The following list describes the possible error conditions
that an I/O file object may encounter during a disk operation,
such as reading from or writing to the file. To determine the file
error number returned by the operating system when the I/O
file object encounters an error, use the errno method.
Table B-1: Error conditions
Mnemonic
|
Description
|
|---|
FENOERROR
|
No error.
|
FEPERM
|
User needs root permission to access the
file.
|
FENOENT
|
No such file or directory at the specified
location.
|
FEINTR
|
A system call was interrupted.
|
FEIO
|
An I/O error occurred.
|
FEBADF
|
Bad file number. You used the read method
on a file before using the open method to open the file.
|
FENOMEM
|
Not enough memory available on the system.
|
FEACCES
|
Permissions set do not allow access to
the file.
|
FEEXIST
|
The file or directory exists at the specified
location.
|
FEXDEV
|
You tried to use the rename method across
file systems.
|
FENOTDIR
|
Not a directory.
|
FEISDIR
|
The I/O file object is referencing
a directory.
|
FEINVAL
|
You passed an invalid parameter to a method.
|
FENFILE
|
The internal table of the number of files
open has reached the operating system’s limit. This limit
is O/S dependent and may be reconfigurable. Refer to your system’s
operating manual for details.
|
FEMFILE
|
There are too many files open on the system.
|
FETXTBSY
|
You tried to delete a file that is in
use.
|
FEFBIG
|
The file is too large. How large a file you
may open depends upon the operating system’s limit and
may be reconfigurable.Refer to your system’s operating
manual for details.
|
FENOSPC
|
Out of disk space.
|
FESPIPE
|
Illegal seek. You read past the end of the
file.
|
FEROFS
|
Read only file system.
|
FENOLCK
|
System record lock table is full.
|
FEILSEQ
|
You passed a bad regular expression to
the openDir method.
|
FENOTEMPTY
|
The directory is not empty.
|
FENAMETOOLONG
|
A component of the directory path in the
I/O File object’s associated file field is too
long, or the entire path is too long. This limit is O/S
dependent and may be reconfigurable. Refer to your system’s
operating manual for details.
|
FEUNKNOWN
|
Unable to determine the error.
|
