futimesat man page on ElementaryOS

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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
       #include <fcntl.h> /* Definition of AT_* constants */
       #include <sys/time.h>

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

   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

       futimesat(): _GNU_SOURCE

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       This system call is obsolete.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 futime‐
       sat().  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; library support was
       added to glibc in version 2.4.

CONFORMING TO
       This system call is nonstandard.	 It was implemented from a  specifica‐
       tion 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 3.54 of the Linux man-pages project.  A
       description of the project, and information about reporting  bugs,  can
       be found at http://www.kernel.org/doc/man-pages/.

Linux				  2012-05-10			  FUTIMESAT(2)
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