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

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

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

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

       This system call is obsolete.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.

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

       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.

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

       futimesat() was added to Linux in kernel 2.6.16.

       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.

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

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

       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

Linux                             2008-06-05                      FUTIMESAT(2)