qsbr urcu: make it safe to call rcu_sychronize from a registered thread.

[urcu.git] / urcu-qsbr.c

diff --git a/urcu-qsbr.c b/urcu-qsbr.c
index 14733ab21e1b61d10bf93ecc082967cdf9d717cd..c0f055441930ab8718cd4d4347325bd6671dc2fc 100644 (file)
--- a/urcu-qsbr.c
+++ b/urcu-qsbr.c
@@ -114,6 +114,9 @@ static void wait_for_quiescent_state(void)
 {
        struct reader_registry *index;
 
+        if (rcu_reader_qs_gp & 1)
+            rcu_reader_qs_gp = urcu_gp_ctr + 1;
+
        if (!registry)
                return;
        /*