Linux errno,number of last error.

Linux/include/uapi/asm-generic/errno-base.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 domain of func /

define ERANGE 34 / Math result not representable /

endif

Linux/include/uapi/asm-generic/errno.h

ifndef _ASM_GENERIC_ERRNO_H

define _ASM_GENERIC_ERRNO_H

include

define EDEADLK 35 / Resource deadlock would occur /

define ENAMETOOLONG 36 / File name too long /

define ENOLCK 37 / No record locks available /

/*
* This error code is special: arch syscall entry code will return
* -ENOSYS if users try to call a syscall that doesn’t exist. To keep
* failures of syscalls that really do exist distinguishable from
* failures due to attempts to use a nonexistent syscall, syscall
* implementations should refrain from returning -ENOSYS.

*/

define ENOSYS 38 / Invalid system call number /

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

Linux/include/linux/errno.h

ifndef _LINUX_ERRNO_H

define _LINUX_ERRNO_H

include

/
* These should never be seen by 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 debugged user
* process to see.

*/

define ERESTARTSYS 512

define ERESTARTNOINTR 513

define ERESTARTNOHAND 514 / restart if no handler.. /

define ENOIOCTLCMD 515 / No ioctl command /

define ERESTART_RESTARTBLOCK 516 / restart by calling sys_restart_syscall /

define EPROBE_DEFER 517 / Driver requests probe retry /

define EOPENSTALE 518 / open found a stale dentry /

/ Defined for the NFSv3 protocol /

define EBADHANDLE 521 / Illegal NFS file handle /

define ENOTSYNC 522 / Update synchronization mismatch /

define EBADCOOKIE 523 / Cookie is stale /

define ENOTSUPP 524 / Operation is not supported /

define ETOOSMALL 525 / Buffer or request is too small /

define ESERVERFAULT 526 / An untranslatable error occurred /

define EBADTYPE 527 / Type not supported by server /

define EJUKEBOX 528 / Request initiated, but will not complete before timeout /

define EIOCBQUEUED 529 / iocb queued, will get completion event /

define ERECALLCONFLICT 530 / conflict with recalled state /

endif

Original: https://www.cnblogs.com/we-hjb/p/6798279.html
Author: sunrain_hjb
Title: Linux errno