1futimesat(2)                  System Calls Manual                 futimesat(2)
2
3
4

NAME

6       futimesat  -  change  timestamps of a file relative to a directory file
7       descriptor
8

LIBRARY

10       Standard C library (libc, -lc)
11

SYNOPSIS

13       #include <fcntl.h>            /* Definition of AT_* constants */
14       #include <sys/time.h>
15
16       [[deprecated]] int futimesat(int dirfd, const char *pathname,
17                                    const struct timeval times[2]);
18
19   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
20
21       futimesat():
22           _GNU_SOURCE
23

DESCRIPTION

25       This system call is obsolete.  Use utimensat(2) instead.
26
27       The futimesat() system  call  operates  in  exactly  the  same  way  as
28       utimes(2), except for the differences described in this manual page.
29
30       If  the  pathname given in pathname is relative, then it is interpreted
31       relative to the directory referred to  by  the  file  descriptor  dirfd
32       (rather  than  relative to the current working directory of the calling
33       process, as is done by utimes(2) for a relative pathname).
34
35       If pathname is relative and dirfd is the special value  AT_FDCWD,  then
36       pathname  is  interpreted  relative to the current working directory of
37       the calling process (like utimes(2)).
38
39       If pathname is absolute, then dirfd is ignored.  (See openat(2) for  an
40       explanation of why the dirfd argument is useful.)
41

RETURN VALUE

43       On  success, futimesat() returns a 0.  On error, -1 is returned and er‐
44       rno is set to indicate the error.
45

ERRORS

47       The same errors that occur for utimes(2) can  also  occur  for  futime‐
48       sat().  The following additional errors can occur for futimesat():
49
50       EBADF  pathname  is  relative but dirfd is neither AT_FDCWD nor a valid
51              file descriptor.
52
53       ENOTDIR
54              pathname is relative and dirfd is a file descriptor referring to
55              a file other than a directory.
56

VERSIONS

58   glibc
59       If  pathname  is  NULL, then the glibc futimesat() wrapper function up‐
60       dates the times for the file referred to by dirfd.
61

STANDARDS

63       None.
64

HISTORY

66       Linux 2.6.16, glibc 2.4.
67
68       It was implemented from a specification that was proposed for  POSIX.1,
69       but that specification was replaced by the one for utimensat(2).
70
71       A similar system call exists on Solaris.
72

NOTES

SEE ALSO
75       stat(2), utimensat(2), utimes(2), futimes(3), path_resolution(7)
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79Linux man-pages 6.05              2023-03-30                      futimesat(2)



        

    


            
        

        

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