X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=liblttng-ust%2Fltt-events.c;h=b545b6338a0d4448e43648364fd68b3dcf4ceaaf;hb=e7372d13d01671ae7ca82682c4d12e93153b72d3;hp=b67a15c67b51fef30683b99a0c929dffef06fcfb;hpb=a7859af5c73c3f7cc863702d322d86fc2c4523ab;p=lttng-ust.git

diff --git a/liblttng-ust/ltt-events.c b/liblttng-ust/ltt-events.c
index b67a15c6..b545b633 100644
--- a/liblttng-ust/ltt-events.c
+++ b/liblttng-ust/ltt-events.c
@@ -279,7 +279,7 @@ int pending_probe_fix_events(const struct lttng_event_desc *desc)
 		remove_pending_probe(e);
 		ret |= __tracepoint_probe_register(name,
 				event->desc->probe_callback,
-				event);
+				event, event->desc->signature);
 		if (ret)
 			continue;
 		event->id = chan->free_event_id++;
@@ -453,7 +453,7 @@ struct ltt_channel *ltt_channel_create(struct ltt_session *session,
 	 * headers. Therefore the "chan" information used as input
 	 * should be already accessible.
 	 */
-	chan = transport->ops.channel_create("[lttng]", buf_addr,
+	chan = transport->ops.channel_create(transport_name, buf_addr,
 			subbuf_size, num_subbuf, switch_timer_interval,
 			read_timer_interval, shm_fd, wait_fd,
 			memory_map_size, chan_priv_init);
@@ -550,7 +550,7 @@ int ltt_event_create(struct ltt_channel *chan,
 		if (event->desc) {
 			ret = __tracepoint_probe_register(event_param->name,
 					event->desc->probe_callback,
-					event);
+					event, event->desc->signature);
 			if (ret)
 				goto register_error;
 			event->id = chan->free_event_id++;
@@ -1455,3 +1455,16 @@ int ltt_wildcard_disable(struct session_wildcard *wildcard)
 	wildcard->enabled = 0;
 	return 0;
 }
+
+/*
+ * Take the TLS "fault" in libuuid if dlopen'd, which can take the
+ * dynamic linker mutex, outside of the UST lock, since the UST lock is
+ * taken in constructors, which are called with dynamic linker mutex
+ * held.
+ */
+void lttng_fixup_event_tls(void)
+{
+	unsigned char uuid[37];
+
+	(void) uuid_generate(uuid);
+}