菜鸟笔记linux错误码大全
查看错误代码errno是调试程序的一个重要方法。当linuc Capi函数发生异常时,一般会将errno变量(需includeerrno.h)赋一个整数值,不同的值表示不同的含义,可以通过查看该值推测出错的原因。在实际编程中用这一招解决了不少原本看来莫名其妙的问题。比较麻烦的是每次都要去linux源代码里面查找错误代码的含义，现在把它贴出来，以后需要查时就来这里看了。
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