errno.h

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/*
 * Copyright (c) 1982, 1986, 1989, 1993
 *      The Regents of the University of California.  All rights reserved.
 * (c) UNIX System Laboratories, Inc.
 * All or some portions of this file are derived from material licensed
 * to the University of California by American Telephone and Telegraph
 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
 * the permission of UNIX System Laboratories, Inc.
 *
 * 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. 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.
 *
 *      @(#)errno.h     8.5 (Berkeley) 1/21/94
 */

#ifndef _ERRNO_H_

#ifdef __NUT_EMULATION__
//  on an emulation platform, we need to use the native errno as it might 
//  re-define errno (e.g. on red hat enterprise linux 3)
#include <errno_orig.h>

// define _ERRNO_H_ as the native system might use a different style
#define _ERRNO_H_

#else

#define _ERRNO_H_

extern int errno;                       /* global error number */

#define EPERM           1               /* Operation not permitted */
#define ENOENT          2               /* No such file or directory */
#define ESRCH           3               /* No such process */
#define EINTR           4               /* Interrupted system call */
#define EIO             5               /* Input/output error */
#define ENXIO           6               /* Device not configured */
#define E2BIG           7               /* Argument list too long */
#define ENOEXEC         8               /* Exec format error */
#define EBADF           9               /* Bad file descriptor */
#define ECHILD          10              /* No child processes */
#define EDEADLK         11              /* Resource deadlock avoided */
                                        /* 11 was EAGAIN */
#define ENOMEM          12              /* Cannot allocate memory */
#define EACCES          13              /* Permission denied */
#define EFAULT          14              /* Bad address */
#define ENOTBLK         15              /* Block device required */
#define EBUSY           16              /* Device busy */
#define EEXIST          17              /* File exists */
#define EXDEV           18              /* Cross-device link */
#define ENODEV          19              /* Operation not supported by device */
#define ENOTDIR         20              /* Not a directory */
#define EISDIR          21              /* Is a directory */
#define EINVAL          22              /* Invalid argument */
#define ENFILE          23              /* Too many open files in system */
#define EMFILE          24              /* Too many open files */
#define ENOTTY          25              /* Inappropriate ioctl for device */
#define ETXTBSY         26              /* Text file busy */
#define EFBIG           27              /* File too large */
#define ENOSPC          28              /* No space left on device */
#define ESPIPE          29              /* Illegal seek */
#define EROFS           30              /* Read-only file system */
#define EMLINK          31              /* Too many links */
#define EPIPE           32              /* Broken pipe */

/* math software */
#define EDOM            33              /* Numerical argument out of domain */
#define ERANGE          34              /* Result too large */

/* non-blocking and interrupt i/o */
#define EAGAIN          35              /* Resource temporarily unavailable */
#define EWOULDBLOCK     EAGAIN          /* Operation would block */
#define EINPROGRESS     36              /* Operation now in progress */
#define EALREADY        37              /* Operation already in progress */

/* ipc/network software -- argument errors */
#define ENOTSOCK        38              /* Socket operation on non-socket */
#define EDESTADDRREQ    39              /* Destination address required */
#define EMSGSIZE        40              /* Message too long */
#define EPROTOTYPE      41              /* Protocol wrong type for socket */
#define ENOPROTOOPT     42              /* Protocol not available */
#define EPROTONOSUPPORT 43              /* Protocol not supported */
#define ESOCKTNOSUPPORT 44              /* Socket type not supported */
#define EOPNOTSUPP      45              /* Operation not supported */
#define EPFNOSUPPORT    46              /* Protocol family not supported */
#define EAFNOSUPPORT    47              /* Address family not supported by protocol family */
#define EADDRINUSE      48              /* Address already in use */
#define EADDRNOTAVAIL   49              /* Can't assign requested address */

/* ipc/network software -- operational errors */
#define ENETDOWN        50              /* Network is down */
#define ENETUNREACH     51              /* Network is unreachable */
#define ENETRESET       52              /* Network dropped connection on reset */
#define ECONNABORTED    53              /* Software caused connection abort */
#define ECONNRESET      54              /* Connection reset by peer */
#define ENOBUFS         55              /* No buffer space available */
#define EISCONN         56              /* Socket is already connected */
#define ENOTCONN        57              /* Socket is not connected */
#define ESHUTDOWN       58              /* Can't send after socket shutdown */
#define ETOOMANYREFS    59              /* Too many references: can't splice */
#define ETIMEDOUT       60              /* Operation timed out */
#define ECONNREFUSED    61              /* Connection refused */

#define ELOOP           62              /* Too many levels of symbolic links */
#define ENAMETOOLONG    63              /* File name too long */

/* should be rearranged */
#define EHOSTDOWN       64              /* Host is down */
#define EHOSTUNREACH    65              /* No route to host */
#define ENOTEMPTY       66              /* Directory not empty */

#endif

#endif