Macro: int ENEEDAUTH ??? Macro: int ENETUNREACH A socket operation failed because the subnet containing the remote host was unreachable. So, the thing to keep in mind is that just because you've seen a particular error on a particular platform doesn't mean it is the same somewhere else. The system cannot allocate more virtual memory because its capacity is full. his comment is here
A seek() to before the beginning of a file returns this. This often indicates a cycle of symbolic links. It could be from a physical error, but additionally, an orphaned process (a process whose parent has died) that attempts to read from standard input will get this. This indicates that the function called is not implemented at all, either in the C library itself or in the operating system. http://www-numi.fnal.gov/offline_software/srt_public_context/WebDocs/Errors/unix_system_errors.html
Macro: int EDEADLK Deadlock avoided; allocating a system resource would have resulted in a deadlock situation. For example, the _O_CREAT and _O_EXCL flags are specified in an _open call, but the named file already exists.EILSEQIllegal sequence of bytes (for example, in an MBCS string).EINVALInvalid argument. Macro: int ENOPROTOOPT You specified a socket option that doesn’t make sense for the particular protocol being used by the socket. Macro: int EBUSY Resource busy; a system resource that can’t be shared is already in use.
Errors: Linux System Errors When system requests fail, error code are returned. More Articles by Tony Lawrence Find me on Google+ © 2013-08-20 Tony Lawrence Related Articles Thu Nov 17 03:34:09 2005: 1358 George Thanks a lot. You could explain more each error so that beginners really get the problem behind it (even if it is generic). Posix Error Codes Macro: int EPROCUNAVAIL ???
You could see that, for example, if you tried to run "ls" on a directory with too many files. Contact Site Map Search website Additional Info One in a million is next Tuesday. (Gordon Letwin) Kerio® posts Linux posts Troubleshooting posts This post tagged: Administration Basics Install/Upgrade Kernel Linux Apple Valid error numbers are all nonzero; errno is never set to zero by any system call or library function. http://man7.org/linux/man-pages/man3/errno.3.html You have to include errno.h header file to use external variable errno.
Macro: int EPROCLIM This means that the per-user limit on new process would be exceeded by an attempted fork. Errno.h Linux Kernel The macro EWOULDBLOCK is another name for EAGAIN; they are always the same in the GNU C Library. Macro: int EISDIR File is a directory; you cannot open a directory for writing, or create or remove hard links to it. English equivalent of the Portuguese phrase: "this person's mood changes according to the moon" Is it permitted to not take Ph.D.
Macro: int EXDEV An attempt to make an improper link across file systems was detected. http://kernelhistory.sourcentral.org/linux-0.99.3/S/32.html Time for a larger disk. Linux Error Codes 127 However, it can also be returned for trying to open a non-existent IPC channel, or if one of the directories in a pathname does not exist. #define ESRCH 3 /* No Linux Exit Codes Join them; it only takes a minute: Sign up In which header file are EINVAL, ENOMEM, etc.
For some system calls and library functions (e.g., getpriority(2)), -1 is a valid return on success. this content The specified file or directory does not exist or cannot be found. If it tries to wait() for a child that doesn't exist, or re-issues a wait() for the same child, it gets this. Anyone can tell me where are them? Linux Errno Example
Note: In QNX Neutrino 6.4.0, EALREADY was defined as EALREADY_OLD; in QNX Neutrino 6.6.0, it's defined as EALREADY_NEW. 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: 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. weblink Under MS-DOS operating system versions 3.0 and later, EACCES may also indicate a locking or sharing violation.
If you try to specify SIGKILL or SIGSTOP to sigaction(), you'll get this return. Linux Errno To String Macro: int ENOMEM No memory available. Bash 101 Hacks eBook Sed and Awk 101 Hacks eBook Vim 101 Hacks eBook Nagios Core 3 eBook Copyright © 2008–2015 Ramesh Natarajan.
Macro: int ENXIO No such device or address. 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. And, while a filesystem is being mounted or unmounted, a process that attempts to access it will find it locked and will get this error. #define EEXIST 17 /* File exists Errno.h Windows Macro: int ENOTTY Inappropriate I/O control operation, such as trying to set terminal modes on an ordinary file.
You get this error when you try to transmit data over a connectionless socket, without first specifying a destination for the data with connect. For more information, see "Local storage for private data" in the documentation for ThreadCreate(). I will be posting instruction guides, how-to, troubleshooting tips and tricks on Linux, database, hardware, security and web. check over here Macro: int ESPIPE Invalid seek operation (such as on a pipe).
Macro: int EEXIST File exists; an existing file was specified in a context where it only makes sense to specify a new file. For example, the value given for the origin when positioning a file pointer (by means of a call to fseek) is before the beginning of the file.EMFILEToo many open files. By the way, errno is not always a variable. Richard StevensAgain, keep in mind that this is all examples, and may not apply to your specific platform.
If the entire function is not available at all in the implementation, it returns ENOSYS instead. To access the actual operating system error code, use the _doserrno variable, which contains this value.The following errno values are supported: ECHILDNo spawned processes.EAGAINNo more processes. 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. Its value is significant only when the return value of the call indicated an error (i.e., -1 from most system calls; -1 or NULL from most library functions); a function that
But... Macro: int EFAULT Bad address; an invalid pointer was detected. However, on (very) old UNIX systems, there may be no
However, not all the definitions given in ERRNO.H are used in 32-bit Windows operating systems.