########################################
异常处理
########################################

错误对照表
****************************************

.. admonition:: 注

   整理自 http://blog.chinaunix.net/uid-29086746-id-3834930.html

+--------+--------------------------------------------------+-------------------+
| 错误号 | 状态                                             | 宏定义            |
+========+==================================================+===================+
| 0      | Success                                          |                   |
+--------+--------------------------------------------------+-------------------+
| 1      | Operation not permitted                          | EPERM             |
+--------+--------------------------------------------------+-------------------+
| 2      | No such file or directory                        | ENOENT            |
+--------+--------------------------------------------------+-------------------+
| 3      | No such process                                  | ESRCH             |
+--------+--------------------------------------------------+-------------------+
| 4      | Interrupted system call                          | EINTR             |
+--------+--------------------------------------------------+-------------------+
| 5      | Input/output error                               | EIO               |
+--------+--------------------------------------------------+-------------------+
| 6      | No such device or address                        | ENXIO             |
+--------+--------------------------------------------------+-------------------+
| 7      | Argument list too long                           | E2BIG             |
+--------+--------------------------------------------------+-------------------+
| 8      | Exec format error                                | ENOEXEC           |
+--------+--------------------------------------------------+-------------------+
| 9      | Bad file descriptor                              | EBADF             |
+--------+--------------------------------------------------+-------------------+
| 10     | No child processes                               | ECHILD            |
+--------+--------------------------------------------------+-------------------+
| 11     | Resource temporarily unavailable                 | EAGAIN            |
+--------+--------------------------------------------------+-------------------+
| 12     | Cannot allocate memory                           | ENOMEM            |
+--------+--------------------------------------------------+-------------------+
| 13     | Permission denied                                | EACCES            |
+--------+--------------------------------------------------+-------------------+
| 14     | Bad address                                      | EFAULT            |
+--------+--------------------------------------------------+-------------------+
| 15     | Block device required                            | ENOTBLK           |
+--------+--------------------------------------------------+-------------------+
| 16     | Device or resource busy                          | EBUSY             |
+--------+--------------------------------------------------+-------------------+
| 17     | File exists                                      | EEXIST            |
+--------+--------------------------------------------------+-------------------+
| 18     | Invalid cross-device link                        | EXDEV             |
+--------+--------------------------------------------------+-------------------+
| 19     | No such device                                   | ENODEV            |
+--------+--------------------------------------------------+-------------------+
| 20     | Not a directory                                  | ENOTDIR           |
+--------+--------------------------------------------------+-------------------+
| 21     | Is a directory                                   | EISDIR            |
+--------+--------------------------------------------------+-------------------+
| 22     | Invalid argument                                 | EINVAL            |
+--------+--------------------------------------------------+-------------------+
| 23     | Too many open files in system                    | ENFILE            |
+--------+--------------------------------------------------+-------------------+
| 24     | Too many open files                              | EMFILE            |
+--------+--------------------------------------------------+-------------------+
| 25     | Inappropriate ioctl for device                   | ENOTTY            |
+--------+--------------------------------------------------+-------------------+
| 26     | Text file busy                                   | ETXTBSY           |
+--------+--------------------------------------------------+-------------------+
| 27     | File too large                                   | EFBIG             |
+--------+--------------------------------------------------+-------------------+
| 28     | No space left on device                          | ENOSPC            |
+--------+--------------------------------------------------+-------------------+
| 29     | Illegal seek                                     | ESPIPE            |
+--------+--------------------------------------------------+-------------------+
| 30     | Read-only file system                            | EROFS             |
+--------+--------------------------------------------------+-------------------+
| 31     | Too many links                                   | EMLINK            |
+--------+--------------------------------------------------+-------------------+
| 32     | Broken pipe                                      | EPIPE             |
+--------+--------------------------------------------------+-------------------+
| 33     | Numerical argument out of domain                 | EDOM              |
+--------+--------------------------------------------------+-------------------+
| 34     | Numerical result out of range                    | ERANGE            |
+--------+--------------------------------------------------+-------------------+
| 35     | Resource deadlock avoided                        | EDEADLK           |
+--------+--------------------------------------------------+-------------------+
| 36     | File name too long                               | ENAMETOOLONG      |
+--------+--------------------------------------------------+-------------------+
| 37     | No locks available                               | ENOLCK            |
+--------+--------------------------------------------------+-------------------+
| 38     | Function not implemented                         | ENOSYS            |
+--------+--------------------------------------------------+-------------------+
| 39     | Directory not empty                              | ENOTEMPTY         |
+--------+--------------------------------------------------+-------------------+
| 40     | Too many levels of symbolic links                | ELOOP             |
+--------+--------------------------------------------------+-------------------+
| 41     | Unknown error 41                                 | EWOULDBLOCKEAGAIN |
+--------+--------------------------------------------------+-------------------+
| 42     | No message of desired type                       | ENOMSG            |
+--------+--------------------------------------------------+-------------------+
| 43     | Identifier removed                               | EIDRM             |
+--------+--------------------------------------------------+-------------------+
| 44     | Channel number out of range                      | ECHRNG            |
+--------+--------------------------------------------------+-------------------+
| 45     | Level 2 not synchronized                         | EL2NSYNC          |
+--------+--------------------------------------------------+-------------------+
| 46     | Level 3 halted                                   | EL3HLT            |
+--------+--------------------------------------------------+-------------------+
| 47     | Level 3 reset                                    | EL3RST            |
+--------+--------------------------------------------------+-------------------+
| 48     | Link number out of range                         | ELNRNG            |
+--------+--------------------------------------------------+-------------------+
| 49     | Protocol driver not attached                     | EUNATCH           |
+--------+--------------------------------------------------+-------------------+
| 50     | No CSI structure available                       | ENOCSI            |
+--------+--------------------------------------------------+-------------------+
| 51     | Level 2 halted                                   | EL2HLT            |
+--------+--------------------------------------------------+-------------------+
| 52     | Invalid exchange                                 | EBADE             |
+--------+--------------------------------------------------+-------------------+
| 53     | Invalid request descriptor                       | EBADR             |
+--------+--------------------------------------------------+-------------------+
| 54     | Exchange full                                    | EXFULL            |
+--------+--------------------------------------------------+-------------------+
| 55     | No anode                                         | ENOANO            |
+--------+--------------------------------------------------+-------------------+
| 56     | Invalid request code                             | EBADRQC           |
+--------+--------------------------------------------------+-------------------+
| 57     | Invalid slot                                     | EBADSLT           |
+--------+--------------------------------------------------+-------------------+
| 58     | Unknown error 58                                 | EDEADLOCKEDEADLK  |
+--------+--------------------------------------------------+-------------------+
| 59     | Bad font file format                             | EBFONT            |
+--------+--------------------------------------------------+-------------------+
| 60     | Device not a stream                              | ENOSTR            |
+--------+--------------------------------------------------+-------------------+
| 61     | No data available                                | ENODATA           |
+--------+--------------------------------------------------+-------------------+
| 62     | Timer expired                                    | ETIME             |
+--------+--------------------------------------------------+-------------------+
| 63     | Out of streams resources                         | ENOSR             |
+--------+--------------------------------------------------+-------------------+
| 64     | Machine is not on the network                    | ENONET            |
+--------+--------------------------------------------------+-------------------+
| 65     | Package not installed                            | ENOPKG            |
+--------+--------------------------------------------------+-------------------+
| 66     | Object is remote                                 | EREMOTE           |
+--------+--------------------------------------------------+-------------------+
| 67     | Link has been severed                            | ENOLINK           |
+--------+--------------------------------------------------+-------------------+
| 68     | Advertise error                                  | EADV              |
+--------+--------------------------------------------------+-------------------+
| 69     | Srmount error                                    | ESRMNT            |
+--------+--------------------------------------------------+-------------------+
| 70     | Communication error on send                      | ECOMM             |
+--------+--------------------------------------------------+-------------------+
| 71     | Protocol error                                   | EPROTO            |
+--------+--------------------------------------------------+-------------------+
| 72     | Multihop attempted                               | EMULTIHOP         |
+--------+--------------------------------------------------+-------------------+
| 73     | RFS specific error                               | EDOTDOT           |
+--------+--------------------------------------------------+-------------------+
| 74     | Bad message                                      | EBADMSG           |
+--------+--------------------------------------------------+-------------------+
| 75     | Value too large for defined datatype             | EOVERFLOW         |
+--------+--------------------------------------------------+-------------------+
| 76     | Name not unique on network                       | ENOTUNIQ          |
+--------+--------------------------------------------------+-------------------+
| 77     | File descriptor in bad state                     | EBADFD            |
+--------+--------------------------------------------------+-------------------+
| 78     | Remote address changed                           | EREMCHG           |
+--------+--------------------------------------------------+-------------------+
| 79     | Can not access a needed sharedlibrary            | ELIBACC           |
+--------+--------------------------------------------------+-------------------+
| 80     | Accessing a corrupted sharedlibrary              | ELIBBAD           |
+--------+--------------------------------------------------+-------------------+
| 81     | .lib section in a.out corrupted                  | ELIBSCN           |
+--------+--------------------------------------------------+-------------------+
| 82     | Attempting to link in too manyshared libraries   | ELIBMAX           |
+--------+--------------------------------------------------+-------------------+
| 83     | Cannot exec a shared librarydirectly             | ELIBEXEC          |
+--------+--------------------------------------------------+-------------------+
| 84     | Invalid or incomplete multibyte orwide character | EILSEQ            |
+--------+--------------------------------------------------+-------------------+
| 85     | Interrupted system call should berestarted       | ERESTART          |
+--------+--------------------------------------------------+-------------------+
| 86     | Streams pipe error                               | ESTRPIPE          |
+--------+--------------------------------------------------+-------------------+
| 87     | Too many users                                   | EUSERS            |
+--------+--------------------------------------------------+-------------------+
| 88     | Socket operation on non-socket                   | ENOTSOCK          |
+--------+--------------------------------------------------+-------------------+
| 89     | Destinationaddress required                      | EDESTADDRREQ      |
+--------+--------------------------------------------------+-------------------+
| 90     | Message too long                                 | EMSGSIZE          |
+--------+--------------------------------------------------+-------------------+
| 91     | Protocol wrong type for socket                   | EPROTOTYPE        |
+--------+--------------------------------------------------+-------------------+
| 92     | Protocol not available                           | ENOPROTOOPT       |
+--------+--------------------------------------------------+-------------------+
| 93     | Protocol not supported                           | EPROTONOSUPPORT   |
+--------+--------------------------------------------------+-------------------+
| 94     | Socket type not supported                        | ESOCKTNOSUPPORT   |
+--------+--------------------------------------------------+-------------------+
| 95     | Operation not supported                          | EOPNOTSUPP        |
+--------+--------------------------------------------------+-------------------+
| 96     | Protocol family not supported                    | EPFNOSUPPORT      |
+--------+--------------------------------------------------+-------------------+
| 97     | Address family not supported byprotocol          | EAFNOSUPPORT      |
+--------+--------------------------------------------------+-------------------+
| 98     | Address already in use                           | EADDRINUSE        |
+--------+--------------------------------------------------+-------------------+
| 99     | Cannot assign requested address                  | EADDRNOTAVAIL     |
+--------+--------------------------------------------------+-------------------+
| 100    | Network is down                                  | ENETDOWN          |
+--------+--------------------------------------------------+-------------------+
| 101    | Network is unreachable                           | ENETUNREACH       |
+--------+--------------------------------------------------+-------------------+
| 102    | Network dropped connection onreset               | ENETRESET         |
+--------+--------------------------------------------------+-------------------+
| 103    | Software caused connection abort                 | ECONNABORTED      |
+--------+--------------------------------------------------+-------------------+
| 104    | Connection reset by peer                         | ECONNRESET        |
+--------+--------------------------------------------------+-------------------+
| 105    | No buffer space available                        | ENOBUFS           |
+--------+--------------------------------------------------+-------------------+
| 106    | Transport endpoint is alreadyconnected           | EISCONN           |
+--------+--------------------------------------------------+-------------------+
| 107    | Transport endpoint is notconnected               | ENOTCONN          |
+--------+--------------------------------------------------+-------------------+
| 108    | Cannot send after transportendpoint shutdown     | ESHUTDOWN         |
+--------+--------------------------------------------------+-------------------+
| 109    | Too many references : cannot splice              | ETOOMANYREFS      |
+--------+--------------------------------------------------+-------------------+
| 110    | Connection timed out                             | ETIMEDOUT         |
+--------+--------------------------------------------------+-------------------+
| 111    | Connection refused                               | ECONNREFUSED      |
+--------+--------------------------------------------------+-------------------+
| 112    | Host is down                                     | EHOSTDOWN         |
+--------+--------------------------------------------------+-------------------+
| 113    | No route to host                                 | EHOSTUNREACH      |
+--------+--------------------------------------------------+-------------------+
| 114    | Operation already in progress                    | EALREADY          |
+--------+--------------------------------------------------+-------------------+
| 115    | Operation now in progress                        | EINPROGRESS       |
+--------+--------------------------------------------------+-------------------+
| 116    | Stale NFS file handle                            | ESTALE            |
+--------+--------------------------------------------------+-------------------+
| 117    | Structure needs cleaning                         | EUCLEAN           |
+--------+--------------------------------------------------+-------------------+
| 118    | Not a XENIX named type file                      | ENOTNAM           |
+--------+--------------------------------------------------+-------------------+
| 119    | No XENIX semaphores available                    | ENAVAIL           |
+--------+--------------------------------------------------+-------------------+
| 120    | Is a named type file                             | EISNAM            |
+--------+--------------------------------------------------+-------------------+
| 121    | Remote I/O error                                 | EREMOTEIO         |
+--------+--------------------------------------------------+-------------------+
| 122    | Disk quota exceeded                              | EDQUOT            |
+--------+--------------------------------------------------+-------------------+
| 123    | No medium found                                  | ENOMEDIUM         |
+--------+--------------------------------------------------+-------------------+
| 124    | Wrong medium type                                | EMEDIUMTYPE       |
+--------+--------------------------------------------------+-------------------+
| 125    | Operation canceled                               | ECANCELED         |
+--------+--------------------------------------------------+-------------------+
| 126    | Required key not available                       | ENOKEY            |
+--------+--------------------------------------------------+-------------------+
| 127    | Key has expired                                  | EKEYEXPIRED       |
+--------+--------------------------------------------------+-------------------+
| 128    | Key has been revoked                             | EKEYREVOKED       |
+--------+--------------------------------------------------+-------------------+
| 129    | Key was rejected by service                      | EKEYREJECTED      |
+--------+--------------------------------------------------+-------------------+
| 130    | Owner died                                       | EOWNERDEAD        |
+--------+--------------------------------------------------+-------------------+
| 131    | State not recoverable                            | ENOTRECOVERABLE   |
+--------+--------------------------------------------------+-------------------+
| 132    | Operation not possible due toRF-kill             | ERFKILL           |
+--------+--------------------------------------------------+-------------------+
| 133    | Unknown error 133                                |                   |
+--------+--------------------------------------------------+-------------------+
| 134    | Unknown error 134                                |                   |
+--------+--------------------------------------------------+-------------------+
| 135    | Unknown error 135                                |                   |
+--------+--------------------------------------------------+-------------------+
| 136    | Unknown error 136                                |                   |
+--------+--------------------------------------------------+-------------------+
| 137    | Unknown error 137                                |                   |
+--------+--------------------------------------------------+-------------------+
| 138    | Unknown error 138                                |                   |
+--------+--------------------------------------------------+-------------------+
| 139    | Unknown error 139                                |                   |
+--------+--------------------------------------------------+-------------------+