enum lttng_ust_output output; /* output mode */
};
+/*
+ * 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 {
char name[LTTNG_UST_SYM_NAME_LEN]; /* event name */
enum lttng_ust_instrumentation instrumentation;
#define _UST_CMDR(minor, type) (minor)
#define _UST_CMDW(minor, type) (minor)
+/* Handled by object descriptor */
+#define LTTNG_UST_RELEASE _UST_CMD(0x1)
+
+/* Handled by object cmd */
+
/* LTTng-UST commands */
#define LTTNG_UST_SESSION _UST_CMD(0x40)
#define LTTNG_UST_TRACER_VERSION \
_UST_CMDR(0x41, struct lttng_ust_tracer_version)
#define LTTNG_UST_TRACEPOINT_LIST _UST_CMD(0x42)
#define LTTNG_UST_WAIT_QUIESCENT _UST_CMD(0x43)
+#define LTTNG_UST_REGISTER_DONE _UST_CMD(0x44)
-/* Session FD ioctl */
+/* Session FD commands */
#define LTTNG_UST_METADATA \
_UST_CMDW(0x50, struct lttng_ust_channel)
#define LTTNG_UST_CHANNEL \
#define LTTNG_UST_SESSION_START _UST_CMD(0x52)
#define LTTNG_UST_SESSION_STOP _UST_CMD(0x53)
-/* Channel FD ioctl */
+/* Channel FD commands */
#define LTTNG_UST_STREAM _UST_CMD(0x60)
#define LTTNG_UST_EVENT \
_UST_CMDW(0x61, struct lttng_ust_event)
-/* Event and Channel FD ioctl */
+/* Event and Channel FD commands */
#define LTTNG_UST_CONTEXT \
_UST_CMDW(0x70, struct lttng_ust_context)
-/* Event, Channel and Session ioctl */
+/* Event, Channel and Session commands */
#define LTTNG_UST_ENABLE _UST_CMD(0x80)
#define LTTNG_UST_DISABLE _UST_CMD(0x81)
-void lttng_ust_abi_exit(void);
-int lttng_abi_create_session(void);
+#define LTTNG_UST_ROOT_HANDLE 0
+
+struct obj;
+
+struct objd_ops {
+ long (*cmd)(int objd, unsigned int cmd, unsigned long arg);
+ int (*release)(int objd);
+};
+
+/* Create root handle. Always ID 0. */
+int lttng_abi_create_root_handle(void);
+
+const struct objd_ops *objd_ops(int id);
int objd_unref(int id);
+
+void lttng_ust_abi_exit(void);
void ltt_events_exit(void);
#endif /* _LTTNG_UST_ABI_H */