RTEMS 4.8.0 On-Line Library
Files and Directories Manager fchmod - Changes permissions of a file
RTEMS POSIX API User's Guide
4.4.26: fchmod - Changes permissions of a file
CALLING SEQUENCE:
-
#include <sys/types.h>
#include <sys/stat.h>
int fchmod(
int fildes,
mode_t mode
);
STATUS CODES:
- EACCES
-
Search permission is denied for a directory in a file's path prefix.
- EBADF
-
The descriptor is not valid.
- EFAULT
-
path
points outside your accessible address space.
- EIO
-
A low-level I/o error occurred while modifying the inode.
- ELOOP
-
path
contains a circular reference
- ENAMETOOLONG
-
Length of a filename string exceeds PATH_MAX and _POSIX_NO_TRUNC is
in effect.
- ENOENT
-
A file or directory does no exist.
- ENOMEM
-
Insufficient kernel memory was avaliable.
- ENOTDIR
-
A component of the specified pathname was not a directory when a
directory was expected.
- EPERM
-
The effective UID does not match the owner of the file, and is not
zero
- EROFS
-
Read-only file system
DESCRIPTION:
The mode of the file given by path
or referenced by
filedes
is changed.
NOTES:
NONE
RTEMS POSIX API User's Guide
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