Mark defer_rcu() API as experimental.

[urcu.git] / urcu-defer.c

diff --git a/urcu-defer.c b/urcu-defer.c
index dd570713ee8234a82fa80208f612565c5028c112..b7b3c51f2c0eed98562b1a0b8c726c5daf30a3cc 100644 (file)
--- a/urcu-defer.c
+++ b/urcu-defer.c
@@ -244,10 +244,10 @@ void _defer_rcu(void (*fct)(void *p), void *p)
        tail = LOAD_SHARED(defer_queue.tail);
 
        /*
-        * If queue is full, empty it ourself.
+        * If queue is full, or reached threshold. Empty queue ourself.
         * Worse-case: must allow 2 supplementary entries for fct pointer.
         */
-       if (unlikely(head - tail >= DEFER_QUEUE_SIZE - 2)) {
+       if (unlikely(sync || (head - tail >= DEFER_QUEUE_SIZE - 2))) {
                assert(head - tail <= DEFER_QUEUE_SIZE);
                rcu_defer_barrier_thread();
                assert(head - LOAD_SHARED(defer_queue.tail) == 0);