From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Tue, 15 Sep 2009 18:13:09 +0000 (-0400)
Subject: urcu qsbr: move thread online after add reader
X-Git-Tag: v0.1~96
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=5f373c844a426494807d41d6fd3482649f3dc400;p=userspace-rcu.git

urcu qsbr: move thread online after add reader

For a matter of symmetry with the unregister, make thread online only after it
has been added as reader.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
---

diff --git a/urcu-qsbr.c b/urcu-qsbr.c
index 878a550..0576f41 100644
--- a/urcu-qsbr.c
+++ b/urcu-qsbr.c
@@ -251,10 +251,10 @@ static void rcu_remove_reader(pthread_t id)
 
 void rcu_register_thread(void)
 {
-	_rcu_thread_online();
 	internal_urcu_lock();
 	rcu_add_reader(pthread_self());
 	internal_urcu_unlock();
+	_rcu_thread_online();
 }
 
 void rcu_unregister_thread(void)