1 /* $NetBSD: errno.h,v 1.5 2021/12/19 10:59:27 riastradh Exp $ */ 2 3 /*- 4 * Copyright (c) 2013 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Taylor R. Campbell. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Notes on porting: 34 * 35 * - Linux consistently passes around negative errno values. NetBSD 36 * consistently passes around positive ones, except the special magic 37 * in-kernel ones (EJUSTRETURN, ERESTART, &c.) which should not be 38 * exposed to userland *or* linux-only code using the negative pointer 39 * means error return pattern. Be careful! If Using ERESTARTSYS from 40 * Linux code, be sure it is remapped back to ERESTART before NetBSD 41 * code sees it. 42 */ 43 44 #ifndef _LINUX_ERRNO_H_ 45 #define _LINUX_ERRNO_H_ 46 47 #include <sys/errno.h> 48 49 #define ERESTARTSYS (ELAST+1) /* XXX */ 50 #define ENOTSUPP ENOTSUP /* XXX ??? */ 51 #define EREMOTEIO EIO /* XXX Urk... */ 52 #define ECHRNG ERANGE /* XXX ??? */ 53 #define EHWPOISON EIO 54 55 #endif /* _LINUX_ERRNO_H_ */ 56