/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * dspNewCID.c * * From v01.04 04/20/90 mbs * Modified, April 9, 1997 by Tuyen Nguyen for MacOSX. */ #include <sys/errno.h> #include <sys/types.h> #include <sys/param.h> #include <machine/spl.h> #include <sys/systm.h> #include <sys/kernel.h> #include <sys/proc.h> #include <sys/filedesc.h> #include <sys/fcntl.h> #include <sys/mbuf.h> #include <sys/socket.h> #include <netat/sysglue.h> #include <netat/appletalk.h> #include <netat/at_pcb.h> #include <netat/debug.h> #include <netat/adsp.h> #include <netat/adsp_internal.h> /* * dspNewCID * * INPUTS: * --> ccbRefNum refnum of connection end * * OUTPUTS: * <-- newCID new connection identifier * * ERRORS: * errRefNum bad connection refnum * errState connection is not closed */ int adspNewCID(sp, pb) /* (DSPPBPtr pb) */ CCBPtr sp; struct adspcmd *pb; { if (sp == 0) { pb->ioResult = errRefNum; return EINVAL; } if (sp->state != sClosed) { /* Can only assign to a closed connection */ pb->ioResult = errState; return EINVAL; } /* * Assign a unique connection ID to this ccb */ sp->locCID = pb->u.newCIDParams.newcid = NextCID(); pb->ioResult = 0; adspioc_ack(0, pb->ioc, pb->gref); return 0; }