iokit/Kernel/IOUserClient.cpp

451         mach_msg_header_t		msgHdr;
482         mach_msg_header_t		msgHdr;
600     pingMsg->msgHdr.msgh_remote_port	= port;
601     pingMsg->msgHdr.msgh_bits 		= MACH_MSGH_BITS(
604     pingMsg->msgHdr.msgh_size 		= msgSize;
605     pingMsg->msgHdr.msgh_id		= kOSNotificationMessageID;
629 		if (_pingMsg->msgHdr.msgh_remote_port) {
630 			iokit_release_port_send(_pingMsg->msgHdr.msgh_remote_port);
673             pingMsg->msgHdr.msgh_local_port = port;
675             pingMsg->msgHdr.msgh_local_port = NULL;
677         kr = mach_msg_send_from_kernel_proper( &pingMsg->msgHdr,
678                                         pingMsg->msgHdr.msgh_size);
743     pingMsg->msgHdr.msgh_remote_port	= port;
744     pingMsg->msgHdr.msgh_bits 		= MACH_MSGH_BITS_COMPLEX
748     pingMsg->msgHdr.msgh_size 		= msgSize;
749     pingMsg->msgHdr.msgh_id		= kOSNotificationMessageID;
775 		if (_pingMsg->msgHdr.msgh_remote_port) {
776 			iokit_release_port_send(_pingMsg->msgHdr.msgh_remote_port);
825     pingMsg->msgHdr.msgh_size = msgSize - pingMsg->notifyHeader.size
833     pingMsg->msgHdr.msgh_local_port = thisPort;
834     kr = mach_msg_send_from_kernel_proper( &pingMsg->msgHdr,
835 				    pingMsg->msgHdr.msgh_size);
1281 	mach_msg_header_t msgHdr;
1310     replyMsg.msgHdr.msgh_bits = MACH_MSGH_BITS(MACH_MSG_TYPE_COPY_SEND /*remote*/,
1312     replyMsg.msgHdr.msgh_remote_port = replyPort;
1313     replyMsg.msgHdr.msgh_local_port  = 0;
1314     replyMsg.msgHdr.msgh_id          = kOSNotificationMessageID;
1317 	replyMsg.msgHdr.msgh_size =
1318 	    sizeof(replyMsg.msgHdr) + sizeof(replyMsg.m.msg64)
1333 	replyMsg.msgHdr.msgh_size =
1334 	    sizeof(replyMsg.msgHdr) + sizeof(replyMsg.m.msg32)
1350      kr = mach_msg_send_from_kernel_proper( &replyMsg.msgHdr,
1351             replyMsg.msgHdr.msgh_size);