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Merge commit '038fcf1c' into thread-next

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It was necessary to update the code to match removal of rta, as well as
existence of cached nested attribute lists.
This commit is contained in:
Maria Matejka
2022-08-03 17:37:16 +02:00
parent 5a96b9b124 038fcf1c8b
commit 70e01358a0
2 changed files with 43 additions and 7 deletions
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9
lib/route.h
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@@ -257,7 +257,7 @@ typedef struct ea_list {
struct ea_storage {
struct ea_storage *next_hash; /* Next in hash chain */
struct ea_storage **pprev_hash; /* Previous in hash chain */
u32 uc; /* Use count */
_Atomic u32 uc; /* Use count */
u32 hash_key; /* List hash */
ea_list l[0]; /* The list itself */
};
@@ -526,12 +526,15 @@ static inline struct ea_storage *ea_get_storage(ea_list *r)
return SKIP_BACK(struct ea_storage, l[0], r);
}
static inline ea_list *ea_clone(ea_list *r) { ea_get_storage(r)->uc++; return r; }
static inline ea_list *ea_clone(ea_list *r) {
ASSERT_DIE(0 < atomic_fetch_add_explicit(&ea_get_storage(r)->uc, 1, memory_order_acq_rel));
return r;
}
void ea__free(struct ea_storage *r);
static inline void ea_free(ea_list *l) {
if (!l) return;
struct ea_storage *r = ea_get_storage(l);
if (!--r->uc) ea__free(r);
if (1 == atomic_fetch_sub_explicit(&r->uc, 1, memory_order_acq_rel)) ea__free(r);
}
void ea_dump(ea_list *);