X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=liblttng-ust%2Fust-core.c;h=80bd42b0bb4e57261fc5b56929cf8e53dbcf674c;hb=9e0e41bf1e9f61e8c30a6e45391596a5ac6c2ceb;hp=404e0b26997bc37ec356355c23d24a4fe3191ce5;hpb=69400ac4a4e6575f749c6326df7c2a2c8ac3bdc5;p=lttng-ust.git

diff --git a/liblttng-ust/ust-core.c b/liblttng-ust/ust-core.c
index 404e0b26..80bd42b0 100644
--- a/liblttng-ust/ust-core.c
+++ b/liblttng-ust/ust-core.c
@@ -19,9 +19,10 @@
  */
 
 #include <lttng/usterr-signal-safe.h>
+#include <lttng/ust-events.h>
 #include <stdlib.h>
 
-volatile enum ust_loglevel ust_loglevel;
+static CDS_LIST_HEAD(ltt_transport_list);
 
 void init_usterr(void)
 {
@@ -35,3 +36,36 @@ void init_usterr(void)
 			ust_loglevel = UST_LOGLEVEL_NORMAL;
 	}
 }
+
+struct ltt_transport *ltt_transport_find(const char *name)
+{
+	struct ltt_transport *transport;
+
+	cds_list_for_each_entry(transport, &ltt_transport_list, node) {
+		if (!strcmp(transport->name, name))
+			return transport;
+	}
+	return NULL;
+}
+
+/**
+ * ltt_transport_register - LTT transport registration
+ * @transport: transport structure
+ *
+ * Registers a transport which can be used as output to extract the data out of
+ * LTTng. Called with ust_lock held.
+ */
+void ltt_transport_register(struct ltt_transport *transport)
+{
+	cds_list_add_tail(&transport->node, &ltt_transport_list);
+}
+
+/**
+ * ltt_transport_unregister - LTT transport unregistration
+ * @transport: transport structure
+ * Called with ust_lock held.
+ */
+void ltt_transport_unregister(struct ltt_transport *transport)
+{
+	cds_list_del(&transport->node);
+}