1 /*
2 * Copyright (c) 2021 Nordic Semiconductor ASA
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <zephyr/spinlock.h>
8 #include <zephyr/sys/heap_listener.h>
9
10 static struct k_spinlock heap_listener_lock;
11 static sys_slist_t heap_listener_list = SYS_SLIST_STATIC_INIT(&heap_listener_list);
12
heap_listener_register(struct heap_listener * listener)13 void heap_listener_register(struct heap_listener *listener)
14 {
15 k_spinlock_key_t key = k_spin_lock(&heap_listener_lock);
16
17 sys_slist_append(&heap_listener_list, &listener->node);
18
19 k_spin_unlock(&heap_listener_lock, key);
20 }
21
heap_listener_unregister(struct heap_listener * listener)22 void heap_listener_unregister(struct heap_listener *listener)
23 {
24 k_spinlock_key_t key = k_spin_lock(&heap_listener_lock);
25
26 sys_slist_find_and_remove(&heap_listener_list, &listener->node);
27
28 k_spin_unlock(&heap_listener_lock, key);
29 }
30
heap_listener_notify_alloc(uintptr_t heap_id,void * mem,size_t bytes)31 void heap_listener_notify_alloc(uintptr_t heap_id, void *mem, size_t bytes)
32 {
33 struct heap_listener *listener;
34 k_spinlock_key_t key = k_spin_lock(&heap_listener_lock);
35
36 SYS_SLIST_FOR_EACH_CONTAINER(&heap_listener_list, listener, node) {
37 if (listener->heap_id == heap_id
38 && listener->alloc_cb != NULL
39 && listener->event == HEAP_ALLOC) {
40 listener->alloc_cb(heap_id, mem, bytes);
41 }
42 }
43
44 k_spin_unlock(&heap_listener_lock, key);
45 }
46
heap_listener_notify_free(uintptr_t heap_id,void * mem,size_t bytes)47 void heap_listener_notify_free(uintptr_t heap_id, void *mem, size_t bytes)
48 {
49 struct heap_listener *listener;
50 k_spinlock_key_t key = k_spin_lock(&heap_listener_lock);
51
52 SYS_SLIST_FOR_EACH_CONTAINER(&heap_listener_list, listener, node) {
53 if (listener->heap_id == heap_id
54 && listener->free_cb != NULL
55 && listener->event == HEAP_FREE) {
56 listener->free_cb(heap_id, mem, bytes);
57 }
58 }
59
60 k_spin_unlock(&heap_listener_lock, key);
61 }
62
heap_listener_notify_resize(uintptr_t heap_id,void * old_heap_end,void * new_heap_end)63 void heap_listener_notify_resize(uintptr_t heap_id, void *old_heap_end, void *new_heap_end)
64 {
65 struct heap_listener *listener;
66 k_spinlock_key_t key = k_spin_lock(&heap_listener_lock);
67
68 SYS_SLIST_FOR_EACH_CONTAINER(&heap_listener_list, listener, node) {
69 if (listener->heap_id == heap_id
70 && listener->resize_cb != NULL
71 && listener->event == HEAP_RESIZE) {
72 listener->resize_cb(heap_id, old_heap_end, new_heap_end);
73 }
74 }
75
76 k_spin_unlock(&heap_listener_lock, key);
77 }
78
