爱华网1-34号错误号是在内核源码的include/asm-generic/errno-base.h定义
35-132则是在include/asm-generic/errno.h中定义
剩下还有一些更大的错误号是留给内核级别的，如系统调用等，用户程序一般是看不见的这些号的，Ubuntu9.10中/usr/src/linux-headers-2.6.31-21-generic/include/linux/errno.h
#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 domainof func ＊/#define ERANGE 34 /＊ Math result notrepresentable ＊/
#endif
#include<asm-generic/errno-base.h>
#define EDEADLK 35 /＊ Resource deadlock wouldoccur ＊/#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 linksencountered ＊/#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 /＊ Level2 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 notattached ＊/#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 thenetwork ＊/#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 /＊ Valuetoo large for defined data type ＊/#define ENOTUNIQ 76 /＊ Namenot unique on network ＊/#define EBADFD 77 /＊ File descriptor in badstate ＊/#define EREMCHG 78 /＊ Remote address changed＊/#define ELIBACC 79 /＊ Can not access a neededshared library ＊/#define ELIBBAD 80 /＊ Accessing a corruptedshared library ＊/#define ELIBSCN 81 /＊ .lib section in a.outcorrupted ＊/#define ELIBMAX 82 /＊ Attempting to link in toomany shared libraries ＊/#define ELIBEXEC 83 /＊ Cannotexec 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 /＊ Socketoperation 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 isalready 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 /＊ Hostis 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 semaphoresavailable ＊/#define EISNAM 120 /＊ Is a named type file＊/#define EREMOTEIO 121 /＊Remote I/O error ＊/#define EDQUOT 122 /＊ Quota exceeded＊/
#define ENOMEDIUM 123 /＊ Nomedium found ＊/#define EMEDIUMTYPE 124 /＊ Wrongmedium type ＊/#define ECANCELED 125 /＊Operation Canceled ＊/#define ENOKEY 126 /＊ Required key not available＊/#define EKEYEXPIRED 127 /＊ Keyhas expired ＊/#define EKEYREVOKED 128 /＊ Keyhas been revoked ＊/#define EKEYREJECTED 129 /＊ Key was rejected by service＊/
/＊ forrobust mutexes ＊/#define EOWNERDEAD 130 /＊ Ownerdied ＊/#define ENOTRECOVERABLE 131 /＊ State not recoverable ＊/
#defineERFKILL 132 /＊Operation not possible due to RF-kill ＊/
#ifdef__KERNEL__
/＊＊ These should never be seenby user programs. To return one of ERESTART＊＊ codes, signal_pending()MUST be set. Note that ptrace can observe these＊ at syscall exit tracing,but they will never be left for the debuggeduser＊ process tosee.＊/#defineERESTARTSYS 512#defineERESTARTNOINTR 513#defineERESTARTNOHAND 514 /＊ restart if no handler..＊/#defineENOIOCTLCMD 515 /＊ No ioctl command＊/#defineERESTART_RESTARTBLOCK 516 /＊ restart by calling sys_restart_syscall＊/
/＊Defined for the NFSv3 protocol ＊/#defineEBADHANDLE 521 /＊ Illegal NFS file handle＊/#defineENOTSYNC 522 /＊ Update synchronizationmismatch ＊/#defineEBADCOOKIE 523 /＊ Cookie is stale＊/#defineENOTSUPP 524 /＊ Operation is not supported＊/#defineETOOSMALL 525 /＊ Buffer or request is toosmall ＊/#defineESERVERFAULT 526 /＊ An untranslatable erroroccurred ＊/#defineEBADTYPE 527 /＊ Type not supported byserver ＊/#defineEJUKEBOX 528 /＊ Request initiated, but willnot complete before timeout ＊/#defineEIOCBQUEUED 529 /＊ iocb queued, will getcompletion event ＊/#defineEIOCBRETRY 530 /＊ iocb queued, will trigger aretry ＊/
#endif
