FreeBSD/Linux Kernel Cross Reference
sys/sys/errno.h

     /*-
      * 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.
     * 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.
     *
     *      @(#)errno.h     8.5 (Berkeley) 1/21/94
     * $FreeBSD: src/sys/sys/errno.h,v 1.28 2005/04/02 12:33:28 das Exp $
     */
    
    #ifndef _SYS_ERRNO_H_
    #define _SYS_ERRNO_H_
    
    #if !defined(_KERNEL) || defined(_KERNEL_VIRTUAL)
    #include <sys/cdefs.h>
    __BEGIN_DECLS
    extern __thread int     errno;
    __END_DECLS
    
    static __inline int *__error(void)
    {
            return (&errno);
    }
    
    #define errno           (* __error())
    #endif
    
    #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 */
    #ifndef _POSIX_SOURCE
    #define ENOTBLK         15              /* Block device required */
    #endif
    #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 */
    #ifndef _POSIX_SOURCE
    #define ETXTBSY         26              /* Text file busy */
    #endif
    #define EFBIG           27              /* File too large */
    #define ENOSPC          28              /* No space left on device */
    #define ESPIPE          29              /* Illegal seek */
    #define EROFS           30              /* Read-only filesystem */
    #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 */
    #ifndef _POSIX_SOURCE
   #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 ENOTSUP         EOPNOTSUPP      /* 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 */
   #endif /* _POSIX_SOURCE */
   #define ENAMETOOLONG    63              /* File name too long */
   
   /* should be rearranged */
   #ifndef _POSIX_SOURCE
   #define EHOSTDOWN       64              /* Host is down */
   #define EHOSTUNREACH    65              /* No route to host */
   #endif /* _POSIX_SOURCE */
   #define ENOTEMPTY       66              /* Directory not empty */
   
   /* quotas & mush */
   #ifndef _POSIX_SOURCE
   #define EPROCLIM        67              /* Too many processes */
   #define EUSERS          68              /* Too many users */
   #define EDQUOT          69              /* Disc quota exceeded */
   
   /* Network File System */
   #define ESTALE          70              /* Stale NFS file handle */
   #define EREMOTE         71              /* Too many levels of remote in path */
   #define EBADRPC         72              /* RPC struct is bad */
   #define ERPCMISMATCH    73              /* RPC version wrong */
   #define EPROGUNAVAIL    74              /* RPC prog. not avail */
   #define EPROGMISMATCH   75              /* Program version wrong */
   #define EPROCUNAVAIL    76              /* Bad procedure for program */
   #endif /* _POSIX_SOURCE */
   
   #define ENOLCK          77              /* No locks available */
   #define ENOSYS          78              /* Function not implemented */
   
   #ifndef _POSIX_SOURCE
   #define EFTYPE          79              /* Inappropriate file type or format */
   #define EAUTH           80              /* Authentication error */
   #define ENEEDAUTH       81              /* Need authenticator */
   #define EIDRM           82              /* Identifier removed */
   #define ENOMSG          83              /* No message of desired type */
   #define EOVERFLOW       84              /* Value too large to be stored in data type */
   #define ECANCELED       85              /* Operation canceled */
   #define EILSEQ          86              /* Illegal byte sequence */
   #define ENOATTR         87              /* Attribute not found */
   #define EDOOFUS         88              /* Programming error */
   #endif /* _POSIX_SOURCE */
   
   #define EBADMSG         89              /* Bad message */
   #define EMULTIHOP       90              /* Multihop attempted */
   #define ENOLINK         91              /* Link has been severed */
   #define EPROTO          92              /* Protocol error */
   
   #ifndef _POSIX_SOURCE
   #define ENOMEDIUM       93              /* linux */
   #define EUNUSED94       94
   #define EUNUSED95       95
   #define EUNUSED96       96
   #define EUNUSED97       97
   #define EUNUSED98       98
   
   #define EASYNC          99              /* XXX */
   
   #define ELAST           99              /* Must be equal largest errno */
   #endif /* _POSIX_SOURCE */
   
   #if defined(_KERNEL) || defined(_KERNEL_STRUCTURES)
   /* pseudo-errors returned inside kernel to modify return to process */
   #define ERESTART        (-1)            /* restart syscall */
   #define EJUSTRETURN     (-2)            /* don't modify regs, just return */
   #define ENOIOCTL        (-3)            /* ioctl not handled by this layer */
   #define EMOUNTEXIT      (-4)            /* mfs: mountpoint released via vfs_start */
   #endif
   
   #endif

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