diff options
Diffstat (limited to 'core/upb_atomic.h')
| -rw-r--r-- | core/upb_atomic.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/core/upb_atomic.h b/core/upb_atomic.h index 01fc8a2..1cd848b 100644 --- a/core/upb_atomic.h +++ b/core/upb_atomic.h @@ -127,6 +127,10 @@ INLINE bool upb_atomic_unref(upb_atomic_refcount_t *a) { Implement them or compile with UPB_THREAD_UNSAFE. #endif +INLINE bool upb_atomic_only(upb_atomic_refcount_t *a) { + return upb_atomic_read(a) == 1; +} + /* Reader/Writer lock. ********************************************************/ #ifdef UPB_THREAD_UNSAFE |