struct ltt_channel_ops ops;
};
+/* Type description */
+
+/* Update the astract_types name table in lttng-types.c along with this enum */
+enum abstract_types {
+ atype_integer,
+ atype_enum,
+ atype_array,
+ atype_sequence,
+ atype_string,
+ NR_ABSTRACT_TYPES,
+};
+
+/* Update the string_encodings name table in lttng-types.c along with this enum */
+enum lttng_string_encodings {
+ lttng_encode_UTF8 = 0,
+ lttng_encode_ASCII = 1,
+ NR_STRING_ENCODINGS,
+};
+
+struct lttng_enum_entry {
+ unsigned long long start, end; /* start and end are inclusive */
+ const char *string;
+};
+
+struct lttng_enum {
+ const struct lttng_enum_entry *entries;
+ unsigned int len;
+};
+
+struct lttng_type {
+ enum abstract_types atype;
+ const char *name;
+ union {
+ struct {
+ unsigned int size; /* in bits */
+ unsigned short alignment; /* in bits */
+ unsigned int signedness:1;
+ unsigned int reverse_byte_order:1;
+ } integer;
+ struct {
+ const char *parent_type;
+ const struct lttng_enum def;
+ } enumeration;
+ struct {
+ const char *elem_type;
+ unsigned int length; /* num. elems. */
+ } array;
+ struct {
+ const char *elem_type;
+ const char *length_type;
+ } sequence;
+ struct {
+ enum lttng_string_encodings encoding;
+ } string;
+ } u;
+} __attribute__((packed));
+
+/* Event field description */
+
+struct lttng_event_field {
+ const char *name;
+ const struct lttng_type type;
+};
+
+struct lttng_event_desc {
+ const struct lttng_event_field *fields;
+ const char *name;
+ void *probe_callback;
+ unsigned int nr_fields;
+};
+
struct ltt_session *ltt_session_create(void);
int ltt_session_start(struct ltt_session *session);
int ltt_session_stop(struct ltt_session *session);