static inline
void set_base_offset(struct bt_clock_class *clock_class)
{
- uint64_t offset_cycles_ns;
-
- /* Initialize nanosecond timestamp to clock's offset in seconds */
- if (clock_class->offset_seconds <= (INT64_MIN / INT64_C(1000000000) - 1) ||
- clock_class->offset_seconds >= (INT64_MAX / INT64_C(1000000000)) - 1) {
- /*
- * Overflow: offset in seconds converted to nanoseconds
- * is outside the int64_t range. We also subtract 1 here
- * to leave "space" for the offset in cycles converted
- * to nanoseconds (which is always less than 1 second by
- * contract).
- */
- clock_class->base_offset.overflows = true;
- goto end;
- }
-
- /* Offset (seconds) to nanoseconds */
- clock_class->base_offset.value_ns = clock_class->offset_seconds *
- INT64_C(1000000000);
-
- /* Add offset in cycles */
- BT_ASSERT(clock_class->offset_cycles < clock_class->frequency);
- offset_cycles_ns = bt_util_ns_from_value(clock_class->frequency,
- clock_class->offset_cycles);
- BT_ASSERT(offset_cycles_ns < 1000000000);
- clock_class->base_offset.value_ns += (int64_t) offset_cycles_ns;
- clock_class->base_offset.overflows = false;
-
-end:
- return;
+ clock_class->base_offset.overflows = bt_util_get_base_offset_ns(
+ clock_class->offset_seconds, clock_class->offset_cycles,
+ clock_class->frequency, &clock_class->base_offset.value_ns);
}
-struct bt_clock_class *bt_clock_class_create(void)
+struct bt_clock_class *bt_clock_class_create(bt_self_component *self_comp)
{
int ret;
struct bt_clock_class *clock_class = NULL;
+ BT_ASSERT_PRE_NON_NULL(self_comp, "Self component");
BT_LOGD_STR("Creating default clock class object");
clock_class = g_new0(struct bt_clock_class, 1);
}
clock_class->frequency = UINT64_C(1000000000);
- clock_class->is_absolute = BT_TRUE;
+ clock_class->origin_is_unix_epoch = BT_TRUE;
set_base_offset(clock_class);
ret = bt_object_pool_initialize(&clock_class->cs_pool,
(bt_object_pool_new_object_func) bt_clock_snapshot_new,
BT_LIB_LOGV("Set clock class's offset: %!+K", clock_class);
}
-bt_bool bt_clock_class_is_absolute(const struct bt_clock_class *clock_class)
+bt_bool bt_clock_class_origin_is_unix_epoch(const struct bt_clock_class *clock_class)
{
BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
- return (bool) clock_class->is_absolute;
+ return (bool) clock_class->origin_is_unix_epoch;
}
-void bt_clock_class_set_is_absolute(struct bt_clock_class *clock_class,
- bt_bool is_absolute)
+void bt_clock_class_set_origin_is_unix_epoch(struct bt_clock_class *clock_class,
+ bt_bool origin_is_unix_epoch)
{
BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
BT_ASSERT_PRE_CLOCK_CLASS_HOT(clock_class);
- clock_class->is_absolute = (bool) is_absolute;
- BT_LIB_LOGV("Set clock class's absolute property: %!+K",
+ clock_class->origin_is_unix_epoch = (bool) origin_is_unix_epoch;
+ BT_LIB_LOGV("Set clock class's origin is Unix epoch property: %!+K",
clock_class);
}
BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
BT_ASSERT_PRE_NON_NULL(ns, "Nanoseconds (output)");
- ret = bt_util_ns_from_origin(clock_class, cycles, ns);
+ ret = bt_util_ns_from_origin_clock_class(clock_class, cycles, ns);
if (ret) {
ret = BT_CLOCK_CLASS_STATUS_OVERFLOW;
BT_LIB_LOGW("Cannot convert cycles to nanoseconds "