X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=liblttng-ust%2Flttng-events.c;h=3bf1ede3a6a30836d50e35f48fd837da79815c89;hb=6715d7d1c61b3ffdae9d50aa8875c627900a857f;hp=90b2307818e8375bae31054321d2e8207c60e7e6;hpb=74d81a6cca2cd4a7718bba9368f382f9f2fbba84;p=lttng-ust.git

diff --git a/liblttng-ust/lttng-events.c b/liblttng-ust/lttng-events.c
index 90b23078..3bf1ede3 100644
--- a/liblttng-ust/lttng-events.c
+++ b/liblttng-ust/lttng-events.c
@@ -91,6 +91,20 @@ void lttng_session_sync_enablers(struct lttng_session *session);
 static
 void lttng_enabler_destroy(struct lttng_enabler *enabler);
 
+/*
+ * Called with ust lock held.
+ */
+int lttng_session_active(void)
+{
+	struct lttng_session *iter;
+
+	cds_list_for_each_entry(iter, &sessions, node) {
+		if (iter->active)
+			return 1;
+	}
+	return 0;
+}
+
 static
 int lttng_loglevel_match(int loglevel,
 		unsigned int has_loglevel,