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

     /*      $OpenBSD: errno.h,v 1.25 2017/09/05 03:06:26 jsg Exp $  */
     /*      $NetBSD: errno.h,v 1.10 1996/01/20 01:33:53 jtc Exp $   */
     
     /*
      * 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
     */
    
    #include <sys/cdefs.h>
    
    #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 */
    #if __BSD_VISIBLE
    #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 */
    #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 */
    #if __BSD_VISIBLE
    #define ESOCKTNOSUPPORT 44      /* Socket type not supported */
    #endif
    #define EOPNOTSUPP      45      /* Operation not supported */
    #if __BSD_VISIBLE
   #define EPFNOSUPPORT    46      /* Protocol family not supported */
   #endif
   #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 */
   #if __BSD_VISIBLE
   #define ESHUTDOWN       58      /* Can't send after socket shutdown */
   #define ETOOMANYREFS    59      /* Too many references: can't splice */
   #endif /* __BSD_VISIBLE */
   #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 */
   #if __BSD_VISIBLE
   #define EHOSTDOWN       64      /* Host is down */
   #endif /* __BSD_VISIBLE */
   #define EHOSTUNREACH    65      /* No route to host */
   #define ENOTEMPTY       66      /* Directory not empty */
   
   /* quotas & mush */
   #if __BSD_VISIBLE
   #define EPROCLIM        67      /* Too many processes */
   #define EUSERS          68      /* Too many users */
   #endif /* __BSD_VISIBLE */
   #define EDQUOT          69      /* Disk quota exceeded */
   
   /* Network File System */
   #define ESTALE          70      /* Stale NFS file handle */
   #if __BSD_VISIBLE
   #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 program not available */
   #define EPROGMISMATCH   75      /* Program version wrong */
   #define EPROCUNAVAIL    76      /* Bad procedure for program */
   #endif /* __BSD_VISIBLE */
   
   #define ENOLCK          77      /* No locks available */
   #define ENOSYS          78      /* Function not implemented */
   
   #if __BSD_VISIBLE
   #define EFTYPE          79      /* Inappropriate file type or format */
   #define EAUTH           80      /* Authentication error */
   #define ENEEDAUTH       81      /* Need authenticator */
   #define EIPSEC          82      /* IPsec processing failure */
   #define ENOATTR         83      /* Attribute not found */
   #endif /* __BSD_VISIBLE */
   #define EILSEQ          84      /* Illegal byte sequence */
   #if __BSD_VISIBLE
   #define ENOMEDIUM       85      /* No medium found */
   #define EMEDIUMTYPE     86      /* Wrong medium type */
   #endif /* __BSD_VISIBLE */
   #define EOVERFLOW       87      /* Value too large to be stored in data type */
   #define ECANCELED       88      /* Operation canceled */
   #define EIDRM           89      /* Identifier removed */
   #define ENOMSG          90      /* No message of desired type */
   #define ENOTSUP         91      /* Not supported */
   #define EBADMSG         92      /* Bad message */
   #define ENOTRECOVERABLE 93      /* State not recoverable */
   #define EOWNERDEAD      94      /* Previous owner died */
   #define EPROTO          95      /* Protocol error */
   #if __BSD_VISIBLE
   #define ELAST           95      /* Must be equal largest errno */
   #endif /* __BSD_VISIBLE */
   
   #ifdef _KERNEL
   /* pseudo-errors returned inside kernel to modify return to process */
   #define ERESTART        -1      /* restart syscall */
   #define EJUSTRETURN     -2      /* don't modify regs, just return */
   #endif

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