+typedef __s64 s64;
+
+#define LTTNG_RUNDIR "/var/run/lttng"
+
+/* Default channel attributes */
+#define DEFAULT_CHANNEL_NAME "channel0"
+#define DEFAULT_CHANNEL_OVERWRITE 0 /* usec */
+/* DEFAULT_CHANNEL_SUBBUF_SIZE must always be a power of 2 */
+#define DEFAULT_CHANNEL_SUBBUF_SIZE 4096 /* bytes */
+/* DEFAULT_CHANNEL_SUBBUF_NUM must always be a power of 2 */
+#define DEFAULT_CHANNEL_SUBBUF_NUM 8
+#define DEFAULT_CHANNEL_SWITCH_TIMER 0 /* usec */
+#define DEFAULT_CHANNEL_READ_TIMER 200 /* usec */
+/* See lttng-kernel.h enum lttng_kernel_output for channel output */
+#define DEFAULT_KERNEL_CHANNEL_OUTPUT LTTNG_EVENT_SPLICE
+
+/* == NOT IMPLEMENTED ==
+#define DEFAULT_UST_CHANNEL_OUTPUT LTTNG_UST_MMAP
+*/
+
+/*
+ * lttng user-space instrumentation type
+ */
+enum lttng_ust_instrumentation {
+ LTTNG_UST_TRACEPOINT,
+ LTTNG_UST_MARKER,
+};
+