Linux环境下错误码及意义总结

linux的错误码包含在/usr/include/asm-generic/errno-base.h和/usr/include/asm-generic/errno.h 这两个文件内：

#ifndef _asm_generic_errno_base_h
#define _asm_generic_errno_base_h

#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    /* i/o error */
#define    enxio         6    /* no such device or address */
#define    e2big         7    /* argument list too long */
#define    enoexec         8    /* exec format error */
#define    ebadf         9    /* bad file number */
#define    echild        10    /* no child processes */
#define    eagain        11    /* try again */
#define    enomem        12    /* out of memory */
#define    eacces        13    /* permission denied */
#define    efault        14    /* bad address */
#define    enotblk        15    /* block device required */
#define    ebusy        16    /* device or resource busy */
#define    eexist        17    /* file exists */
#define    exdev        18    /* cross-device link */
#define    enodev        19    /* no such device */
#define    enotdir        20    /* not a directory */
#define    eisdir        21    /* is a directory */
#define    einval        22    /* invalid argument */
#define    enfile        23    /* file table overflow */
#define    emfile        24    /* too many open files */
#define    enotty        25    /* not a typewriter */
#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 */
#define    edom        33    /* math argument out of domain of func */
#define    erange        34    /* math result not representable */

#endif

#ifndef _asm_generic_errno_h
#define _asm_generic_errno_h

#include <asm-generic/errno-base.h>

#define    edeadlk        35    /* resource deadlock would occur */
#define    enametoolong    36    /* file name too long */
#define    enolck        37    /* no record locks available */
#define    enosys        38    /* function not implemented */
#define    enotempty    39    /* directory not empty */
#define    eloop        40    /* too many symbolic links encountered */
#define    ewouldblock    eagain    /* operation would block */
#define    enomsg        42    /* no message of desired type */
#define    eidrm        43    /* identifier removed */
#define    echrng        44    /* channel number out of range */
#define    el2nsync    45    /* level 2 not synchronized */
#define    el3hlt        46    /* level 3 halted */
#define    el3rst        47    /* level 3 reset */
#define    elnrng        48    /* link number out of range */
#define    eunatch        49    /* protocol driver not attached */
#define    enocsi        50    /* no csi structure available */
#define    el2hlt        51    /* level 2 halted */
#define    ebade        52    /* invalid exchange */
#define    ebadr        53    /* invalid request descriptor */
#define    exfull        54    /* exchange full */
#define    enoano        55    /* no anode */
#define    ebadrqc        56    /* invalid request code */
#define    ebadslt        57    /* invalid slot */

#define    edeadlock    edeadlk

#define    ebfont        59    /* bad font file format */
#define    enostr        60    /* device not a stream */
#define    enodata        61    /* no data available */
#define    etime        62    /* timer expired */
#define    enosr        63    /* out of streams resources */
#define    enonet        64    /* machine is not on the network */
#define    enopkg        65    /* package not installed */
#define    eremote        66    /* object is remote */
#define    enolink        67    /* link has been severed */
#define    eadv        68    /* advertise error */
#define    esrmnt        69    /* srmount error */
#define    ecomm        70    /* communication error on send */
#define    eproto        71    /* protocol error */
#define    emultihop    72    /* multihop attempted */
#define    edotdot        73    /* rfs specific error */
#define    ebadmsg        74    /* not a data message */
#define    eoverflow    75    /* value too large for defined data type */
#define    enotuniq    76    /* name not unique on network */
#define    ebadfd        77    /* file descriptor in bad state */
#define    eremchg        78    /* remote address changed */
#define    elibacc        79    /* can not access a needed shared library */
#define    elibbad        80    /* accessing a corrupted shared library */
#define    elibscn        81    /* .lib section in a.out corrupted */
#define    elibmax        82    /* attempting to link in too many shared libraries */
#define    elibexec    83    /* cannot exec a shared library directly */
#define    eilseq        84    /* illegal byte sequence */
#define    erestart    85    /* interrupted system call should be restarted */
#define    estrpipe    86    /* streams pipe error */
#define    eusers        87    /* too many users */
#define    enotsock    88    /* socket operation on non-socket */
#define    edestaddrreq    89    /* destination address required */
#define    emsgsize    90    /* message too long */
#define    eprototype    91    /* protocol wrong type for socket */
#define    enoprotoopt    92    /* protocol not available */
#define    eprotonosupport    93    /* protocol not supported */
#define    esocktnosupport    94    /* socket type not supported */
#define    eopnotsupp    95    /* operation not supported on transport endpoint */
#define    epfnosupport    96    /* protocol family not supported */
#define    eafnosupport    97    /* address family not supported by protocol */
#define    eaddrinuse    98    /* address already in use */
#define    eaddrnotavail    99    /* cannot assign requested address */
#define    enetdown    100    /* network is down */
#define    enetunreach    101    /* network is unreachable */
#define    enetreset    102    /* network dropped connection because of reset */
#define    econnaborted    103    /* software caused connection abort */
#define    econnreset    104    /* connection reset by peer */
#define    enobufs        105    /* no buffer space available */
#define    eisconn        106    /* transport endpoint is already connected */
#define    enotconn    107    /* transport endpoint is not connected */
#define    eshutdown    108    /* cannot send after transport endpoint shutdown */
#define    etoomanyrefs    109    /* too many references: cannot splice */
#define    etimedout    110    /* connection timed out */
#define    econnrefused    111    /* connection refused */
#define    ehostdown    112    /* host is down */
#define    ehostunreach    113    /* no route to host */
#define    ealready    114    /* operation already in progress */
#define    einprogress    115    /* operation now in progress */
#define    estale        116    /* stale file handle */
#define    euclean        117    /* structure needs cleaning */
#define    enotnam        118    /* not a xenix named type file */
#define    enavail        119    /* no xenix semaphores available */
#define    eisnam        120    /* is a named type file */
#define    eremoteio    121    /* remote i/o error */
#define    edquot        122    /* quota exceeded */

#define    enomedium    123    /* no medium found */
#define    emediumtype    124    /* wrong medium type */
#define    ecanceled    125    /* operation canceled */
#define    enokey        126    /* required key not available */
#define    ekeyexpired    127    /* key has expired */
#define    ekeyrevoked    128    /* key has been revoked */
#define    ekeyrejected    129    /* key was rejected by service */

/* for robust mutexes */
#define    eownerdead    130    /* owner died */
#define    enotrecoverable    131    /* state not recoverable */

#define erfkill        132    /* operation not possible due to rf-kill */

#define ehwpoison    133    /* memory page has hardware error */

#endif