1 #ifndef BABELTRACE2_TRACE_IR_CLOCK_CLASS_CONST_H
2 #define BABELTRACE2_TRACE_IR_CLOCK_CLASS_CONST_H
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26 #ifndef __BT_IN_BABELTRACE_H
27 # error "Please include <babeltrace2/babeltrace.h> instead."
32 #include <babeltrace2/types.h>
38 extern const char *bt_clock_class_get_name(
39 const bt_clock_class
*clock_class
);
41 extern const char *bt_clock_class_get_description(
42 const bt_clock_class
*clock_class
);
44 extern uint64_t bt_clock_class_get_frequency(
45 const bt_clock_class
*clock_class
);
47 extern uint64_t bt_clock_class_get_precision(
48 const bt_clock_class
*clock_class
);
50 extern void bt_clock_class_get_offset(const bt_clock_class
*clock_class
,
51 int64_t *seconds
, uint64_t *cycles
);
53 extern bt_bool
bt_clock_class_origin_is_unix_epoch(
54 const bt_clock_class
*clock_class
);
56 extern bt_uuid
bt_clock_class_get_uuid(
57 const bt_clock_class
*clock_class
);
59 typedef enum bt_clock_class_cycles_to_ns_from_origin_status
{
60 BT_CLOCK_CLASS_CYCLES_TO_NS_FROM_ORIGIN_STATUS_OVERFLOW
= __BT_FUNC_STATUS_OVERFLOW
,
61 BT_CLOCK_CLASS_CYCLES_TO_NS_FROM_ORIGIN_STATUS_OK
= __BT_FUNC_STATUS_OK
,
62 } bt_clock_class_cycles_to_ns_from_origin_status
;
64 extern bt_clock_class_cycles_to_ns_from_origin_status
65 bt_clock_class_cycles_to_ns_from_origin(
66 const bt_clock_class
*clock_class
,
67 uint64_t cycles
, int64_t *ns_from_origin
);
69 extern void bt_clock_class_get_ref(const bt_clock_class
*clock_class
);
71 extern void bt_clock_class_put_ref(const bt_clock_class
*clock_class
);
73 #define BT_CLOCK_CLASS_PUT_REF_AND_RESET(_var) \
75 bt_clock_class_put_ref(_var); \
79 #define BT_CLOCK_CLASS_MOVE_REF(_var_dst, _var_src) \
81 bt_clock_class_put_ref(_var_dst); \
82 (_var_dst) = (_var_src); \
90 #endif /* BABELTRACE2_TRACE_IR_CLOCK_CLASS_CONST_H */