ESP-IDF
Select one of the symbols to view example projects that use it.
 
Outline
#include "osi/pkt_queue.h"
#include "osi/allocator.h"
#include "osi/mutex.h"
pkt_queue_header
pkt_queue
pkt_queue_t
pkt_queue_create()
pkt_queue_cleanup(struct pkt_queue *, pkt_queue_free_cb)
pkt_queue_flush(struct pkt_queue *, pkt_queue_free_cb)
pkt_queue_destroy(struct pkt_queue *, pkt_queue_free_cb)
pkt_queue_dequeue(struct pkt_queue *)
pkt_queue_enqueue(struct pkt_queue *, pkt_linked_item_t *)
pkt_queue_length(const struct pkt_queue *)
pkt_queue_is_empty(const struct pkt_queue *)
pkt_queue_try_peek_first(struct pkt_queue *)
Files
loading (4/5)...
SourceVuESP-IDF Framework and ExamplesESP-IDFcomponents/bt/common/osi/pkt_queue.c
 
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
144
145
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
/* * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 *//* ... */ #include "osi/pkt_queue.h" #include "osi/allocator.h" #include "osi/mutex.h" STAILQ_HEAD(pkt_queue_header, pkt_linked_item); struct pkt_queue { osi_mutex_t lock; size_t length; struct pkt_queue_header header; }{ ... } pkt_queue_t; struct pkt_queue *pkt_queue_create(void) { struct pkt_queue *queue = calloc(1, sizeof(struct pkt_queue)); if (queue == NULL) { return NULL; }{...} if (osi_mutex_new(&queue->lock) != 0) { osi_free(queue); return NULL; }{...} struct pkt_queue_header *p = &queue->header; STAILQ_INIT(p); return queue; }{ ... } static void pkt_queue_cleanup(struct pkt_queue *queue, pkt_queue_free_cb free_cb) { if (queue == NULL) { return; }{...} struct pkt_queue_header *header = &queue->header; pkt_linked_item_t *item = STAILQ_FIRST(header); pkt_linked_item_t *tmp; pkt_queue_free_cb free_func = (free_cb != NULL) ? free_cb : (pkt_queue_free_cb)osi_free_func; while (item != NULL) { tmp = STAILQ_NEXT(item, next); free_func(item); item = tmp; queue->length--; }{...} STAILQ_INIT(header); queue->length = 0; }{ ... } void pkt_queue_flush(struct pkt_queue *queue, pkt_queue_free_cb free_cb) { if (queue == NULL) { return; }{...} osi_mutex_lock(&queue->lock, OSI_MUTEX_MAX_TIMEOUT); pkt_queue_cleanup(queue, free_cb); osi_mutex_unlock(&queue->lock); }{ ... } void pkt_queue_destroy(struct pkt_queue *queue, pkt_queue_free_cb free_cb) { if (queue == NULL) { return; }{...} osi_mutex_lock(&queue->lock, OSI_MUTEX_MAX_TIMEOUT); pkt_queue_cleanup(queue, free_cb); osi_mutex_unlock(&queue->lock); osi_mutex_free(&queue->lock); osi_free(queue); }{ ... } pkt_linked_item_t *pkt_queue_dequeue(struct pkt_queue *queue) { if (queue == NULL || queue->length == 0) { return NULL; }{...} struct pkt_linked_item *item; struct pkt_queue_header *header; osi_mutex_lock(&queue->lock, OSI_MUTEX_MAX_TIMEOUT); header = &queue->header; item = STAILQ_FIRST(header); if (item != NULL) { STAILQ_REMOVE_HEAD(header, next); if (queue->length > 0) { queue->length--; }{...} }{...} osi_mutex_unlock(&queue->lock); return item; }{ ... } bool pkt_queue_enqueue(struct pkt_queue *queue, pkt_linked_item_t *item) { if (queue == NULL || item == NULL) { return false; }{...} struct pkt_queue_header *header; osi_mutex_lock(&queue->lock, OSI_MUTEX_MAX_TIMEOUT); header = &queue->header; STAILQ_INSERT_TAIL(header, item, next); queue->length++; osi_mutex_unlock(&queue->lock); return true; }{ ... } size_t pkt_queue_length(const struct pkt_queue *queue) { if (queue == NULL) { return 0; }{...} return queue->length; }{ ... } bool pkt_queue_is_empty(const struct pkt_queue *queue) { return pkt_queue_length(queue) == 0; }{ ... } pkt_linked_item_t *pkt_queue_try_peek_first(struct pkt_queue *queue) { if (queue == NULL) { return NULL; }{...} struct pkt_queue_header *header = &queue->header; pkt_linked_item_t *item; osi_mutex_lock(&queue->lock, OSI_MUTEX_MAX_TIMEOUT); item = STAILQ_FIRST(header); osi_mutex_unlock(&queue->lock); return item; }{ ... }
Details
Show:
from
Types: Columns: