#include <lttng/ust-events.h>
+#include <ust-helper.h>
#include "ust-context-provider.h"
struct lttng_ust_abi_obj;
+struct lttng_event_notifier_group;
union lttng_ust_abi_args {
struct {
struct lttng_ust_event_common_private {
struct lttng_ust_event_common *pub; /* Public event interface */
- const struct lttng_ust_event_desc *desc;
+ struct lttng_ust_event_desc *desc;
/* Backward references: list of lttng_enabler_ref (ref to enablers) */
struct cds_list_head enablers_ref_head;
int registered; /* has reg'd tracepoint probe */
};
struct lttng_ust_session_private {
- struct lttng_session *pub; /* Public session interface */
+ struct lttng_ust_session *pub; /* Public session interface */
int been_active; /* Been active ? */
int objd; /* Object associated */
};
struct lttng_enum {
- const struct lttng_ust_enum_desc *desc;
- struct lttng_session *session;
+ struct lttng_ust_enum_desc *desc;
+ struct lttng_ust_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 lttng_ust_channel_ops_private {
+ struct lttng_ust_channel_ops *pub; /* Public channels ops interface */
+
+ struct lttng_channel *(*channel_create)(const char *name,
+ void *buf_addr,
+ size_t subbuf_size, size_t num_subbuf,
+ unsigned int switch_timer_interval,
+ unsigned int read_timer_interval,
+ unsigned char *uuid,
+ uint32_t chan_id,
+ const int *stream_fds, int nr_stream_fds,
+ int64_t blocking_timeout);
+ void (*channel_destroy)(struct lttng_channel *chan);
+ /*
+ * packet_avail_size returns the available size in the current
+ * packet. Note that the size returned is only a hint, since it
+ * may change due to concurrent writes.
+ */
+ size_t (*packet_avail_size)(struct lttng_ust_lib_ring_buffer_channel *chan,
+ struct lttng_ust_shm_handle *handle);
+ int (*is_finalized)(struct lttng_ust_lib_ring_buffer_channel *chan);
+ int (*is_disabled)(struct lttng_ust_lib_ring_buffer_channel *chan);
+ int (*flush_buffer)(struct lttng_ust_lib_ring_buffer_channel *chan,
+ struct lttng_ust_shm_handle *handle);
+};
+
+static inline
+struct lttng_ust_type_integer *lttng_ust_get_type_integer(struct lttng_ust_type_common *type)
+{
+ if (type->type != lttng_ust_type_integer)
+ return NULL;
+ return caa_container_of(type, struct lttng_ust_type_integer, parent);
+}
+
+static inline
+struct lttng_ust_type_float *lttng_ust_get_type_float(struct lttng_ust_type_common *type)
+{
+ if (type->type != lttng_ust_type_float)
+ return NULL;
+ return caa_container_of(type, struct lttng_ust_type_float, parent);
+}
+
+static inline
+struct lttng_ust_type_string *lttng_ust_get_type_string(struct lttng_ust_type_common *type)
+{
+ if (type->type != lttng_ust_type_string)
+ return NULL;
+ return caa_container_of(type, struct lttng_ust_type_string, parent);
+}
+
+static inline
+struct lttng_ust_type_enum *lttng_ust_get_type_enum(struct lttng_ust_type_common *type)
+{
+ if (type->type != lttng_ust_type_enum)
+ return NULL;
+ return caa_container_of(type, struct lttng_ust_type_enum, parent);
+}
+
+static inline
+struct lttng_ust_type_array *lttng_ust_get_type_array(struct lttng_ust_type_common *type)
+{
+ if (type->type != lttng_ust_type_array)
+ return NULL;
+ return caa_container_of(type, struct lttng_ust_type_array, parent);
+}
+
+static inline
+struct lttng_ust_type_sequence *lttng_ust_get_type_sequence(struct lttng_ust_type_common *type)
+{
+ if (type->type != lttng_ust_type_sequence)
+ return NULL;
+ return caa_container_of(type, struct lttng_ust_type_sequence, parent);
+}
+
+static inline
+struct lttng_ust_type_struct *lttng_ust_get_type_struct(struct lttng_ust_type_common *type)
+{
+ if (type->type != lttng_ust_type_struct)
+ return NULL;
+ return caa_container_of(type, struct lttng_ust_type_struct, parent);
+}
+
+/* Create dynamically allocated types. */
+static inline
+struct lttng_ust_type_common *lttng_ust_create_type_integer(unsigned int size,
+ unsigned short alignment, bool signedness, unsigned int byte_order,
+ unsigned int base)
+{
+ struct lttng_ust_type_integer *integer_type;
+
+ integer_type = zmalloc(sizeof(struct lttng_ust_type_integer));
+ if (!integer_type)
+ return NULL;
+ integer_type->parent.type = lttng_ust_type_integer;
+ integer_type->struct_size = sizeof(struct lttng_ust_type_integer);
+ integer_type->size = size;
+ integer_type->alignment = alignment;
+ integer_type->signedness = signedness;
+ integer_type->reverse_byte_order = byte_order != BYTE_ORDER;
+ integer_type->base = base;
+ return (struct lttng_ust_type_common *) integer_type;
+}
+
+static inline
+struct lttng_ust_type_common *lttng_ust_create_type_array_text(unsigned int length)
+{
+ struct lttng_ust_type_array *array_type;
+
+ array_type = zmalloc(sizeof(struct lttng_ust_type_array));
+ if (!array_type)
+ return NULL;
+ array_type->parent.type = lttng_ust_type_array;
+ array_type->struct_size = sizeof(struct lttng_ust_type_array);
+ array_type->length = length;
+ array_type->alignment = 0;
+ array_type->encoding = lttng_ust_string_encoding_UTF8;
+ array_type->elem_type = lttng_ust_create_type_integer(sizeof(char) * CHAR_BIT,
+ lttng_alignof(char) * CHAR_BIT, lttng_is_signed_type(char),
+ BYTE_ORDER, 10);
+ if (!array_type->elem_type)
+ goto error_elem;
+ return (struct lttng_ust_type_common *) array_type;
+
+error_elem:
+ free(array_type);
+ return NULL;
+}
+
+/*
+ * Destroy dynamically allocated types, including nested types.
+ * For enumerations, it does not free the enumeration mapping description.
+ */
+static inline
+void lttng_ust_destroy_type(struct lttng_ust_type_common *type)
+{
+ if (!type)
+ return;
+
+ switch (type->type) {
+ case lttng_ust_type_integer:
+ case lttng_ust_type_string:
+ case lttng_ust_type_float:
+ case lttng_ust_type_dynamic:
+ free(type);
+ break;
+ case lttng_ust_type_enum:
+ {
+ struct lttng_ust_type_enum *enum_type = (struct lttng_ust_type_enum *) type;
+
+ lttng_ust_destroy_type(enum_type->container_type);
+ free(enum_type);
+ break;
+ }
+ case lttng_ust_type_array:
+ {
+ struct lttng_ust_type_array *array_type = (struct lttng_ust_type_array *) type;
+
+ lttng_ust_destroy_type(array_type->elem_type);
+ free(array_type);
+ break;
+ }
+ case lttng_ust_type_sequence:
+ {
+ struct lttng_ust_type_sequence *sequence_type = (struct lttng_ust_type_sequence *) type;
+
+ lttng_ust_destroy_type(sequence_type->elem_type);
+ free(sequence_type);
+ break;
+ }
+ case lttng_ust_type_struct:
+ {
+ struct lttng_ust_type_struct *struct_type = (struct lttng_ust_type_struct *) type;
+ unsigned int i;
+
+ for (i = 0; i < struct_type->nr_fields; i++)
+ lttng_ust_destroy_type(struct_type->fields[i]->type);
+ free(struct_type);
+ break;
+ }
+ default:
+ abort();
+ }
+}
+
static inline
struct lttng_enabler *lttng_event_enabler_as_enabler(
struct lttng_event_enabler *event_enabler)
* event_notifier enabler) to ensure each is linked to the provided instance.
*/
__attribute__((visibility("hidden")))
-void lttng_enabler_link_bytecode(const struct lttng_ust_event_desc *event_desc,
+void lttng_enabler_link_bytecode(struct lttng_ust_event_desc *event_desc,
struct lttng_ust_ctx **ctx,
struct cds_list_head *instance_bytecode_runtime_head,
struct cds_list_head *enabler_bytecode_runtime_head);
lttng_ust_field_list_get_iter_next(struct lttng_ust_field_list *list);
__attribute__((visibility("hidden")))
-struct lttng_session *lttng_session_create(void);
+struct lttng_ust_session *lttng_session_create(void);
__attribute__((visibility("hidden")))
-int lttng_session_enable(struct lttng_session *session);
+int lttng_session_enable(struct lttng_ust_session *session);
__attribute__((visibility("hidden")))
-int lttng_session_disable(struct lttng_session *session);
+int lttng_session_disable(struct lttng_ust_session *session);
__attribute__((visibility("hidden")))
-int lttng_session_statedump(struct lttng_session *session);
+int lttng_session_statedump(struct lttng_ust_session *session);
__attribute__((visibility("hidden")))
-void lttng_session_destroy(struct lttng_session *session);
+void lttng_session_destroy(struct lttng_ust_session *session);
/*
* Called with ust lock held.
void lttng_handle_pending_statedump(void *owner);
__attribute__((visibility("hidden")))
-struct lttng_channel *lttng_channel_create(struct lttng_session *session,
+struct lttng_channel *lttng_channel_create(struct lttng_ust_session *session,
const char *transport_name,
void *buf_addr,
size_t subbuf_size, size_t num_subbuf,
struct cds_list_head *lttng_get_probe_list_head(void);
__attribute__((visibility("hidden")))
-struct lttng_enum *lttng_ust_enum_get_from_desc(struct lttng_session *session,
- const struct lttng_ust_enum_desc *enum_desc);
+struct lttng_enum *lttng_ust_enum_get_from_desc(struct lttng_ust_session *session,
+ struct lttng_ust_enum_desc *enum_desc);
__attribute__((visibility("hidden")))
int lttng_abi_create_root_handle(void);
projects / lttng-ust.git / blobdiff