diff options
Diffstat (limited to 'nest/route.h')
| -rw-r--r-- | nest/route.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/nest/route.h b/nest/route.h index a01eff1a..b327e42a 100644 --- a/nest/route.h +++ b/nest/route.h @@ -590,7 +590,7 @@ struct rte_src { typedef struct rta { struct rta *next, **pprev; /* Hash chain */ - u32 uc; /* Use count */ + _Atomic u32 uc; /* Use count */ u32 hash_key; /* Hash over important fields */ struct ea_list *eattrs; /* Extended Attribute chain */ struct hostentry *hostentry; /* Hostentry for recursive next-hops */ @@ -862,15 +862,15 @@ static inline size_t rta_size(const rta *a) { return sizeof(rta) + sizeof(u32)*a #define RTA_MAX_SIZE (sizeof(rta) + sizeof(u32)*MPLS_MAX_LABEL_STACK) rta *rta_lookup(rta *); /* Get rta equivalent to this one, uc++ */ static inline int rta_is_cached(rta *r) { return r->cached; } -static inline rta *rta_clone(rta *r) { r->uc++; return r; } +static inline rta *rta_clone(rta *r) { ASSERT_DIE(0 < atomic_fetch_add_explicit(&r->uc, 1, memory_order_acq_rel)); return r; } void rta__free(rta *r); -static inline void rta_free(rta *r) { if (r && !--r->uc) rta__free(r); } +static inline void rta_free(rta *r) { if (r && (1 == atomic_fetch_sub_explicit(&r->uc, 1, memory_order_acq_rel))) rta__free(r); } rta *rta_do_cow(rta *o, linpool *lp); static inline rta * rta_cow(rta *r, linpool *lp) { return rta_is_cached(r) ? rta_do_cow(r, lp) : r; } static inline void rta_uncache(rta *r) { r->cached = 0; r->uc = 0; } -void rta_dump(rta *); +void rta_dump(const rta *); void rta_dump_all(void); -void rta_show(struct cli *, rta *); +void rta_show(struct cli *, const rta *); u32 rt_get_igp_metric(rte *); struct hostentry * rt_get_hostentry(rtable *tab, ip_addr a, ip_addr ll, rtable *dep); |