osfmk/ipc/ipc_kmsg.c

759  *		Pull a kmsg out of a queue.
1476 				 * have to back out the importance
1482 				 * back-out will find the new owner
1526  *		MACH_MSG_SUCCESS	Copied data out of message buffer.
1750 		 *	back out.
2435  *		"Copy-in" port rights and out-of-line memory
2446  *		MACH_SEND_INVALID_MEMORY	Can't grab out-of-line memory.
2520 	    goto out;
2537 		goto out;
2552 		    goto out;
2563 		    goto out;
2579             goto out;
2634             goto out;
2641  out:
2649  *		"Copy-in" port rights and out-of-line memory
2664  *		MACH_SEND_INVALID_MEMORY	Can't grab out-of-line memory.
2725  *		"Copy-in" port rights and out-of-line memory
3045  *		"Copy-out" port rights in the header of a message.
3054  *		MACH_MSG_SUCCESS	Copied out port rights.
3285 	 *	So assume reply was alive when we copied it out.  If dest
3297 	 *	in or out of the space while the copyouts happen, so
3301 	 *	the time reply was copied-out, so when we pretend
3379  *		Copy-out a port right.  Always returns a name,
3528          * overwrite it, otherwise do a virtual copy out.
3678          * Handle the port rights and copy out the names
3679          * for those rights out to user-space.
3754  *		"Copy-out" port rights and out-of-line memory
3838  *		Compute the size of the message as copied out to the given
3894  *		"Copy-out" port rights and out-of-line memory
3899  *		MACH_MSG_SUCCESS	Copied out all rights and memory.
3903  *			The message header was successfully copied out.
4009  *		Copies out the destination port in the message.
4095  *              subsequent copy out, excess scatter descriptors are ignored
4241  *		Copies out the destination and reply ports in the message.