/**
* Release the global database lock
**/
private static function release_lock()
{
global $DB;
if (self::$lockname) {
$DB->releaseLock(self::$lockname);
self::$lockname = '';
}
}
/**
* Get a global database lock
**/
private static function get_lock()
{
global $DB;
// Changer de nom toutes les heures en cas de blocage MySQL (ca arrive)
$nom = $DB->dbdefault . ".glpicron." . intval(time() / HOUR_TIMESTAMP - 340000);
$nom = addslashes($nom);
$query = "SELECT GET_LOCK('{$nom}', 0)";
$result = $DB->query($query);
list($lock_ok) = $DB->fetch_array($result);
if ($lock_ok) {
self::$lockname = $nom;
}
return $lock_ok;
}