Unix errno一覧

他サイトで見つけたのですが，現在とちょっと違っているようなので自分で調べてまとめてみました．
とりあえずmanページと，返ってきたエラーコードのみの少ない情報ですが(^^;)
(Fedora9 Kernel:2.6.25)

1	EPERM	Operation not permitted (POSIX.1)
2	ENOENT	No such file or directory (POSIX.1)
3	ESRCH	No such process (POSIX.1)
4	EINTR	Interrupted function call (POSIX.1)
5	EIO	Input/output error (POSIX.1)
6	ENXIO	No such device or address (POSIX.1)
7	E2BIG	Argument list too long (POSIX.1)
8	ENOEXEC	Exec format error (POSIX.1)
9	EBADF	Bad file descriptor (POSIX.1)
10	ECHILD	No child processes (POSIX.1)
11	EAGAIN	Resource temporarily unavailable (may be the same value as EWOULDBLOCK)(POSIX.1)
11	EWOULDBLOCK	Operation would block (may be same value as EAGAIN) (POSIX.1)
12	ENOMEM	Not enough space (POSIX.1)
13	EACCES	Permission denied (POSIX.1)
14	EFAULT	Bad address (POSIX.1)
15	ENOTBLK	Block device required
16	EBUSY	Device or resource busy (POSIX.1)
17	EEXIST	File exists (POSIX.1)
18	EXDEV	Improper link (POSIX.1)
19	ENODEV	No such device (POSIX.1)
20	ENOTDIR	Not a directory (POSIX.1)
21	EISDIR	Is a directory (POSIX.1)
22	EINVAL	Invalid argument (POSIX.1)
23	ENFILE	Too many open files in system (POSIX.1)
24	EMFILE	Too many open files (POSIX.1)
25	ENOTTY	Inappropriate I/O control operation (POSIX.1)
26	ETXTBSY	Text file busy (POSIX.1)
27	EFBIG	File too large (POSIX.1)
28	ENOSPC	No space left on device (POSIX.1)
29	ESPIPE	Invalid seek (POSIX.1)
30	EROFS	Read-only file system (POSIX.1)
31	EMLINK	Too many links (POSIX.1)
32	EPIPE	Broken pipe (POSIX.1)
33	EDOM	Mathematics argument out of domain of function (POSIX.1
34	ERANGE	Result too large (POSIX.1
35	EDEADLK	Resource deadlock avoided (POSIX.1)
35	EDEADLOCK	Synonym for EDEADLK
36	ENAMETOOLONG	Filename too long (POSIX.1)
37	ENOLCK	No locks available (POSIX.1)
38	ENOSYS	Function not implemented (POSIX.1)
39	ENOTEMPTY	Directory not empty (POSIX.1)
40	ELOOP	Too many levels of symbolic links (POSIX.1)
42	ENOMSG	No message of the desired type (POSIX.1)
43	EIDRM	Identifier removed (POSIX.1)
44	ECHRNG	Channel number out of range
45	EL2NSYNC	Level 2 not synchronized
46	EL3HLT	Level 3 halted
47	EL3RST	Level 3 halted
49	EUNATCH	Protocol driver not attached
51	EL2HLT	Level 2 halted
52	EBADE	Invalid exchange
53	EBADR	Invalid request descriptor
54	EXFULL	Exchange full
56	EBADRQC	Invalid request code
57	EBADSLT	Invalid slot
60	ENOSTR	Not a STREAM (POSIX.1 (XSI STREAMS option))
61	ENODATA	No message is available on the STREAM head read queue (POSIX.1)
62	ETIME	Timer expired (POSIX.1 (XSI STREAMS option))(POSIX.1 says STREAM ioctl(2) timeout)
63	ENOSR	No STREAM resources (POSIX.1 (XSI STREAMS option))
64	ENONET	Machine is not on the network
65	ENOPKG	Package not installed
66	EREMOTE	Object is remote
67	ENOLINK	Link has been severed (POSIX.1)
70	ECOMM	Communication error on send
71	EPROTO	Protocol error (POSIX.1)
72	EMULTIHOP	Multihop attempted (POSIX.1)
74	EBADMSG	Bad message (POSIX.1)
75	EOVERFLOW	Value too large to be stored in data type (POSIX.1)
76	ENOTUNIQ	Name not unique on network
77	EBADFD	File descriptor in bad state
78	EREMCHG	Remote address changed
79	ELIBACC	Cannot access a needed shared library
80	ELIBBAD	Accessing a corrupted shared library
81	ELIBSCN	lib section in a.out corrupted
82	ELIBMAX	Attempting to link in too many shared libraries
83	ELIBEXEC	Cannot exec a shared library directly
84	EILSEQ	Illegal byte sequence (POSIX.1
85	ERESTART	Interrupted system call should be restarted
86	ESTRPIPE	Streams pipe error
87	EUSERS	Too many users
88	ENOTSOCK	Not a socket (POSIX.1)
89	EDESTADDRREQ	Destination address required (POSIX.1)
90	EMSGSIZE	Message too long (POSIX.1)
91	EPROTOTYPE	Protocol wrong type for socket (POSIX.1)
92	ENOPROTOOPT	Protocol not available (POSIX.1)
93	EPROTONOSUPPORT	Protocol not supported (POSIX.1)
94	ESOCKTNOSUPPORT	Socket type not supported
95	ENOTSUP	Operation not supported (POSIX.1)
95	EOPNOTSUPP	Operation not supported on socket (POSIX.1)(ENOTSUP and EOPNOTSUPP have the same value on Linux
96	EPFNOSUPPORT	Protocol family not supported
97	EAFNOSUPPORT	Address family not supported (POSIX.1)
98	EADDRINUSE	Address already in use (POSIX.1)
99	EADDRNOTAVAIL	Address not available (POSIX.1)
100	ENETDOWN	Network is down (POSIX.1)
101	ENETUNREACH	Network unreachable (POSIX.1)
102	ENETRESET	Connection aborted by network (POSIX.1)
103	ECONNABORTED	Connection aborted (POSIX.1)
104	ECONNRESET	Connection reset (POSIX.1)
105	ENOBUFS	No buffer space available (POSIX.1 (XSI STREAMS option))
106	EISCONN	Socket is connected (POSIX.1)
107	ENOTCONN	The socket is not connected (POSIX.1)
108	ESHUTDOWN	Cannot send after transport endpoint shutdown
110	ETIMEDOUT	Connection timed out (POSIX.1)
111	ECONNREFUSED	Connection refused (POSIX.1)
112	EHOSTDOWN	Host is down
113	EHOSTUNREACH	Host is unreachable (POSIX.1)
114	EALREADY	Connection already in progress (POSIX.1)
115	EINPROGRESS	Operation in progress (POSIX.1)
116	ESTALE	Stale file handle (POSIX.1)
117	EUCLEAN	Structure needs cleaning
120	EISNAM	Is a named type file
121	EREMOTEIO	Remote I/O error
122	EDQUOT	Disk quota exceeded (POSIX.1)
123	ENOMEDIUM	No medium found
124	EMEDIUMTYPE	Wrong medium type
125	ECANCELED	Operation canceled (POSIX.1)
126	ENOKEY	Required key not available
127	EKEYEXPIRED	Key has expired
128	EKEYREVOKED	Key has been revoked
129	EKEYREJECTED	Key was rejected by service

エラーが起きたときにreturnされる値(-1など)と，errnoって違うんですね．
知らなかったです．

参考ページ：
PC覚え書き | Unix系errno一覧