname ## _peek_tail(list), \
125
(sys_ ## __nname ## _t *)head); \
126
} \
127
z_ ## __lname ## _tail_set(list, \
128
(sys_ ## __nname ## _t *)tail); \
129
} \
130
}
131
132
#define Z_GENLIST_MERGE_LIST(__lname, __nname) \
133
static inline void \
134
sys_ ## __lname ## _merge_ ## __lname ( \
135
sys_ ## __lname ## _t *list, \
136
sys_ ## __lname ## _t *list_to_append) \
137
{ \
138
sys_ ## __nname ## _t *head, *tail; \
139
head = sys_ ## __lname ## _peek_head(list_to_append); \
140
tail = sys_ ## __lname ## _peek_tail(list_to_append); \
141
sys_ ## __lname ## _append_list(list, head, tail); \
142
sys_ ## __lname ## _init(list_to_append); \
143
}
144
145
#define Z_GENLIST_INSERT(__lname, __nname) \
146
static inline void \
147
sys_ ## __lname ## _insert(sys_ ## __lname ## _t *list, \
148
sys_ ## __nname ## _t *prev, \
149
sys_ ## __nname ## _t *node) \
150
{ \
151
if (prev == NULL) { \
152
sys_ ## __lname ## _prepend(list, node); \
153
} else if (z_ ## __nname ## _next_peek(prev) == NULL) { \
154
sys_ ## __lname ## _append(list, node); \
155
} else { \
156
z_ ## __nname ## _next_set(node, \
157
z_ ## __nname ## _next_peek(prev)); \
158
z_ ## __nname ## _next_set(prev, node); \
159
} \
160
}
161
162
#define Z_GENLIST_GET_NOT_EMPTY(__lname, __nname) \
163
static inline sys_ ## __nname ## _t * \
164
sys_ ## __lname ## _get_not_empty(sys_ ## __lname ## _t *list) \
165
{ \
166
sys_ ## __nname ## _t *node = \
167
sys_ ## __lname ## _peek_head(list); \
168
\
169
z_ ## __lname ## _head_set(list, \
170
z_ ## __nname ## _next_peek(node)); \
171
if (sys_ ## __lname ## _peek_tail(list) == node) { \
172
z_ ## __lname ## _tail_set(list, \
173
sys_ ## __lname ## _peek_head(list)); \
174
} \
175
\
176
return node; \
177
}
178
179
#define Z_GENLIST_GET(__lname, __nname) \
180
static inline sys_ ## __nname ## _t * \
181
sys_ ## __lname ## _get(sys_ ## __lname ## _t *list) \
182
{ \
183
return sys_ ## __lname ## _is_empty(list) ? NULL : \
184
sys_ ## __lname ## _get_not_empty(list); \
185
}
186
187
#define Z_GENLIST_REMOVE(__lname, __nname) \
188
static inline void \
189
sys_ ## __lname ## _remove(sys_ ## __lname ## _t *list, \
190
sys_ ## __nname ## _t *prev_node, \
191
sys_ ## __nname ## _t *node) \
192
{ \
193
if (prev_node == NULL) { \
194
z_ ## __lname ## _head_set(list, \
195
z_ ## __nname ## _next_peek(node)); \
196
\
197
/* Was node also the tail? */
\
198
if (sys_ ## __lname ## _peek_tail(list) == node) { \
199
z_ ## __lname ## _tail_set(list, \
200
sys_ ## __lname ## _peek_head(list)); \
201
} \
202
} else { \
203
z_ ## __nname ## _next_set(prev_node, \
204
z_ ## __nname ## _next_peek(node)); \
205
\
206
/* Was node the tail? */
\
207
if (sys_ ## __lname ## _peek_tail(list) == node) { \
208
z_ ## __lname ## _tail_set(list, \
209
prev_node); \
210
} \
211
} \
212
\
213
z_ ## __nname ## _next_set(node, NULL); \
214
}
215
216
#define Z_GENLIST_FIND_AND_REMOVE(__lname, __nname) \
217
static inline bool \
218
sys_ ## __lname ## _find_and_remove(sys_ ## __lname ## _t *list, \
219
sys_ ## __nname ## _t *node) \
220
{ \
221
sys_ ## __nname ## _t *prev = NULL; \
222
sys_ ## __nname ## _t *test; \
223
\
224
Z_GENLIST_FOR_EACH_NODE(__lname, list, test) { \
225
if (test == node) { \
226
sys_ ## __lname ## _remove(list, prev, \
227
node); \
228
return true; \
229
} \
230
\
231
prev = test; \
232
} \
233
\
234
return false; \
235
}
236
237
#define Z_GENLIST_FIND(__lname, __nname) \
238
static inline bool sys_##__lname##_find( \
239
sys_##__lname##_t *list, sys_##__nname##_t *node, sys_##__nname##_t **prev) \
240
{ \
241
sys_##__nname##_t *current = NULL; \
242
sys_##__nname##_t *previous = NULL; \
243
\
244
Z_GENLIST_FOR_EACH_NODE(__lname, list, current) { \
245
if (current == node) { \
246
if (prev != NULL) { \
247
*prev = previous; \
248
} \
249
return true; \
250
} \
251
\
252
previous = current; \
253
} \
254
\
255
if (prev != NULL) { \
256
*prev = previous; \
257
} \
258
\
259
return false; \
260
}
261
262
#define Z_GENLIST_LEN(__lname, __nname) \
263
static inline size_t sys_##__lname##_len(sys_##__lname##_t * list) \
264
{ \
265
size_t len = 0; \
266
static sys_##__nname##_t * node; \
267
Z_GENLIST_FOR_EACH_NODE(__lname, list, node) { \
268
len++; \
269
} \
270
return len; \
271
}
272
273
#endif
/* ZEPHYR_INCLUDE_SYS_LIST_GEN_H_ */
stdbool.h
util.h
Misc utilities.
zephyr
sys
list_gen.h
Generated on Thu Sep 26 2024 10:47:06 for Zephyr API Documentation by
1.9.6
1.9.6