function lock_data()
{
if (($tok = @ftok(FTOK_PATH."/challenges", "B")) == -1) {
- echo "FTOK FAILED";
- exit;
+ return (FALSE);
}
// echo "FTOK ".$tok."<br>";
if (($res = sem_get($tok)) == FALSE) {
- echo "SEM_GET FAILED";
- exit;
+ return (FALSE);
}
if (sem_acquire($res)) {
log_lock("LOCK challenges");