X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=include%2Fust%2Flttng-ust-abi.h;h=c967fb11188e432967bf186cd12450c27a7ccb28;hb=c1ef86f0812ff62354175f4c7136930814b8f850;hp=56fa8b9e076767e664e0bb9db76661c182acd907;hpb=11ff9c7d186237bf04d14ca05b2071bc0f12cae3;p=lttng-ust.git

diff --git a/include/ust/lttng-ust-abi.h b/include/ust/lttng-ust-abi.h
index 56fa8b9e..c967fb11 100644
--- a/include/ust/lttng-ust-abi.h
+++ b/include/ust/lttng-ust-abi.h
@@ -41,6 +41,20 @@ struct lttng_ust_channel {
 	unsigned int switch_timer_interval;	/* usecs */
 	unsigned int read_timer_interval;	/* usecs */
 	enum lttng_ust_output output;		/* output mode */
+	/* The following fields are used internally within UST. */
+	int shm_fd;
+	int wait_fd;
+	uint64_t memory_map_size;
+};
+
+/*
+ * This structure is only used internally within UST. It is not per-se
+ * part of the communication between sessiond and UST.
+ */
+struct lttng_ust_stream {
+	int shm_fd;
+	int wait_fd;
+	uint64_t memory_map_size;
 };
 
 struct lttng_ust_event {
@@ -53,6 +67,8 @@ struct lttng_ust_event {
 
 enum lttng_ust_context_type {
 	LTTNG_UST_CONTEXT_VTID			= 0,
+	LTTNG_UST_CONTEXT_VPID			= 1,
+	LTTNG_UST_CONTEXT_PTHREAD_ID		= 2,
 };
 
 struct lttng_ust_context {