RTEMS 4.9.5 On-Line Library

Files and Directories Manager fchmod - Changes permissions of a file

RTEMS POSIX API User's Guide

#include <sys/types.h>
#include <sys/stat.h>

int fchmod(
  int    fildes,
  mode_t mode
);

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

The mode of the file given by path or referenced by filedes is changed.

NONE

RTEMS POSIX API User's Guide