errno的一些错误定义

errno的一些错误定义


以下来主要自2.6.32的内核代码中的/usr/include/asm-generic/errno.h及errno-base.h，输出错误原因定义归纳整理如下：


#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 */
　　#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 NFS 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    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 */
　　#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 */