Errors:linux System Errors

When system requests fail, error code is returned. To understand the nature of the "error these codes need to be interpreted. They is recorded in:-

  /usr/include/asm/errno.h

Here is a copy of the that file as of the 2004 on RedHat 7.3

#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 */#defin            E EIO 5 */I/O error */#define ENXIO 6/* No such device or address */#define E2big      7/* ARG list too long */#define ENOEXEC 8/* Exec format Error */#define EBADF 9 /* Bad file number */#define ECHILD/* No child processes */#define EAGAIN/* Try Agai n */#define ENOMEM/* Out of Memory */#define EACCES//Permission denied */#define Efau       LT/* Bad address */#define ENOTBLK/* Block device required */#define EBUSY 16 /* Device or resource busy */#define EEXIST/* File exists */#define EXDEV//Cro Ss-device Link */#define Enodev/* No such device */#define ENOTDIR/* Not a directory */#define Eisdir */* is a directory */#define EINVAL */Invalid argument */#define ENFILE */File Table overflow */#define EMFILE/* Too many open files */#define ENOTTY//Not a Typewri TER * * #define ETXTBSY/* Text file Busy */#define EFBIG/* File too large */#define ENOS           PC/* No space left on device */#define ESPIPE/* Illegal seek */#define Erofs  */* read-only file System */#define EMLINK */Too many links */#define EPIPE 32/*  Broken pipe */#define EDOM/* Math argument out of domain of Func */#define ERANGE 34/*    Math Result not representable */#define EDEADLK//Resource deadlock would occur */#define Enametoolong /*/File name TOO long */#define ENOLCK Notoginseng/No record locks available */#define ENOSYS */Function Not I  mplemented */#define ENOTEMPTY/* Directory not empty */#define ELOOP//Too many symbolic Links encountered */#define EWOULDBLOCK Eagain */operation would block */#define ENOMSG/* No mess Age of desired type */#define EIDRM */Identifier removed */#define ECHRNG//Channel N Umber out of range */#define EL2NSYNC */Level 2 not synchronized */#define EL3HLT/*/leve L 3 halted */#define EL3RST */Level 3 Reset */#define ELNRNG/* Link number out of rang E/#define Eunatch */Protocol driver not attached */#define ENOCSI//NO CSI structure Available */#define EL2HLT/* Level 2 halted */#define EBADE//Invalid Exchange */#def  INE Ebadr 53    /* Invalid Request Descriptor */#define EXFULL/* Exchange full */#define ENOANO 55/* No Anode */#define EBADRQC/* Invalid Request code */#define EBADSLT//Invalid slot */#de Fine Edeadlock edeadlk#define ebfont/* Bad font file format */#define ENOSTR */D Evice not a stream */#define ENODATA/* NO data available */#define ETIME//Timer Expir Ed */#define ENOSR/* Out of streams resources */#define ENONET */machine isn't on th  E Network */#define ENOPKG/* Package not installed */#define EREMOTE/* Object is remote  */#define ENOLINK */* Link has been severed */#define EADV//Advertise error */#define ESRMNT/* Srmount error */#define ECOMM/* communication error on send/#define Eprot O/* PrOtocol Error */#define EMULTIHOP */* multihop attempted */#define EDOTDOT/*/RFS specific err or * * #define EBADMSG/* Not a data message * * #define EOVERFLOW */Value too large for define D data type */#define ENOTUNIQ/* Name not unique on network */#define EBADFD */* File desc Riptor in Bad state */#define EREMCHG/* Remote address changed */#define ELIBACC//Can N OT access a needed shared library */#define ELIBBAD/* Accessing a corrupted Shared library */#define Elib  SCN/*. lib section in a.out corrupted */#define ELIBMAX/* Attempting to link in too many      Shared libraries */#define ELIBEXEC//cannot exec a shared library directly */#define EILSEQ 84 /* Illegal byte sequence */#define ERESTART//interrupted system call should be restarted */#define E Strpipe 86/* Streams Pipe Error */#define EUSERS */Too many users */#define ENOTSOCK */* Socket Opera tion on Non-socket */#define EDESTADDRREQ//Destination address required */#define EMSGSIZE 90/* Message too long */#define EPROTOTYPE/* Protocol wrong type for socket */#define ENOPROTOOPT 92/* Protocol Not Available */#define EPROTONOSUPPORT */Protocol not supported * * #define ESOCKTNOSUPPORT 94/* SO Cket type not supported */#define EOPNOTSUPP */operation not supported on transport endpoint */#define EPFNO Support Protocol/* Family not supported */#define EAFNOSUPPORT/* Address family not supported by P Rotocol */#define EADDRINUSE 98/* Address already in use */#define EADDRNOTAVAIL//* Cannot assign req uested Address */#define ENETDOWN/* Network is down */#define ENETUNREACH 101/* Network is UNREAC Hable */#define EnetreseT 102/* Network dropped connection because of Reset */#define ECONNABORTED 103/* Software caused Connec tion Abort */#define ECONNRESET 104/* Connection Reset by Peer */#define ENOBUFS * * No buffer sp     ACE 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 Shutdo  WN */#define ETOOMANYREFS 109 */Too many references:cannot splice */#define ETIMEDOUT/* Connection Timed out */#define ECONNREFUSED 111/* Connection refused */#define EHOSTDOWN/* Host is down */#de Fine Ehostunreach 113 * * No route to host */#define EALREADY */operation already in progress */#def INE einprogress */* Operation now in progress */#define ESTALE */* Stale NFS file handle */#def INE Euclean 117    /* Structure Needs cleaning * * #define ENOTNAM 118 * Not a XENIX named type file */#define Enavail       119 */No XENIX semaphores available */#define EISNAM/* is a named type file */#define Eremoteio 121/* Remote I/O error */#define EDQUOT 122/* Quota exceeded */#define ENOMEDIUM 123/* N o Medium found */#define EMEDIUMTYPE 124/* Wrong medium type */

Errors:linux System Errors