/* End of base ABI. Fields below should be used after checking struct_size. */
};
-struct lttng_enum {
- const struct lttng_ust_enum_desc *desc;
- struct lttng_session *session;
- struct cds_list_head node; /* Enum list in session */
- struct cds_hlist_node hlist; /* Session ht of enums */
- uint64_t id; /* Enumeration ID in sessiond */
-};
-
struct channel;
struct lttng_ust_shm_handle;
* IMPORTANT: this structure is part of the ABI between the probe and
* UST. Fields need to be only added at the end, never reordered, never
* removed.
+ *
+ * The field @struct_size should be used to determine the size of the
+ * structure. It should be queried before using additional fields added
+ * at the end of the structure.
*/
-struct lttng_channel_ops {
+struct lttng_ust_channel_ops {
+ uint32_t struct_size;
+
struct lttng_channel *(*channel_create)(const char *name,
void *buf_addr,
size_t subbuf_size, size_t num_subbuf,
int (*flush_buffer)(struct channel *chan, struct lttng_ust_shm_handle *handle);
void (*event_strcpy)(struct lttng_ust_lib_ring_buffer_ctx *ctx,
const char *src, size_t len);
+
+ /* End of base ABI. Fields below should be used after checking struct_size. */
};
/*
struct lttng_session *session;
int objd; /* Object associated to channel */
struct cds_list_head node; /* Channel list in session */
- const struct lttng_channel_ops *ops;
+ const struct lttng_ust_channel_ops *ops;
int header_type; /* 0: unset, 1: compact, 2: large */
struct lttng_ust_shm_handle *handle; /* shared-memory handle */
int tstate:1; /* Transient enable state */
};
-struct lttng_counter_dimension;
-
-struct lttng_counter_ops {
- struct lib_counter *(*counter_create)(size_t nr_dimensions,
- const struct lttng_counter_dimension *dimensions,
- int64_t global_sum_step,
- int global_counter_fd,
- int nr_counter_cpu_fds,
- const int *counter_cpu_fds,
- bool is_daemon);
- void (*counter_destroy)(struct lib_counter *counter);
- int (*counter_add)(struct lib_counter *counter,
- const size_t *dimension_indexes, int64_t v);
- int (*counter_read)(struct lib_counter *counter,
- const size_t *dimension_indexes, int cpu,
- int64_t *value, bool *overflow, bool *underflow);
- int (*counter_aggregate)(struct lib_counter *counter,
- const size_t *dimension_indexes, int64_t *value,
- bool *overflow, bool *underflow);
- int (*counter_clear)(struct lib_counter *counter, const size_t *dimension_indexes);
-};
-
#define LTTNG_UST_STACK_CTX_PADDING 32
struct lttng_stack_ctx {
struct lttng_ust_event_recorder *event_recorder;