/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The 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, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ /* * Copyright (c) 1982, 1986, 1991, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)subr_xxx.c 8.1 (Berkeley) 6/10/93 */ #include <sys/param.h> #include <sys/systm.h> #include <sys/conf.h> #include <sys/proc_internal.h> #include <sys/vnode.h> #include <sys/uio.h> #include <sys/sysproto.h> #include <sys/signalvar.h> /* for psignal() */ #ifdef GPROF #include <sys/gmon.h> #endif /* * Unsupported device function (e.g. writing to read-only device). */ int enodev(void) { return (ENODEV); } /* * Unsupported strategy function. */ void enodev_strat(void) { return; } /* * Unconfigured device function; driver not configured. */ int enxio(void) { return (ENXIO); } /* * Unsupported ioctl function. */ int enoioctl(void) { return (ENOTTY); } /* * Unsupported system function. * This is used for an otherwise-reasonable operation * that is not supported by the current system binary. */ int enosys(void) { return (ENOSYS); } /* * Return error for operation not supported * on a specific object or file type. * * XXX Name of this routine is wrong. */ int eopnotsupp(void) { return (ENOTSUP); } /* * Generic null operation, always returns success. */ int nullop(void) { return (0); } /* * Null routine; placed in insignificant entries * in the bdevsw and cdevsw tables. */ int nulldev(void) { return (0); } /* * Null system calls. Not invalid, just not configured. */ int errsys(void) { return(EINVAL); } void nullsys(void) { } /* * nonexistent system call-- signal process (may want to handle it) * flag error if process won't see signal immediately * Q: should we do that all the time ?? */ /* ARGSUSED */ int nosys(struct proc *p, __unused struct nosys_args *args, __unused int32_t *retval) { psignal(p, SIGSYS); return (ENOSYS); } #ifdef GPROF /* * Stub routine in case it is ever possible to free space. */ void cfreemem(caddr_t cp, int size) { printf("freeing %p, size %d\n", cp, size); } #endif