osfmk/kern/ipc_mig.c

116 	ipc_kmsg_t kmsg;
119 	mr = ipc_kmsg_get_from_kernel(msg, send_size, &kmsg);
123 	mr = ipc_kmsg_copyin_from_kernel_legacy(kmsg);
125 		ipc_kmsg_free(kmsg);
129 	mr = ipc_kmsg_send_always(kmsg);
131 		ipc_kmsg_destroy(kmsg);
144 	ipc_kmsg_t kmsg;
147 	mr = ipc_kmsg_get_from_kernel(msg, send_size, &kmsg);
151 	mr = ipc_kmsg_copyin_from_kernel(kmsg);
153 		ipc_kmsg_free(kmsg);
157 	mr = ipc_kmsg_send_always(kmsg);
159 		ipc_kmsg_destroy(kmsg);
174 	ipc_kmsg_t kmsg;
177 	mr = ipc_kmsg_get_from_kernel(msg, send_size, &kmsg);
181 	mr = ipc_kmsg_copyin_from_kernel_legacy(kmsg);
183 		ipc_kmsg_free(kmsg);
187 	mr = ipc_kmsg_send(kmsg, option, timeout_val);
189 		ipc_kmsg_destroy(kmsg);
256 	ipc_kmsg_t kmsg;
262 	mr = ipc_kmsg_get_from_kernel(msg, send_size, &kmsg);
276 	kmsg->ikm_header->msgh_local_port = reply;
277 	kmsg->ikm_header->msgh_bits |=
284         mr = ipc_kmsg_copyin_from_kernel_legacy(kmsg);
286         mr = ipc_kmsg_copyin_from_kernel(kmsg);
288     mr = ipc_kmsg_copyin_from_kernel(kmsg);
291 	    ipc_kmsg_free(kmsg);
294 	mr = ipc_kmsg_send_always(kmsg);
296 		ipc_kmsg_destroy(kmsg);
328 		kmsg = self->ith_kmsg;
350 	if (rcv_size >= kmsg->ikm_header->msgh_size) {
352 			((vm_offset_t)kmsg->ikm_header + kmsg->ikm_header->msgh_size);
354 		if (rcv_size >= kmsg->ikm_header->msgh_size + MAX_TRAILER_SIZE) {
358 		else if (rcv_size < kmsg->ikm_header->msgh_size +
364 		rcv_size = kmsg->ikm_header->msgh_size + trailer->msgh_trailer_size;
378         ipc_kmsg_copyout_to_kernel_legacy(kmsg, ipc_space_reply);
380         ipc_kmsg_copyout_to_kernel(kmsg, ipc_space_reply);
382     ipc_kmsg_copyout_to_kernel(kmsg, ipc_space_reply);
384 	ipc_kmsg_put_to_kernel(msg, kmsg, rcv_size);
419 	ipc_kmsg_t kmsg;
435 		kmsg = ipc_kmsg_alloc(msg_and_trailer_size);
437 		if (kmsg == IKM_NULL)
440 		(void) memcpy((void *) kmsg->ikm_header, (const void *) msg, send_size);
442 		kmsg->ikm_header->msgh_size = send_size;
450 		max_trailer = (mach_msg_max_trailer_t *) ((vm_offset_t)kmsg->ikm_header + send_size);
456 		mr = ipc_kmsg_copyin(kmsg, space, map, FALSE);
458 			ipc_kmsg_free(kmsg);
463 			mr = ipc_kmsg_send(kmsg, MACH_MSG_OPTION_NONE,
489 			kmsg = self->ith_kmsg;
499 		trailer_size = ipc_kmsg_add_trailer(kmsg, space, option, current_thread(), seqno, TRUE,
500 				kmsg->ikm_header->msgh_remote_port->ip_context);
502 		if (rcv_size < (kmsg->ikm_header->msgh_size + trailer_size)) {
503 			ipc_kmsg_copyout_dest(kmsg, space);
504 			(void) memcpy((void *) msg, (const void *) kmsg->ikm_header, sizeof *msg);
505 			ipc_kmsg_free(kmsg);
509 		mr = ipc_kmsg_copyout(kmsg, space, map, MACH_MSG_BODY_NULL);
512 				ipc_kmsg_put_to_kernel(msg, kmsg,
513 						kmsg->ikm_header->msgh_size + trailer_size);
515 				ipc_kmsg_copyout_dest(kmsg, space);
516 				(void) memcpy((void *) msg, (const void *) kmsg->ikm_header, sizeof *msg);
517 				ipc_kmsg_free(kmsg);
523 		(void) memcpy((void *) msg, (const void *) kmsg->ikm_header,
524 			      kmsg->ikm_header->msgh_size + trailer_size);
525 		ipc_kmsg_free(kmsg);