diff options
Diffstat (limited to 'lib/atomlist.h')
| -rw-r--r-- | lib/atomlist.h | 34 |
1 files changed, 23 insertions, 11 deletions
diff --git a/lib/atomlist.h b/lib/atomlist.h index 621db6824f..5ca19cbcd4 100644 --- a/lib/atomlist.h +++ b/lib/atomlist.h @@ -20,6 +20,10 @@ #include "typesafe.h" #include "frratomic.h" +#ifdef __cplusplus +extern "C" { +#endif + /* pointer with lock/deleted/invalid bit in lowest bit * * for atomlist/atomsort, "locked" means "this pointer can't be updated, the @@ -34,7 +38,11 @@ * ATOMPTR_USER is currently unused (and available for atomic hash or skiplist * implementations.) */ -typedef uintptr_t atomptr_t; + +/* atomic_atomptr_t may look a bit odd, it's for the sake of C++ compat */ +typedef uintptr_t atomptr_t; +typedef atomic_uintptr_t atomic_atomptr_t; + #define ATOMPTR_MASK (UINTPTR_MAX - 3) #define ATOMPTR_LOCK (1) #define ATOMPTR_USER (2) @@ -104,13 +112,13 @@ static inline bool atomptr_u(atomptr_t val) /* don't use these structs directly */ struct atomlist_item { - _Atomic atomptr_t next; + atomic_uintptr_t next; }; #define atomlist_itemp(val) ((struct atomlist_item *)atomptr_p(val)) struct atomlist_head { - _Atomic atomptr_t first, last; - _Atomic size_t count; + atomic_uintptr_t first, last; + atomic_size_t count; }; /* use as: @@ -133,7 +141,7 @@ macro_inline void prefix ## _add_head(struct prefix##_head *h, type *item) \ macro_inline void prefix ## _add_tail(struct prefix##_head *h, type *item) \ { atomlist_add_tail(&h->ah, &item->field.ai); } \ macro_inline void prefix ## _del_hint(struct prefix##_head *h, type *item, \ - _Atomic atomptr_t *hint) \ + atomic_atomptr_t *hint) \ { atomlist_del_hint(&h->ah, &item->field.ai, hint); } \ macro_inline type *prefix ## _del(struct prefix##_head *h, type *item) \ { atomlist_del_hint(&h->ah, &item->field.ai, NULL); \ @@ -189,7 +197,7 @@ void atomlist_add_tail(struct atomlist_head *h, struct atomlist_item *item); * reads starting later. */ void atomlist_del_hint(struct atomlist_head *h, struct atomlist_item *item, - _Atomic atomptr_t *hint); + atomic_atomptr_t *hint); /* pop: * @@ -202,13 +210,13 @@ struct atomlist_item *atomlist_pop(struct atomlist_head *h); struct atomsort_item { - _Atomic atomptr_t next; + atomic_atomptr_t next; }; #define atomsort_itemp(val) ((struct atomsort_item *)atomptr_p(val)) struct atomsort_head { - _Atomic atomptr_t first; - _Atomic size_t count; + atomic_atomptr_t first; + atomic_size_t count; }; #define _PREDECL_ATOMSORT(prefix) \ @@ -271,7 +279,7 @@ macro_inline type *prefix ## _find_lt(struct prefix##_head *h, \ return prev; \ } \ macro_inline void prefix ## _del_hint(struct prefix##_head *h, type *item, \ - _Atomic atomptr_t *hint) \ + atomic_atomptr_t *hint) \ { \ atomsort_del_hint(&h->ah, &item->field.ai, hint); \ } \ @@ -353,8 +361,12 @@ struct atomsort_item *atomsort_add(struct atomsort_head *h, const struct atomsort_item *)); void atomsort_del_hint(struct atomsort_head *h, - struct atomsort_item *item, _Atomic atomptr_t *hint); + struct atomsort_item *item, atomic_atomptr_t *hint); struct atomsort_item *atomsort_pop(struct atomsort_head *h); +#ifdef __cplusplus +} +#endif + #endif /* _FRR_ATOMLIST_H */ |