From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Mon, 27 Jun 2011 16:07:49 +0000 (-0400)
Subject: Merge LTTng commit 360f38ea4fee91e2403c03cb43841ef6769aaac7
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=4b4de73e56cad17f87de69bd9386389ed69c0a12;p=ust.git

Merge LTTng commit 360f38ea4fee91e2403c03cb43841ef6769aaac7

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/libust/ltt-events.c b/libust/ltt-events.c
index 42d486c..3457699 100644
--- a/libust/ltt-events.c
+++ b/libust/ltt-events.c
@@ -34,8 +34,6 @@ int _ltt_event_metadata_statedump(struct ltt_session *session,
 static
 int _ltt_session_metadata_statedump(struct ltt_session *session);
 
-
-static
 void synchronize_trace(void)
 {
 	synchronize_sched();
@@ -108,12 +106,9 @@ int ltt_session_enable(struct ltt_session *session)
 
 	ACCESS_ONCE(session->active) = 1;
 	ACCESS_ONCE(session->been_active) = 1;
-	synchronize_trace();	/* Wait for in-flight events to complete */
 	ret = _ltt_session_metadata_statedump(session);
-	if (ret) {
+	if (ret)
 		ACCESS_ONCE(session->active) = 0;
-		synchronize_trace();	/* Wait for in-flight events to complete */
-	}
 end:
 	mutex_unlock(&sessions_mutex);
 	return ret;
@@ -129,7 +124,6 @@ int ltt_session_disable(struct ltt_session *session)
 		goto end;
 	}
 	ACCESS_ONCE(session->active) = 0;
-	synchronize_trace();	/* Wait for in-flight events to complete */
 end:
 	mutex_unlock(&sessions_mutex);
 	return ret;
diff --git a/libust/ltt-events.h b/libust/ltt-events.h
index 787868a..9b972ab 100644
--- a/libust/ltt-events.h
+++ b/libust/ltt-events.h
@@ -273,6 +273,7 @@ int ltt_event_disable(struct ltt_event *event);
 void ltt_transport_register(struct ltt_transport *transport);
 void ltt_transport_unregister(struct ltt_transport *transport);
 
+void synchronize_trace(void);
 int ltt_debugfs_abi_init(void);
 void ltt_debugfs_abi_exit(void);