iokit/Kernel/IOMemoryDescriptor.cpp

424     ipc_port_t sharedMem = (ipc_port_t) originalMD->createNamedEntry();
426     if (!sharedMem)
429     if (sharedMem == originalMD->_memEntry) {
431 	ipc_port_release_send(sharedMem);   // Remove extra send right
436     typePersMDData initData = { originalMD, sharedMem };
449     ipc_port_t sharedMem;
475 	    &actualSize, range0Addr, prot, &sharedMem, (ipc_port_t) _memEntry);
479 	    return sharedMem;
485 	    ipc_port_release_send( sharedMem );
2065     ipc_port_t sharedMem = (ipc_port_t) _memEntry;
2145 	    else if (!sharedMem) {
2169 	    else if (sharedMem) {
2170 		error = memory_object_iopl_request(sharedMem,
2564     ipc_port_t sharedMem = (ipc_port_t) _memEntry;
2590     if( 0 == sharedMem) {
2607                                                 prot, &sharedMem,
2619                 if (sharedMem)
2621                     ipc_port_release_send(sharedMem);
2622                     sharedMem = MACH_PORT_NULL;
2773                             size, VM_PROT_READ | VM_PROT_WRITE, pager, &sharedMem );
2780                     sharedMem = MACH_PORT_NULL;
2783 	    if( pager && sharedMem)
2788         _memEntry = (void *) sharedMem;
2792     if (0 == sharedMem)
2884     ipc_port_t		sharedMem;
2898         if( ref->sharedMem)
2940                                             memEntryCacheMode, NULL, ref->sharedMem );
2949                             ref->sharedMem, ref->sourceOffset,
2990     ref.sharedMem    = entry;
3001     if( ref.sharedMem && (ref.map == kernel_map) && pageable)
3022     ref.sharedMem    = NULL;