bt_private_clock_class_set_offset(clock, offset_seconds, offset_cycles);
apply_clock_class_offset(ctx, clock);
g_ptr_array_add(ctx->ctf_tc->clock_classes, bt_object_get_ref(clock));
bt_private_clock_class_set_offset(clock, offset_seconds, offset_cycles);
apply_clock_class_offset(ctx, clock);
g_ptr_array_add(ctx->ctf_tc->clock_classes, bt_object_get_ref(clock));