errno.h revision 1541
1/* 2 * Copyright (c) 1982, 1986, 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)errno.h 8.5 (Berkeley) 1/21/94 39 */ 40 41#ifndef KERNEL 42extern int errno; /* global error number */ 43#endif 44 45#define EPERM 1 /* Operation not permitted */ 46#define ENOENT 2 /* No such file or directory */ 47#define ESRCH 3 /* No such process */ 48#define EINTR 4 /* Interrupted system call */ 49#define EIO 5 /* Input/output error */ 50#define ENXIO 6 /* Device not configured */ 51#define E2BIG 7 /* Argument list too long */ 52#define ENOEXEC 8 /* Exec format error */ 53#define EBADF 9 /* Bad file descriptor */ 54#define ECHILD 10 /* No child processes */ 55#define EDEADLK 11 /* Resource deadlock avoided */ 56 /* 11 was EAGAIN */ 57#define ENOMEM 12 /* Cannot allocate memory */ 58#define EACCES 13 /* Permission denied */ 59#define EFAULT 14 /* Bad address */ 60#ifndef _POSIX_SOURCE 61#define ENOTBLK 15 /* Block device required */ 62#endif 63#define EBUSY 16 /* Device busy */ 64#define EEXIST 17 /* File exists */ 65#define EXDEV 18 /* Cross-device link */ 66#define ENODEV 19 /* Operation not supported by device */ 67#define ENOTDIR 20 /* Not a directory */ 68#define EISDIR 21 /* Is a directory */ 69#define EINVAL 22 /* Invalid argument */ 70#define ENFILE 23 /* Too many open files in system */ 71#define EMFILE 24 /* Too many open files */ 72#define ENOTTY 25 /* Inappropriate ioctl for device */ 73#ifndef _POSIX_SOURCE 74#define ETXTBSY 26 /* Text file busy */ 75#endif 76#define EFBIG 27 /* File too large */ 77#define ENOSPC 28 /* No space left on device */ 78#define ESPIPE 29 /* Illegal seek */ 79#define EROFS 30 /* Read-only file system */ 80#define EMLINK 31 /* Too many links */ 81#define EPIPE 32 /* Broken pipe */ 82 83/* math software */ 84#define EDOM 33 /* Numerical argument out of domain */ 85#define ERANGE 34 /* Result too large */ 86 87/* non-blocking and interrupt i/o */ 88#define EAGAIN 35 /* Resource temporarily unavailable */ 89#ifndef _POSIX_SOURCE 90#define EWOULDBLOCK EAGAIN /* Operation would block */ 91#define EINPROGRESS 36 /* Operation now in progress */ 92#define EALREADY 37 /* Operation already in progress */ 93 94/* ipc/network software -- argument errors */ 95#define ENOTSOCK 38 /* Socket operation on non-socket */ 96#define EDESTADDRREQ 39 /* Destination address required */ 97#define EMSGSIZE 40 /* Message too long */ 98#define EPROTOTYPE 41 /* Protocol wrong type for socket */ 99#define ENOPROTOOPT 42 /* Protocol not available */ 100#define EPROTONOSUPPORT 43 /* Protocol not supported */ 101#define ESOCKTNOSUPPORT 44 /* Socket type not supported */ 102#define EOPNOTSUPP 45 /* Operation not supported */ 103#define EPFNOSUPPORT 46 /* Protocol family not supported */ 104#define EAFNOSUPPORT 47 /* Address family not supported by protocol family */ 105#define EADDRINUSE 48 /* Address already in use */ 106#define EADDRNOTAVAIL 49 /* Can't assign requested address */ 107 108/* ipc/network software -- operational errors */ 109#define ENETDOWN 50 /* Network is down */ 110#define ENETUNREACH 51 /* Network is unreachable */ 111#define ENETRESET 52 /* Network dropped connection on reset */ 112#define ECONNABORTED 53 /* Software caused connection abort */ 113#define ECONNRESET 54 /* Connection reset by peer */ 114#define ENOBUFS 55 /* No buffer space available */ 115#define EISCONN 56 /* Socket is already connected */ 116#define ENOTCONN 57 /* Socket is not connected */ 117#define ESHUTDOWN 58 /* Can't send after socket shutdown */ 118#define ETOOMANYREFS 59 /* Too many references: can't splice */ 119#define ETIMEDOUT 60 /* Operation timed out */ 120#define ECONNREFUSED 61 /* Connection refused */ 121 122#define ELOOP 62 /* Too many levels of symbolic links */ 123#endif /* _POSIX_SOURCE */ 124#define ENAMETOOLONG 63 /* File name too long */ 125 126/* should be rearranged */ 127#ifndef _POSIX_SOURCE 128#define EHOSTDOWN 64 /* Host is down */ 129#define EHOSTUNREACH 65 /* No route to host */ 130#endif /* _POSIX_SOURCE */ 131#define ENOTEMPTY 66 /* Directory not empty */ 132 133/* quotas & mush */ 134#ifndef _POSIX_SOURCE 135#define EPROCLIM 67 /* Too many processes */ 136#define EUSERS 68 /* Too many users */ 137#define EDQUOT 69 /* Disc quota exceeded */ 138 139/* Network File System */ 140#define ESTALE 70 /* Stale NFS file handle */ 141#define EREMOTE 71 /* Too many levels of remote in path */ 142#define EBADRPC 72 /* RPC struct is bad */ 143#define ERPCMISMATCH 73 /* RPC version wrong */ 144#define EPROGUNAVAIL 74 /* RPC prog. not avail */ 145#define EPROGMISMATCH 75 /* Program version wrong */ 146#define EPROCUNAVAIL 76 /* Bad procedure for program */ 147#endif /* _POSIX_SOURCE */ 148 149#define ENOLCK 77 /* No locks available */ 150#define ENOSYS 78 /* Function not implemented */ 151 152#ifndef _POSIX_SOURCE 153#define EFTYPE 79 /* Inappropriate file type or format */ 154#define EAUTH 80 /* Authentication error */ 155#define ENEEDAUTH 81 /* Need authenticator */ 156#define ELAST 81 /* Must be equal largest errno */ 157#endif /* _POSIX_SOURCE */ 158 159#ifdef KERNEL 160/* pseudo-errors returned inside kernel to modify return to process */ 161#define ERESTART -1 /* restart syscall */ 162#define EJUSTRETURN -2 /* don't modify regs, just return */ 163#endif 164