Fixed macOS deprecated method

Author: christophe-calmejane

examples/src/macOS_networkEventMonitor.mm

@@ -203,10 +203,14 @@ int main(int /* argc */, const char* /* argv */[])
 	auto interfaceMatchIterator = IteratorGuard{};
 	auto interfaceTerminateIterator = IteratorGuard{};
 	auto notificationPort = RefGuard<IONotificationPortRef, IONotificationPortRef, &IONotificationPortDestroy>{};
-	auto masterPort = mach_port_t{ 0 };
-
-	IOMasterPort(mach_task_self(), &masterPort);
-	notificationPort = RefGuard<IONotificationPortRef, IONotificationPortRef, &IONotificationPortDestroy>{ IONotificationPortCreate(masterPort) };
+	auto mainPort = mach_port_t{ 0 };
+
+#if defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 120000
+	IOMainPort(mach_task_self(), &mainPort);
+#else
+	IOMasterPort(mach_task_self(), &mainPort);
+#endif
+	notificationPort = RefGuard<IONotificationPortRef, IONotificationPortRef, &IONotificationPortDestroy>{ IONotificationPortCreate(mainPort) };
 	if (notificationPort)
 	{
 		IONotificationPortSetDispatchQueue(*notificationPort, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0));

src/networkInterfaceHelper_mac.mm

@@ -641,9 +641,13 @@ virtual void onFirstObserverRegistered() noexcept override
 	{
 		// Register for Added/Removed interfaces notification (kernel events)
 		{
-			mach_port_t masterPort = 0;
-			IOMasterPort(mach_task_self(), &masterPort);
-			_notificationPort = RefGuard<IONotificationPortRef, IONotificationPortRef, &IONotificationPortDestroy>{ IONotificationPortCreate(masterPort) };
+			mach_port_t mainPort = 0;
+#if defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 120000
+			IOMainPort(mach_task_self(), &mainPort);
+#else
+			IOMasterPort(mach_task_self(), &mainPort);
+#endif
+			_notificationPort = RefGuard<IONotificationPortRef, IONotificationPortRef, &IONotificationPortDestroy>{ IONotificationPortCreate(mainPort) };
 			if (_notificationPort)
 			{
 				IONotificationPortSetDispatchQueue(*_notificationPort, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0));