Merge branch 'master' into dev

[lttng-ust.git] / liblttng-ust / ltt-events.c

diff --git a/liblttng-ust/ltt-events.c b/liblttng-ust/ltt-events.c
index 4a0981b630f14bc1691a3f943f86d51f139d37c7..ac2b20f7938dbe8ff036b720d9be8427d6aba241 100644 (file)
--- a/liblttng-ust/ltt-events.c
+++ b/liblttng-ust/ltt-events.c
@@ -277,7 +277,7 @@ 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++;
@@ -455,7 +455,7 @@ 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);
@@ -495,7 +495,7 @@ int ltt_event_create(struct ltt_channel *chan,
        struct ltt_event *event;
        int ret = 0;
 
-       if (chan->used_event_id == -1UL) {
+       if (chan->used_event_id == -1U) {
                ret = -ENOMEM;
                goto full;
        }
@@ -552,7 +552,7 @@ 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++;
@@ -1458,3 +1458,16 @@ 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[LTTNG_UST_UUID_STR_LEN];
+
+       (void) lttng_ust_uuid_generate(uuid);
+}