/*
 * Copyright (c) 2000-2012 Apple, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 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
 */

#ifndef	_SYS_ERRNO_H_
#define	_SYS_ERRNO_H_

#include <sys/cdefs.h>

#if !defined(KERNEL) && !defined(KERNEL_PRIVATE)

#if defined(__STDC_WANT_LIB_EXT1__) && __STDC_WANT_LIB_EXT1__ >= 1
#include <sys/_types/_errno_t.h>
#endif

__BEGIN_DECLS
extern int * __error(void);
#define errno (*__error())
__END_DECLS
#endif

/*
 * Error codes
 */

#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 __DARWIN_C_LEVEL >= __DARWIN_C_FULL
#define	ENOTBLK		15		/* Block device required */
#endif
#define	EBUSY		16		/* Device / Resource 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 __DARWIN_C_LEVEL >= __DARWIN_C_FULL
#define	ESOCKTNOSUPPORT	44		/* Socket type not supported */
#endif
#define ENOTSUP		45		/* Operation not supported */
#if !__DARWIN_UNIX03 && !defined(KERNEL)
/*
 * This is the same for binary and source copmpatability, unless compiling
 * the kernel itself, or compiling __DARWIN_UNIX03; if compiling for the
 * kernel, the correct value will be returned.  If compiling non-POSIX
 * source, the kernel return value will be converted by a stub in libc, and
 * if compiling source with __DARWIN_UNIX03, the conversion in libc is not
 * done, and the caller gets the expected (discrete) value.
 */
#define	EOPNOTSUPP	 ENOTSUP	/* Operation not supported on socket */
#endif /* !__DARWIN_UNIX03 && !KERNEL */

#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
#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 __DARWIN_C_LEVEL >= __DARWIN_C_FULL
#define	ESHUTDOWN	58		/* Can't send after socket shutdown */
#define	ETOOMANYREFS	59		/* Too many references: can't splice */
#endif
#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 __DARWIN_C_LEVEL >= __DARWIN_C_FULL
#define	EHOSTDOWN	64		/* Host is down */
#endif
#define	EHOSTUNREACH	65		/* No route to host */
#define	ENOTEMPTY	66		/* Directory not empty */

/* quotas & mush */
#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
#define	EPROCLIM	67		/* Too many processes */
#define	EUSERS		68		/* Too many users */
#endif
#define	EDQUOT		69		/* Disc quota exceeded */

/* Network File System */
#define	ESTALE		70		/* Stale NFS file handle */
#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
#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

#define	ENOLCK		77		/* No locks available */
#define	ENOSYS		78		/* Function not implemented */

#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
#define	EFTYPE		79		/* Inappropriate file type or format */
#define	EAUTH		80		/* Authentication error */
#define	ENEEDAUTH	81		/* Need authenticator */

/* Intelligent device errors */
#define	EPWROFF		82	/* Device power is off */
#define	EDEVERR		83	/* Device error, e.g. paper out */
#endif

#define	EOVERFLOW	84		/* Value too large to be stored in data type */

/* Program loading errors */
#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
#define EBADEXEC	85	/* Bad executable */
#define EBADARCH	86	/* Bad CPU type in executable */
#define ESHLIBVERS	87	/* Shared library version mismatch */
#define EBADMACHO	88	/* Malformed Macho file */
#endif

#define	ECANCELED	89		/* Operation canceled */

#define EIDRM		90		/* Identifier removed */
#define ENOMSG		91		/* No message of desired type */   
#define EILSEQ		92		/* Illegal byte sequence */
#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
#define ENOATTR		93		/* Attribute not found */
#endif

#define EBADMSG		94		/* Bad message */
#define EMULTIHOP	95		/* Reserved */
#define	ENODATA		96		/* No message available on STREAM */
#define ENOLINK		97		/* Reserved */
#define ENOSR		98		/* No STREAM resources */
#define ENOSTR		99		/* Not a STREAM */
#define	EPROTO		100		/* Protocol error */
#define ETIME		101		/* STREAM ioctl timeout */

#if __DARWIN_UNIX03 || defined(KERNEL)
/* This value is only discrete when compiling __DARWIN_UNIX03, or KERNEL */
#define	EOPNOTSUPP	102		/* Operation not supported on socket */
#endif /* __DARWIN_UNIX03 || KERNEL */

#define ENOPOLICY	103		/* No such policy registered */

#if __DARWIN_C_LEVEL >= 200809L
#define ENOTRECOVERABLE 104		/* State not recoverable */
#define EOWNERDEAD      105		/* Previous owner died */
#endif

#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
#define	EQFULL		106		/* Interface output queue is full */
#define	ELAST		106		/* Must be equal largest errno */
#endif

#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 */

#ifdef KERNEL_PRIVATE
#define ERECYCLE    (-5)		/* restart lookup under heavy vnode pressure/recycling */
#endif
#ifdef BSD_KERNEL_PRIVATE
#define EREDRIVEOPEN	(-6)
#define EKEEPLOOKING	(-7)
/* used for cvwait error returns to Libc */
#define ECVCERORR	256
#define ECVPERORR	512
#else /* BSD_KERNEL_PRIVATE */
/* -5, -6 and -7 and -106 are reserved for kernel internal use */
#endif /* BSD_KERNEL_PRIVATE */
#ifdef PRIVATE
#define	EQSUSPENDED	(-EQFULL)	/* Output queue is suspended */
#endif /* PRIVATE */
#endif /* KERNEL */
#endif /* _SYS_ERRNO_H_ */
