Constant libc::THREAD_TIME_CONSTRAINT_POLICY_COUNT

pub const THREAD_TIME_CONSTRAINT_POLICY_COUNT: mach_msg_type_number_t = (::mem::size_of::<thread_time_constraint_policy_data_t>() /
             ::mem::size_of::<integer_t>()) as mach_msg_type_number_t; // 0x0000_0004u32