osfmk/ipc/ipc_right.c

94 	mach_port_name_t	name,
101  *		Finds an entry in a space, given the name.
113 	mach_port_name_t	name,
127 	if ((entry = ipc_entry_lookup(space, name)) == IE_NULL) {
185  *		Translate (space, object) -> (name, entry).
202 	mach_port_name_t name;
220 		name = port->ip_receiver_name;
221 		assert(name != MACH_PORT_NULL);
223 		entry = ipc_entry_lookup(space, name);
229 		*namep = name;
249  *		Make a dead-name request, returning the previously
257  *		KERN_SUCCESS		Made/canceled dead-name request.
261  *		KERN_INVALID_ARGUMENT	Name denotes dead name, but
263  *		KERN_UREFS_OVERFLOW	Name denotes dead name, but
271 	mach_port_name_t	name,
289 		kr = ipc_right_lookup_write(space, name, &entry);
311 			if (!ipc_right_check(space, port, name, entry)) {
317 						previous = ipc_port_request_cancel(port, name, prev_request);
320 					ipc_entry_modified(space, name, entry);
333 						previous = ipc_port_request_cancel(port, name, prev_request);
336 					ipc_entry_modified(space, name, entry);
339 					ipc_notify_send_possible(notify, name);
348 					previous = ipc_port_request_cancel(port, name, prev_request);
351 				kr = ipc_port_request_alloc(port, name, notify,
355 				kr = ipc_port_request_alloc(port, name, notify,
375 				ipc_entry_modified(space, name, entry);
388 			/* entry may have changed to dead-name by ipc_right_check() */
392 		/* treat send_possible requests as immediate w.r.t. dead-name */
407 			ipc_entry_modified(space, name, entry);
413 			ipc_notify_dead_name(notify, name);
447 	mach_port_name_t		name,
458 	previous = ipc_port_request_cancel(port, name, entry->ie_request);
460 	ipc_entry_modified(space, name, entry);
477 	__unused mach_port_name_t	name,
495  *		Otherwise, entry is converted to a dead name.
505 	mach_port_name_t	name,
541 		ipc_hash_delete(space, (ipc_object_t)port, name, entry);
544 	/* convert entry to dead name */
549 	 * name, and the port went dead, that notification
564 		if (ipc_port_request_type(port, name, entry->ie_request) != 0) {
572 	ipc_entry_modified(space, name, entry);
589 	mach_port_name_t	name,
646 					name, entry);
665 			assert(port->ip_receiver_name == name);
692 			ipc_notify_port_deleted(request, name);
715 	mach_port_name_t	name,
734 		ipc_entry_dealloc(space, name, entry);
745 		ipc_entry_dealloc(space, name, entry);
768 					name, entry);
777 			ipc_entry_dealloc(space, name, entry);
792 			mach_port_guard_exception(name, 0, portguard, kGUARD_EXC_DESTROY);
797 		request = ipc_right_request_cancel_macro(space, port, name, entry);
800 		ipc_entry_dealloc(space, name, entry);
848 			ipc_notify_port_deleted(request, name);
864  *		Releases a send/send-once/dead-name user ref.
878 	mach_port_name_t	name,
900 			ipc_entry_dealloc(space, name, entry);
903 			ipc_entry_modified(space, name, entry);
907 		/* release any port that got converted to dead name below */
921 		if (ipc_right_check(space, port, name, entry)) {
931 		request = ipc_right_request_cancel_macro(space, port, name, entry);
935 		ipc_entry_dealloc(space, name, entry);
942 			ipc_notify_port_deleted(request, name);
957 		if (ipc_right_check(space, port, name, entry)) {
976 							     name, entry);
978 					name, entry);
982 			ipc_entry_dealloc(space, name, entry);
989 			ipc_entry_modified(space, name, entry);
998 			ipc_notify_port_deleted(request, name);
1013 		assert(port->ip_receiver_name == name);
1033 		ipc_entry_modified(space, name, entry);
1067 	mach_port_name_t	name,
1112 		ipc_entry_dealloc(space, name, entry);
1148 		assert(port->ip_receiver_name == name);
1157 			mach_port_guard_exception(name, 0, portguard, kGUARD_EXC_MOD_REFS);
1179 				ipc_entry_modified(space, name, entry);
1182 				    name, entry);
1187 				 *	dead name.  Notice we don't decrement
1200 				ipc_entry_modified(space, name, entry);
1207 							     name, entry);
1209 			ipc_entry_dealloc(space, name, entry);
1223 			ipc_notify_port_deleted(request, name);
1239 		if (ipc_right_check(space, port, name, entry)) {
1257 		request = ipc_right_request_cancel_macro(space, port, name, entry);
1261 		ipc_entry_dealloc(space, name, entry);
1268 			ipc_notify_port_deleted(request, name);
1281 			if (!ipc_right_check(space, port, name, entry)) {
1305 			ipc_entry_dealloc(space, name, entry);
1308 			ipc_entry_modified(space, name, entry);
1332 		if (ipc_right_check(space, port, name, entry)) {
1360 				assert(port->ip_receiver_name == name);
1368 				ipc_entry_modified(space, name, entry);
1374 								     name, entry);
1376 						name, entry);
1382 				ipc_entry_dealloc(space, name, entry);
1387 			ipc_entry_modified(space, name, entry);
1396 			ipc_notify_port_deleted(request, name);
1445 	mach_port_name_t	name,
1480 	assert(port->ip_receiver_name == name);
1488 		mach_port_guard_exception(name, 0, portguard, kGUARD_EXC_DESTROY);
1549 			ipc_entry_modified(space, name, entry);
1552 			    name, entry);
1557 			 *	dead name.  Notice we don't decrement
1570 			ipc_entry_modified(space, name, entry);
1576 						     name, entry);
1578 		ipc_entry_dealloc(space, name, entry);
1597 		ipc_notify_port_deleted(request, name);
1622 	mach_port_name_t	name,
1642 			type |= ipc_port_request_type(port, name, request);
1653 		if (!ipc_right_check(space, port, name, entry)) {
1655 				type |= ipc_port_request_type(port, name, request);
1686 	__unused mach_port_name_t	name,
1838 	mach_port_name_t	name,
1878 		assert(port->ip_receiver_name == name);
1911 		assert(port->ip_receiver_name == name);
1944 		assert(port->ip_receiver_name == name);
1965 					name, entry);
1972 							     name, entry);
1976 		ipc_entry_modified(space, name, entry);
2023 		if (ipc_right_check(space, port, name, entry)) {
2075 		if (ipc_right_check(space, port, name, entry)) {
2105 				assert(port->ip_receiver_name == name);
2116 								     name, entry);
2118 						name, entry);
2128 		ipc_entry_modified(space, name, entry);
2152 		if (ipc_right_check(space, port, name, entry)) {
2181 		request = ipc_right_request_cancel_macro(space, port, name, entry);
2187 		ipc_entry_modified(space, name, entry);
2226 	ipc_entry_modified(space, name, entry);
2246 	mach_port_name_t	name,
2299 		 *	May as well convert the entry to a dead name.
2304 				       name, entry);
2307 	ipc_entry_modified(space, name, entry);
2331 	mach_port_name_t	name,
2362 	if (ipc_right_check(space, port, name, entry)) {
2382 			assert(port->ip_receiver_name == name);
2394 							     name, entry);
2399 					name, entry);
2409 	ipc_entry_modified(space, name, entry);
2448 	mach_port_name_t	name,
2492 		ipc_entry_modified(space, name, entry);
2554 					name, entry);
2558 		ipc_entry_modified(space, name, entry);
2586 		port->ip_receiver_name = name;
2602 					name, entry);
2611 		ipc_entry_modified(space, name, entry);
2640  *		Transfer an entry from one name to another.
2647  *		KERN_SUCCESS		Moved entry to new name.