X-Git-Url: https://git.lttng.org/?p=urcu.git;a=blobdiff_plain;f=urcu.c;h=4702ba9aea4c1bc55f180b658c28bc56c03dec96;hp=5ffeb79553b6374f0fb1a607b3862ed78dda63e2;hb=6ef5ddc9b4e136e250f3c5f292f847e6849e6200;hpb=64f469e628fe45059f091f2808188fb52fa109c9

diff --git a/urcu.c b/urcu.c
index 5ffeb79..4702ba9 100644
--- a/urcu.c
+++ b/urcu.c
@@ -500,6 +500,8 @@ void rcu_register_thread(void)
 	assert(!(URCU_TLS(rcu_reader).ctr & RCU_GP_CTR_NEST_MASK));
 
 	mutex_lock(&rcu_registry_lock);
+	assert(!URCU_TLS(rcu_reader).registered);
+	URCU_TLS(rcu_reader).registered = 1;
 	rcu_init();	/* In case gcc does not support constructor attribute */
 	cds_list_add(&URCU_TLS(rcu_reader).node, &registry);
 	mutex_unlock(&rcu_registry_lock);
@@ -508,6 +510,8 @@ void rcu_register_thread(void)
 void rcu_unregister_thread(void)
 {
 	mutex_lock(&rcu_registry_lock);
+	assert(URCU_TLS(rcu_reader).registered);
+	URCU_TLS(rcu_reader).registered = 0;
 	cds_list_del(&URCU_TLS(rcu_reader).node);
 	mutex_unlock(&rcu_registry_lock);
 }