X-Git-Url: http://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Fref.h;h=e546da567120e086e5773950ac135d510900b4fc;hp=2b803e5b68e4710606df29f128ff7f1637dc1472;hb=8b4b5a1a5f8587cb995391e4f49d03674ec60c0c;hpb=7ce99d0278e87880d1382cdf791bb84f7b489ea4

diff --git a/urcu/ref.h b/urcu/ref.h
index 2b803e5..e546da5 100644
--- a/urcu/ref.h
+++ b/urcu/ref.h
@@ -34,24 +34,31 @@ static inline void urcu_ref_init(struct urcu_ref *ref)
 	urcu_ref_set(ref, 1);
 }
 
-static inline void urcu_ref_get(struct urcu_ref *ref)
+static inline bool  __attribute__((warn_unused_result))
+		urcu_ref_get_safe(struct urcu_ref *ref)
 {
 	long old, _new, res;
 
 	old = uatomic_read(&ref->refcount);
 	for (;;) {
 		if (old == LONG_MAX) {
-			abort();
+			return false;	/* Failure. */
 		}
 		_new = old + 1;
 		res = uatomic_cmpxchg(&ref->refcount, old, _new);
 		if (res == old) {
-			return;
+			return true;	/* Success. */
 		}
 		old = res;
 	}
 }
 
+static inline void urcu_ref_get(struct urcu_ref *ref)
+{
+	if (!urcu_ref_get_safe(ref))
+		abort();
+}
+
 static inline void urcu_ref_put(struct urcu_ref *ref,
 				void (*release)(struct urcu_ref *))
 {