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       dpns_setatime  - set last access time for a regular file to the current


       #include <sys/types.h>
       #include "dpns_api.h"

       int dpns_setatime (const char *path, struct dpns_fileid *file_uniqueid)


       dpns_setatime  sets  the  last  access  time  for a regular file to the
       current time.  This function should only be called by the stager  after
       the  file  has  been  successfully  recalled  and  every time a stagein
       requests this file, even if the file already resides in the disk  pool.
       The  file  can be identified by path name or by file_uniqueid.  If both
       are specified, file_uniqueid is used.

       path   specifies the logical pathname  relative  to  the  current  DPNS
              directory or the full DPNS pathname.


       This  routine  returns  0  if the operation was successful or -1 if the
       operation failed. In the latter case, serrno is set appropriately.


       ENOENT       The named file does not exist or is a null pathname.

       EACCES       Search permission is denied on a  component  of  the  path
                    prefix  or the caller effective user ID does not match the
                    owner ID of the file or read permission on the file itself
                    is denied.

       EFAULT       path and file_uniqueid are NULL pointers.

       ENOTDIR      A component of path prefix is not a directory.

       EISDIR       The file is not a regular file.

       ENAMETOOLONG The  length of path exceeds CA_MAXPATHLEN or the length of
                    a path component exceeds CA_MAXNAMELEN.

       SENOSHOST    Host unknown.

       SENOSSERV    Service unknown.

       SECOMERR     Communication error.

       ENSNACT      Name server is not running or is being shutdown.


       Castor_limits(4), dpns_chdir(3), dpns_stat(3), dpns_statg(3)


       LCG Grid Deployment Team