X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=liblttng-ust%2Fust-events-internal.h;h=bed7a85c6cf3a7c85342f6b1e4e95fa9dfd107ce;hb=f0fde1c3984721c0660c7d5a1377db74b6c03a70;hp=e9f14fc480e2139bdfe68b6b8edea742b0e8b696;hpb=9f5ade14faf36df6429d9c6e1d0360854a5669d0;p=lttng-ust.git

diff --git a/liblttng-ust/ust-events-internal.h b/liblttng-ust/ust-events-internal.h
index e9f14fc4..bed7a85c 100644
--- a/liblttng-ust/ust-events-internal.h
+++ b/liblttng-ust/ust-events-internal.h
@@ -342,6 +342,32 @@ struct lttng_ust_channel_ops_private {
 			    struct lttng_ust_shm_handle *handle);
 };
 
+/*
+ * IMPORTANT: this structure is part of the ABI between the consumer
+ * daemon and the UST library within traced applications. Changing it
+ * breaks the UST communication protocol.
+ *
+ * TODO: remove unused fields on next UST communication protocol
+ * breaking update.
+ */
+struct lttng_ust_abi_channel_config {
+	void *unused1;
+	int unused2;
+	void *unused3;
+	void *unused4;
+	int unused5;
+	struct cds_list_head unused6;
+	void *unused7;
+	int unused8;
+	void *unused9;
+
+	/* Channel ID */
+	unsigned int id;
+	enum lttng_ust_abi_chan_type unused10;
+	unsigned char uuid[LTTNG_UST_UUID_LEN]; /* Trace session unique ID */
+	int unused11:1;
+};
+
 static inline
 struct lttng_ust_type_integer *lttng_ust_get_type_integer(struct lttng_ust_type_common *type)
 {