02-19-2013
Access time of files and directories
My query please:
What I saw how access times of a file and directories work.
1) For a file the access time is the time when I 1st access it after last modification of the file, i.e., if the file is modified at 10 AM and then I access it at 11 AM. After than whenever I access without modifying the file the access time remains same as 11 AM.
while copying a file also the access time doesn't change!! Am I right? What's then the significance?
2) For a directory I had the same experience.
If I don't get the latest time when I accessed, then what's the significance of this type of behavior.
Thanks!
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LEARN ABOUT DEBIAN
gfs_utimes
GFS_UTIMES(3) GFS_UTIMES(3)
NAME
gfs_utimes - set file access and modification times
SYNOPSIS
#include <gfarm/gfarm.h>
char *gfs_utimes (const char * gfarm_url, const struct gfarm_timespec * tsp);
DESCRIPTION
gfs_utimes() sets the access and modification times of the file pointed to by the gfarm_url argument to the value of the tsp argument. The
tsp argument is an array of gfarm_timespec structures. The first array member represents the access time, and the second member represents
the modification time. The gfarm_timespec structure is:
struct gfarm_timespec {
unsigned int tv_sec; /* seconds */
unsigned int tv_nsec; /* nanoseconds */
};
If the tsp argument is a null pointer, the access and modification times of the file are set to the current time.
RETURN VALUES
NULL The function terminated successfully.
GFARM_ERR_GFARM_URL_PREFIX_IS_MISSING
gfarm_url does not start with the gfarm: prefix.
GFARM_ERR_NO_MEMORY
Insufficient memory was available.
GFARM_ERR_AUTHENTICATION
User authentication failed when connecting to gfmd(8).
GFARM_ERR_PERMISSION_DENIED
gfarm_url points outside your accessible address space.
GFARM_ERR_NO_SUCH_OBJECT
gfarm_url does not exist.
Others An error except the above occurred. The reason is shown by its pointed strings.
SEE ALSO
gfs_stat(3)
Gfarm 04 December 2003 GFS_UTIMES(3)