From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Thu, 24 Sep 2009 00:55:52 +0000 (-0400)
Subject: urcu-defer: fix futex wakeup value
X-Git-Tag: v0.1~32
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=refs%2Fheads%2Furcu%2Fbusyloop;p=userspace-rcu.git

urcu-defer: fix futex wakeup value

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

diff --git a/urcu-defer.c b/urcu-defer.c
index f0dec91..ccf3511 100644
--- a/urcu-defer.c
+++ b/urcu-defer.c
@@ -113,7 +113,7 @@ static void wake_up_defer(void)
 {
 	if (unlikely(atomic_read(&defer_thread_futex) == -1)) {
 		atomic_set(&defer_thread_futex, 0);
-		futex(&defer_thread_futex, FUTEX_WAKE, 0,
+		futex(&defer_thread_futex, FUTEX_WAKE, 1,
 		      NULL, NULL, 0);
 	}
 }