The following table shows list of error numbers and its descriptions in Linux operation system ERROR CODE TABLE Error number Error Code Error Description 1 EPERM Operation not permitted 2 ENOENT Macro: int EMFILE The current process has too many files open and can’t open any more. I have to investigate why they weren't defined in the main errno header Michael B Allen
See Socket Addresses. Macro: int ENODEV The wrong type of device was given to a function that expects a particular sort of device. To make your program portable, you should check for both codes and treat them the same. This documentation is archived and is not being maintained. http://www.thegeekstuff.com/2010/10/linux-error-codes/
There are two flags in the open call. In C programming language, there is no direct support for error handling. perror function prints error description in standard error.
perror function prints error description in standard error. Macro: int ERANGE Range error; used by mathematical functions when the result value is not representable because of overflow or underflow. In C programming language, return values represents success or failure. List Of Errno Values On GNU/Hurd systems, this error never happens; you get a signal instead.
Macro: int EFTYPE Inappropriate file type or format. Mysql Error Code 1005 Errno 121 The following C code snippet tries to open a file through open system call. The file was the wrong type for the operation, or a data file had the wrong format. The following C code snippet tries to open a file through open system call.
You should avoid using the numeric value and use the constants listed there as well, as the number may change between different systems. Errno Linux Macro: int ENETDOWN A socket operation failed because the network was down. That should tell you what it means and what to do with them. From this errno variable you can use some error handling functions to find out the error description and handle it appropriately.
What does it mean? his explanation This condition never arises on GNU/Hurd systems. Mysql Error Code 1005 Errno 150 Link bubrek November 3, 2010, 11:46 am i have to make stronge grip on C++ please help me by sending handout/notes and practices Link Cancel reply Leave a Comment Name Email Error Errno 10054 Feel free to send those people a nice peer beating. –allyourcode Nov 25 '12 at 7:06 3 The problem is that perror doesn't tell you which macro equivalent the error
Contact Us Email Me : Use this Contact Form to get in touch me with your comments, questions or suggestions about this site. my review here A temporary resource shortage made an operation impossible. However, on (very) old UNIX systems, there may be no
Macro: int EOPNOTSUPP The operation you requested is not supported. This error is never generated by GNU/Hurd systems, but it can result from an operation to an NFS server running another operating system. To understand the nature of the error these codes need to be interpreted. click site Link bubrek November 3, 2010, 11:46 am i have to make stronge grip on C++ please help me by sending handout/notes and practices Link Cancel reply Leave a Comment Name Email
Tweet >Add your comment If you enjoyed this article, you might also like.. 50 Linux Sysadmin Tutorials 50 Most Frequently Used Linux Commands (With Examples) Top 25 Best Linux Performance Linux Errno Example share|improve this answer edited Oct 16 '13 at 12:59 user283145 answered Feb 2 '09 at 16:51 schnaader 34.2k570104 add a comment| up vote 6 down vote There's a few useful functions Every library function that returns this error code also generates a SIGPIPE signal; this signal terminates the program if not handled or blocked.
The argument to a math function is not in the domain of the function.EDOMMath argument.EEXISTFiles exist. Macro: int ENOSYS Function not implemented. Polar Coordinates in sets sox and rec without the mic How do I debug an emoticon-based URL? Linux Errno Codes You really need to know what error number 17 means.
Macro: int EPFNOSUPPORT The socket communications protocol family you requested is not supported. O_EXCL flag is used with O_CREAT, if the file is already exist open call will fail with the proper error number. $ cat fileopen.c #include
Make sure to bookmark this article for future reference. You’ll be auto redirected in 1 second. In C programming language, there is an external variable called "errno". You can use select to find out when the operation will be possible; see Waiting for I/O.
You have to detect the failure and handle the error. Instead, they return EINPROGRESS to indicate that the operation has begun and will take some time. This article might be a handy reference for you, when you encounter an error number and you would like to know what it means. See Limits on Resources, for details on the RLIMIT_NPROC limit.
They are recorded in:- /usr/include/asm/errno.h Here is a copy of that file as of Aug 2004 on RedHat 7.3 #define EPERM 1 /* Operation not permitted */ #define ENOENT 2 /* You have to include errno.h header file to use external variable errno. For example, if you try to delete a file that is the root of a currently mounted filesystem, you get this error. Macro: int ERESTART Macro: int ECHRNG Macro: int EL2NSYNC Macro: int EL3HLT Macro: int EL3RST Macro: int ELNRNG Macro: int EUNATCH Macro: int ENOCSI Macro: int EL2HLT Macro: int EBADE Macro:
Macro: int EPROGUNAVAIL ??? Macro: int EBADMSG Macro: int EIDRM Macro: int EMULTIHOP Macro: int ENODATA Macro: int ENOLINK Macro: int ENOMSG Macro: int ENOSR Macro: int ENOSTR Macro: int EOVERFLOW Macro: int EPROTO Macro: Next: Error Messages, Previous: Checking for Errors, Up: Error Reporting [Contents][Index] 2.2 Error Codes The error code macros are defined in the header file errno.h. You can also simply drop me a line to say hello!.
Macro: int ETIMEDOUT A socket operation with a specified timeout received no response during the timeout period. Macro: int EGREGIOUS You did what? Macro: int EHOSTUNREACH The remote host for a requested network connection is not reachable.