From: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Date: Wed, 8 Jun 2011 23:31:04 +0000 (-0400)
Subject: Add comment to flag purpose of the ->qlen field
X-Git-Tag: v0.6.0~34
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=739877210827591639f5448815e5f9186f4b31d2;p=urcu.git

Add comment to flag purpose of the ->qlen field

It is write-only, but is needed for debugging purposes.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/urcu-call-rcu-impl.h b/urcu-call-rcu-impl.h
index cfe1cce..9beb58c 100644
--- a/urcu-call-rcu-impl.h
+++ b/urcu-call-rcu-impl.h
@@ -48,7 +48,7 @@ struct call_rcu_data {
 	unsigned long flags;
 	pthread_mutex_t mtx;
 	int futex;
-	unsigned long qlen;
+	unsigned long qlen; /* maintained for debugging. */
 	pthread_t tid;
 	int cpu_affinity;
 	struct cds_list_head list;