/**
* Take the semaphore
*/
function lib_scheduling_sema_take()
{
global $semaphore;
global $time;
// try to get the semaphore
if (my_sem_acquire_or_continue($semaphore)) {
return;
}
// Remove semaphore if it is 30sec or more old to avoid dead locks
$now = time();
if ($time && $now - $time > 30) {
lib_scheduling_warning('Scheduler::sema[deadlock]{remove semaphore}');
lib_scheduling_file_rm(lib_scheduling_config('var-path') . lib_scheduling_config('sem-key') . '.sem');
}
// Wait for the semaphore
my_sem_acquire($semaphore);
}
function lib_scheduling_file_move($from, $to)
{
if (copy($from, $to)) {
return lib_scheduling_file_rm($from);
}
return false;
}
