1 #include <darwintest.h> 2 #include <mach/thread_policy_private.h> 3 #include <mach/mach.h> 4 #include <dispatch/dispatch.h> 5 #include <sys/qos_private.h> 6 7 static qos_class_t thread_qos_to_qos_class(uint32_t thread_qos)8thread_qos_to_qos_class(uint32_t thread_qos) 9 { 10 switch (thread_qos) { 11 case THREAD_QOS_MAINTENANCE: 12 return QOS_CLASS_MAINTENANCE; 13 case THREAD_QOS_BACKGROUND: 14 return QOS_CLASS_BACKGROUND; 15 case THREAD_QOS_UTILITY: 16 return QOS_CLASS_UTILITY; 17 case THREAD_QOS_LEGACY: 18 return QOS_CLASS_DEFAULT; 19 case THREAD_QOS_USER_INITIATED: 20 return QOS_CLASS_USER_INITIATED; 21 case THREAD_QOS_USER_INTERACTIVE: 22 return QOS_CLASS_USER_INTERACTIVE; 23 default: 24 return QOS_CLASS_UNSPECIFIED; 25 } 26 } 27 28 static qos_class_t get_thread_requested_qos(void)29get_thread_requested_qos(void) 30 { 31 mach_msg_type_number_t count = THREAD_REQUESTED_STATE_POLICY_COUNT; 32 struct thread_requested_qos_policy requested_policy; 33 boolean_t get_default = FALSE; 34 mach_port_t thread_port = pthread_mach_thread_np(pthread_self()); 35 36 kern_return_t kr = thread_policy_get(thread_port, THREAD_REQUESTED_STATE_POLICY, 37 (thread_policy_t)&requested_policy, &count, &get_default); 38 T_QUIET; T_ASSERT_MACH_SUCCESS(kr, "thread_policy_get"); 39 40 return thread_qos_to_qos_class(requested_policy.thrq_base_qos); 41 } 42 43 T_DECL(thread_policy_requested_state, "THREAD_REQUESTED_STATE_POLICY", T_META_ASROOT(NO)) 44 { 45 qos_class_t main_thread_qos = get_thread_requested_qos(); 46 T_ASSERT_EQ(main_thread_qos, qos_class_main(), "main thead requested qos matches"); 47 } 48