osfmk/kern/ipc_mig.c

213         mach_msg_size_t send_size, mach_msg_size_t rcv_size, boolean_t legacy);
222 	mach_msg_size_t		rcv_size);
228 	mach_msg_size_t		rcv_size)
230     return mach_msg_rpc_from_kernel_body(msg, send_size, rcv_size, TRUE);
239 	mach_msg_size_t		rcv_size)
241     return mach_msg_rpc_from_kernel_body(msg, send_size, rcv_size, FALSE);
248 	mach_msg_size_t		rcv_size,
350 	if (rcv_size >= 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;
384 	ipc_kmsg_put_to_kernel(msg, kmsg, rcv_size);
410 	mach_msg_size_t		rcv_size,
502 		if (rcv_size < (kmsg->ikm_header->msgh_size + trailer_size)) {