From: Pierre Habouzit <madcoder@debian.org>
Date: Tue, 15 Sep 2009 18:09:59 +0000 (-0400)
Subject: qsbr rcu: rc_register_thread also make the thread online.
X-Git-Tag: v0.1~97
X-Git-Url: https://git.lttng.org/?p=urcu.git;a=commitdiff_plain;h=332c334642672c5cf5e437f5ab2457ce6cddc21a

qsbr rcu: rc_register_thread also make the thread online.

Else, all its RCU reader critical sections aren't safe until its first
_rcu_quiescent_state() call.

Signed-off-by: Pierre Habouzit <madcoder@debian.org>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
---

diff --git a/urcu-qsbr.c b/urcu-qsbr.c
index 87c83d7..878a550 100644
--- a/urcu-qsbr.c
+++ b/urcu-qsbr.c
@@ -251,6 +251,7 @@ 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();