errno.h

Go to the documentation of this file.

/*
 * 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