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FUTIMESAT(2)               Linux Programmer's Manual              FUTIMESAT(2)



NAME
       futimesat - change timestamps of a file relative to a directory file descriptor

SYNOPSIS
       #define _ATFILE_SOURCE
       #include <fcntl.h> /* Definition of AT_* constants */

       int futimesat(int dirfd, const char *pathname,
                     const struct timeval times[2]);

DESCRIPTION
       This system call is obsolete.  Use utimensat(2) instead.

       The futimesat() system call operates in exactly the same way as utimes(2), except for the differences described
       in this manual page.

       If the pathname given in pathname is relative, then it is interpreted relative to the directory referred to  by
       the  file descriptor dirfd (rather than relative to the current working directory of the calling process, as is
       done by utimes(2) for a relative pathname).

       If pathname is relative and dirfd is the special value AT_FDCWD, then pathname is interpreted relative  to  the
       current working directory of the calling process (like utimes(2)).

       If pathname is absolute, then dirfd is ignored.

RETURN VALUE
       On success, futimesat() returns a 0.  On error, -1 is returned and errno is set to indicate the error.

ERRORS
       The  same  errors that occur for utimes(2) can also occur for futimesat().  The following additional errors can
       occur for futimesat():

       EBADF  dirfd is not a valid file descriptor.

       ENOTDIR
              pathname is relative and dirfd is a file descriptor referring to a file other than a directory.

VERSIONS
       futimesat() was added to Linux in kernel 2.6.16.

CONFORMING TO
       This system call is non-standard.  It was implemented from a specification that was proposed for  POSIX.1,  but
       that specification was replaced by the one for utimensat(2).

       A similar system call exists on Solaris.

NOTES
   Glibc Notes
       If  pathname is NULL, then the glibc futimesat() wrapper function updates the times for the file referred to by
       dirfd.

SEE ALSO
       stat(2), utimensat(2), utimes(2), futimes(3), path_resolution(7)

COLOPHON
       This page is part of release 3.22 of the Linux man-pages project.  A description of the project,  and  informa-
       tion about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.



Linux                             2008-06-05                      FUTIMESAT(2)