xref: /freebsd/sys/sys/errno.h (revision 29363fb4)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1982, 1986, 1989, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  * (c) UNIX System Laboratories, Inc.
7  * All or some portions of this file are derived from material licensed
8  * to the University of California by American Telephone and Telegraph
9  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
10  * the permission of UNIX System Laboratories, Inc.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  */
36 
37 #ifndef _SYS_ERRNO_H_
38 #define _SYS_ERRNO_H_
39 
40 #if !defined(_KERNEL) && !defined(_STANDALONE)
41 #include <sys/cdefs.h>
42 __BEGIN_DECLS
43 int *	__error(void);
44 __END_DECLS
45 #define	errno		(* __error())
46 #endif
47 
48 #define	EPERM		1		/* Operation not permitted */
49 #define	ENOENT		2		/* No such file or directory */
50 #define	ESRCH		3		/* No such process */
51 #define	EINTR		4		/* Interrupted system call */
52 #define	EIO		5		/* Input/output error */
53 #define	ENXIO		6		/* Device not configured */
54 #define	E2BIG		7		/* Argument list too long */
55 #define	ENOEXEC		8		/* Exec format error */
56 #define	EBADF		9		/* Bad file descriptor */
57 #define	ECHILD		10		/* No child processes */
58 #define	EDEADLK		11		/* Resource deadlock avoided */
59 					/* 11 was EAGAIN */
60 #define	ENOMEM		12		/* Cannot allocate memory */
61 #define	EACCES		13		/* Permission denied */
62 #define	EFAULT		14		/* Bad address */
63 #ifndef _POSIX_SOURCE
64 #define	ENOTBLK		15		/* Block device required */
65 #endif
66 #define	EBUSY		16		/* Device busy */
67 #define	EEXIST		17		/* File exists */
68 #define	EXDEV		18		/* Cross-device link */
69 #define	ENODEV		19		/* Operation not supported by device */
70 #define	ENOTDIR		20		/* Not a directory */
71 #define	EISDIR		21		/* Is a directory */
72 #define	EINVAL		22		/* Invalid argument */
73 #define	ENFILE		23		/* Too many open files in system */
74 #define	EMFILE		24		/* Too many open files */
75 #define	ENOTTY		25		/* Inappropriate ioctl for device */
76 #ifndef _POSIX_SOURCE
77 #define	ETXTBSY		26		/* Text file busy */
78 #endif
79 #define	EFBIG		27		/* File too large */
80 #define	ENOSPC		28		/* No space left on device */
81 #define	ESPIPE		29		/* Illegal seek */
82 #define	EROFS		30		/* Read-only filesystem */
83 #define	EMLINK		31		/* Too many links */
84 #define	EPIPE		32		/* Broken pipe */
85 
86 /* math software */
87 #define	EDOM		33		/* Numerical argument out of domain */
88 #define	ERANGE		34		/* Result too large */
89 
90 /* non-blocking and interrupt i/o */
91 #define	EAGAIN		35		/* Resource temporarily unavailable */
92 #ifndef _POSIX_SOURCE
93 #define	EWOULDBLOCK	EAGAIN		/* Operation would block */
94 #define	EINPROGRESS	36		/* Operation now in progress */
95 #define	EALREADY	37		/* Operation already in progress */
96 
97 /* ipc/network software -- argument errors */
98 #define	ENOTSOCK	38		/* Socket operation on non-socket */
99 #define	EDESTADDRREQ	39		/* Destination address required */
100 #define	EMSGSIZE	40		/* Message too long */
101 #define	EPROTOTYPE	41		/* Protocol wrong type for socket */
102 #define	ENOPROTOOPT	42		/* Protocol not available */
103 #define	EPROTONOSUPPORT	43		/* Protocol not supported */
104 #define	ESOCKTNOSUPPORT	44		/* Socket type not supported */
105 #define	EOPNOTSUPP	45		/* Operation not supported */
106 #define	ENOTSUP		EOPNOTSUPP	/* Operation not supported */
107 #define	EPFNOSUPPORT	46		/* Protocol family not supported */
108 #define	EAFNOSUPPORT	47		/* Address family not supported by protocol family */
109 #define	EADDRINUSE	48		/* Address already in use */
110 #define	EADDRNOTAVAIL	49		/* Can't assign requested address */
111 
112 /* ipc/network software -- operational errors */
113 #define	ENETDOWN	50		/* Network is down */
114 #define	ENETUNREACH	51		/* Network is unreachable */
115 #define	ENETRESET	52		/* Network dropped connection on reset */
116 #define	ECONNABORTED	53		/* Software caused connection abort */
117 #define	ECONNRESET	54		/* Connection reset by peer */
118 #define	ENOBUFS		55		/* No buffer space available */
119 #define	EISCONN		56		/* Socket is already connected */
120 #define	ENOTCONN	57		/* Socket is not connected */
121 #define	ESHUTDOWN	58		/* Can't send after socket shutdown */
122 #define	ETOOMANYREFS	59		/* Too many references: can't splice */
123 #define	ETIMEDOUT	60		/* Operation timed out */
124 #define	ECONNREFUSED	61		/* Connection refused */
125 
126 #define	ELOOP		62		/* Too many levels of symbolic links */
127 #endif /* _POSIX_SOURCE */
128 #define	ENAMETOOLONG	63		/* File name too long */
129 
130 /* should be rearranged */
131 #ifndef _POSIX_SOURCE
132 #define	EHOSTDOWN	64		/* Host is down */
133 #define	EHOSTUNREACH	65		/* No route to host */
134 #endif /* _POSIX_SOURCE */
135 #define	ENOTEMPTY	66		/* Directory not empty */
136 
137 /* quotas & mush */
138 #ifndef _POSIX_SOURCE
139 #define	EPROCLIM	67		/* Too many processes */
140 #define	EUSERS		68		/* Too many users */
141 #define	EDQUOT		69		/* Disc quota exceeded */
142 
143 /* Network File System */
144 #define	ESTALE		70		/* Stale NFS file handle */
145 #define	EREMOTE		71		/* Too many levels of remote in path */
146 #define	EBADRPC		72		/* RPC struct is bad */
147 #define	ERPCMISMATCH	73		/* RPC version wrong */
148 #define	EPROGUNAVAIL	74		/* RPC prog. not avail */
149 #define	EPROGMISMATCH	75		/* Program version wrong */
150 #define	EPROCUNAVAIL	76		/* Bad procedure for program */
151 #endif /* _POSIX_SOURCE */
152 
153 #define	ENOLCK		77		/* No locks available */
154 #define	ENOSYS		78		/* Function not implemented */
155 
156 #ifndef _POSIX_SOURCE
157 #define	EFTYPE		79		/* Inappropriate file type or format */
158 #define	EAUTH		80		/* Authentication error */
159 #define	ENEEDAUTH	81		/* Need authenticator */
160 #define	EIDRM		82		/* Identifier removed */
161 #define	ENOMSG		83		/* No message of desired type */
162 #define	EOVERFLOW	84		/* Value too large to be stored in data type */
163 #define	ECANCELED	85		/* Operation canceled */
164 #define	EILSEQ		86		/* Illegal byte sequence */
165 #define	ENOATTR		87		/* Attribute not found */
166 
167 #define	EDOOFUS		88		/* Programming error */
168 #endif /* _POSIX_SOURCE */
169 
170 #define	EBADMSG		89		/* Bad message */
171 #define	EMULTIHOP	90		/* Multihop attempted */
172 #define	ENOLINK		91		/* Link has been severed */
173 #define	EPROTO		92		/* Protocol error */
174 
175 #ifndef _POSIX_SOURCE
176 #define	ENOTCAPABLE	93		/* Capabilities insufficient */
177 #define	ECAPMODE	94		/* Not permitted in capability mode */
178 #define	ENOTRECOVERABLE	95		/* State not recoverable */
179 #define	EOWNERDEAD	96		/* Previous owner died */
180 #define	EINTEGRITY	97		/* Integrity check failed */
181 #endif /* _POSIX_SOURCE */
182 
183 #ifndef _POSIX_SOURCE
184 #define	ELAST		97		/* Must be equal largest errno */
185 #endif /* _POSIX_SOURCE */
186 
187 #if defined(_KERNEL) || defined(_WANT_KERNEL_ERRNO) || defined(_STANDALONE)
188 /* pseudo-errors returned inside kernel to modify return to process */
189 #define	ERESTART	(-1)		/* restart syscall */
190 #define	EJUSTRETURN	(-2)		/* don't modify regs, just return */
191 #define	ENOIOCTL	(-3)		/* ioctl not handled by this layer */
192 #define	EDIRIOCTL	(-4)		/* do direct ioctl in GEOM */
193 #define	ERELOOKUP	(-5)		/* retry the directory lookup */
194 #endif
195 
196 #ifndef _KERNEL
197 #if __EXT1_VISIBLE
198 /* ISO/IEC 9899:2011 K.3.2.2 */
199 #ifndef _ERRNO_T_DEFINED
200 #define _ERRNO_T_DEFINED
201 typedef int errno_t;
202 #endif
203 #endif /* __EXT1_VISIBLE */
204 #endif
205 
206 #endif
207