dpns_setratime - set replica last access (read) date
int dpns_setratime (const char *sfn)
dpns_setratime set the replica last access (read) date to the current
time and increments the counter of accesses to the replica. This
function should be called everytime a file replica is accessed.
sfn is the Physical File Name for the replica.
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 replica does not exist.
EACCES Search permission is denied on a component of the file
prefix or the caller effective user ID does not match the
owner ID of the file or read permission on the file itself
EFAULT sfn is a NULL pointer.
ENAMETOOLONG The length of sfn exceeds CA_MAXSFNLEN.
SENOSHOST Host unknown.
SENOSSERV Service unknown.
SECOMERR Communication error.
ENSNACT Name server is not running or is being shutdown.