os_clockid_t Options for how to specify time-specific values in an interval workgroup. Declarationtypedef enum { ... } os_clockid_t; TopicsClock OptionsOS_CLOCK_MACH_ABSOLUTE_TIME See AlsoInterval Tasksos_workgroup_interval_startos_workgroup_interval_updateos_workgroup_interval_finishos_workgroup_interval_tos_workgroup_interval_data_t