Apache::Session::Lock::Null - Does not actually provides mutual exclusion
use Apache::Session::Lock::Null;
my $locker = Apache::Session::Lock::Null->new;
$locker->acquire_read_lock($ref);
$locker->acquire_write_lock($ref);
$locker->release_read_lock($ref);
$locker->release_write_lock($ref);
$locker->release_all_locks($ref);
Apache::Session::Lock::Null fulfills the locking interface of Apache::Session,
without actually doing any work. This is the module to use if you want maximum
performance and don't actually need locking.
This module was written by Jeffrey William Baker <jwbaker@acm.org>.