sysexits.h

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+/*
+* Copyright (c) 1987, 1993
+* The Regents of the University of California. All rights reserved.
+*
+* 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.
+*
+* @(#)sysexits.h 8.1 (Berkeley) 6/2/93
+*/
+#ifndef _SYSEXITS_H
+#define _SYSEXITS_H 1
+/*
+* SYSEXITS.H -- Exit status codes for system programs.
+*
+* This include file attempts to categorize possible error
+* exit statuses for system programs, notably delivermail
+* and the Berkeley network.
+*
+* Error numbers begin at EX__BASE to reduce the possibility of
+* clashing with other exit statuses that random programs may
+* already return. The meaning of the codes is approximately
+* as follows:
+*
+* EX_USAGE -- The command was used incorrectly, e.g., with
+* the wrong number of arguments, a bad flag, a bad
+* syntax in a parameter, or whatever.
+* EX_DATAERR -- The input data was incorrect in some way.
+* This should only be used for user's data & not
+* system files.
+* EX_NOINPUT -- An input file (not a system file) did not
+* exist or was not readable. This could also include
+* errors like "No message" to a mailer (if it cared
+* to catch it).
+* EX_NOUSER -- The user specified did not exist. This might
+* be used for mail addresses or remote logins.
+* EX_NOHOST -- The host specified did not exist. This is used
+* in mail addresses or network requests.
+* EX_UNAVAILABLE -- A service is unavailable. This can occur
+* if a support program or file does not exist. This
+* can also be used as a catchall message when something
+* you wanted to do doesn't work, but you don't know
+* why.
+* EX_SOFTWARE -- An internal software error has been detected.
+* This should be limited to non-operating system related
+* errors as possible.
+* EX_OSERR -- An operating system error has been detected.
+* This is intended to be used for such things as "cannot
+* fork", "cannot create pipe", or the like. It includes
+* things like getuid returning a user that does not
+* exist in the passwd file.
+* EX_OSFILE -- Some system file (e.g., /etc/passwd, /etc/utmp,
+* etc.) does not exist, cannot be opened, or has some
+* sort of error (e.g., syntax error).
+* EX_CANTCREAT -- A (user specified) output file cannot be
+* created.
+* EX_IOERR -- An error occurred while doing I/O on some file.
+* EX_TEMPFAIL -- temporary failure, indicating something that
+* is not really an error. In sendmail, this means
+* that a mailer (e.g.) could not create a connection,
+* and the request should be reattempted later.
+* EX_PROTOCOL -- the remote system returned something that
+* was "not possible" during a protocol exchange.
+* EX_NOPERM -- You did not have sufficient permission to
+* perform the operation. This is not intended for
+* file system problems, which should use NOINPUT or
+* CANTCREAT, but rather for higher level permissions.
+*/
+#define EX_OK 0 /* successful termination */
+#define EX__BASE 64 /* base value for error messages */
+#define EX_USAGE 64 /* command line usage error */
+#define EX_DATAERR 65 /* data format error */
+#define EX_NOINPUT 66 /* cannot open input */
+#define EX_NOUSER 67 /* addressee unknown */
+#define EX_NOHOST 68 /* host name unknown */
+#define EX_UNAVAILABLE 69 /* service unavailable */
+#define EX_SOFTWARE 70 /* internal software error */
+#define EX_OSERR 71 /* system error (e.g., can't fork) */
+#define EX_OSFILE 72 /* critical OS file missing */
+#define EX_CANTCREAT 73 /* can't create (user) output file */
+#define EX_IOERR 74 /* input/output error */
+#define EX_TEMPFAIL 75 /* temp failure; user is invited to retry */
+#define EX_PROTOCOL 76 /* remote error in protocol */
+#define EX_NOPERM 77 /* permission denied */
+#define EX_CONFIG 78 /* configuration error */
+#define EX__MAX 78 /* maximum listed value */
+#endif /* sysexits.h */
+