Home > Linux Errno > List Of Error Codes In Unix

List Of Error Codes In Unix

Contents

A similar standard for scripting might be appropriate. Macro: int EFAULT Bad address; an invalid pointer was detected. Third party libraries often have a single convention that's followed by all of the functions in the library but, again, you'll have to check the library's documentation before making any assumptions.Let's Macro: int ENOTSUP Not supported. get redirected here

Macro: int ECONNREFUSED A remote host refused to allow the network connection (typically because it is not running the requested service). Check out past polls. For example, "Error no is : 17", which doesn't really say much. Comments Close [x] developerWorks: Sign in Required fields are indicated with an asterisk (*).

Linux Errno Codes

Dig deeper into AIX and Unix on developerWorks Overview Technical library (tutorials and more) Forums Community Downloads and products Open source projects Events developerWorks Premium Exclusive tools to build your next Macro: int EAGAIN Resource temporarily unavailable; the call might work if you try again later. This error happens on operations that are supposed to manipulate child processes, when there aren’t any processes to manipulate. Macro: int EBADF Bad file descriptor; for example, I/O on a descriptor that has been closed or reading from a descriptor open only for writing (or vice versa).

Macro: int ENOENT No such file or directory. IBM trial software: Build your next development project with software for download directly from developerWorks.Discuss Participate in the AIX and UNIX forums: AIX 5L -- technicalAIX for Developers ForumCluster Systems ManagementIBM What is the probability that they were born on different days? Enxio But feel free to modify the code, and post the results.

For example, while SCO Unix and Linux systems would look almost exactly alike for the first 30 or 40 errors, some of the comments are markedly different, and higher numbered errors Posix Error Codes Historical applications (that is, horribly outdated legacy code) sometimes refer to these directly, but produce errors during compilation because they're declared inconsistently.The POSIX standard defines quite a few possible values for Trying to rename a directory to some other filesystem is the same problem. #define ENODEV 19 /* No such device */ Any ioctl requests will generate this when applied to a http://www.thegeekstuff.com/2010/10/linux-error-codes For example, here's the places where EPERM is referenced on a 7.2 Red Hat system: acct.c capability.c fork.c kmod.c module.c printk.c ptrace.c sched.c signal.c sys.c sysctl.c time.c uid16.c On Apple OS

functions/system calls are intended for programmers. –Stéphane Chazelas Sep 7 at 8:17 @StéphaneChazelas I've seen it a couple of times, but not in any well established programs, I have Linux Errno To String For example, if you try to delete a file that is the root of a currently mounted filesystem, you get this error. Typically a programming error causes this. #define ENOTBLK 15 /* Block device required */ Try to set disk quotas on something that isn't a block device and this is the error See Job Control, for information on process groups and these signals.

Posix Error Codes

sh: line 0: exit: 3.14159: numeric argument required 255 According to the above table, exit codes 1 - 2, 126 - 165, and 255 have special meanings, and should therefore be http://unix.stackexchange.com/questions/110348/how-do-i-get-the-list-of-exit-codes-and-or-return-codes-and-meaning-for-a-comm Get products and technologiesEclipse.org: Visit the home page of Eclipse -- the open source IDE everyone loves. Linux Errno Codes Required fields are indicated with an asterisk (*). Linux Exit Codes The no error error value#if !defined( EOK ) # define EOK 0 /* no error */ #endifUsing the sys_nerr global variable and the strerror() function, you can easily whip up some

Read more about Ramesh Natarajan and the blog. Get More Info exit 3809 gives an exit code of 225, 3809 % 256 = 225). The system calls shown as examples may not be the only functions that will return these errors; you really need access to the source to know that. #define EPERM 1 /* Only the errors listed above are required to exist on a POSIX 1003.1-conforming system, anything else is gravy.Listing 5. Linux Errno Example

For more information see the bash exit codes. Display name:*(Must be between 3 – 31 characters.) By clicking Submit, you agree to the developerWorks terms of use. Macro: int EAUTH ??? useful reference commands are intended for users.

That could be the maximum size supported by the file system or it could be a per-process limit imposed on you specifically. #define ENOSPC 28 /* No space left on device Errno.h Windows Inside a C program, when a function fails, you should handle the errors accordingly, or at least record the errors in a log file. Often using a debugger to run a program is considered having it open for writing and will cause this error. (The name stands for “text file busy”.) This is not an

Macro: int ED The experienced user will know what is wrong.

Some of these error codes can’t occur on GNU systems, but they can occur using the GNU C Library on other systems. The libraries had to use other conventions for reporting errors.While you're pouring over the C library, or almost any other UNIX library, you'll discover two common ways of reporting failures:The function IPC creates can also return this. #define ESPIPE 29 /* Illegal seek */ You aren't allowed to seek on a pipe. Einval Errno Macro: int EPFNOSUPPORT The socket communications protocol family you requested is not supported.

This article familiarizes you with UNIX error reporting in the standard C library and (hopefully) encourages you to report and handle errors in a user-friendly way.Let's dig in!Back to topBefore you How should I deal with a difficult group and a DM that doesn't help? Please choose a display name between 3-31 characters. this page Attachmate-defined SCP/SFTP Exit Codes 0 Success 1 Undetermined error in file copy 3 Destination is not directory, but it should be 4 Connecting to host failed 5 Connection lost for some

Macro: int ECONNRESET A network connection was closed for reasons outside the control of the local host, such as by the remote machine rebooting or an unrecoverable protocol violation. Keep it simple 2. Unhandled errnos propagate upwards, like exceptions, (the errno stays, functions return e.g., -1 or 0|NULL). Abigail[reply] Re^2: List standard Unix error codes by Anonymous Monk on May 26, 2009 at 15:18UTC Re: List standard Unix error codes by belg4mit (Prior) on Jul 16, 2003 at 20:12UTC

Macro: int ELOOP Too many levels of symbolic links were encountered in looking up a file name. Macro: int EACCES Permission denied; the file permissions do not allow the attempted operation. It will print an error message to STDERR that will be determined by the error code returned from the most recent system or library call. Macro: int EISDIR File is a directory; you cannot open a directory for writing, or create or remove hard links to it.

Example: $ /dev/null $ /etc/hosts; echo $? -bash: /etc/hosts: Permission denied 126 127 - if a command cannot be found, the child process created to execute it returns that status Possible asked 2 years ago viewed 4069 times active 1 month ago Related 2Negate exit code without using shell features1Using sshpass, return code (exit status) differs for reasons unknown using valid commands5How As mentioned above, drivers may return this for inappropriate ioctl() calls. You have to detect the failure and handle the error.

I use my own last-exit-status decoder in my PROMPT_COMMAND (bash) so I get something like "($numeric_code|$bsd_decoded|$errno_plus_one_decoded)". –PSkocik Sep 7 at 9:00 | show 1 more comment up vote 4 down vote How many different varieties (color, size, etc) of socks do you have in your sock drawer? 1. The plock() function ( which locks areas of a process into memory) returns this if you attempt to use it twice on the same memory segment. dW Answers Ask a technical question Explore more technical topics Tutorials & training to grow your development skills Back to top static.content.url=http://www.ibm.com/developerworks/js/artrating/SITE_ID=1Zone=AIX and UNIX, Open sourceArticleID=157710ArticleTitle=Errors: errno in UNIX programspublish-date=09052006 About

Looking up error codes manually is ill advise IMO. There's also nothing that prevents a programmer from misusing these constants in their own error returns, either through ignorance or simple misunderstanding of the historical use of these. To understand the nature of the error these codes need to be interpreted. A temporary resource shortage made an operation impossible.

Macro: int EADDRNOTAVAIL The requested socket address is not available; for example, you tried to give a socket a name that doesn’t match the local host name. Macro: int EAFNOSUPPORT The address family specified for a socket is not supported; it is inconsistent with the protocol being used on the socket.