public function actionProcessSMS()
{
define('LOCK_SUFFIX', '.locksms');
if (($pid = cronHelper::lock()) !== FALSE) {
echo 'cron running sms';
$this->ProcessSMS();
sleep(1);
// Cron job code for demonstration
cronHelper::unlock();
} else {
echo "CRON LOCK";
}
}
public static function lock()
{
global $argv;
$lock_file = LOCK_DIR . basename($argv[0] . LOCK_SUFFIX);
if (file_exists($lock_file)) {
self::$pid = file_get_contents($lock_file);
if (self::isrunning()) {
error_log("==" . self::$pid . "== Already in progress...");
return FALSE;
} else {
error_log("==" . self::$pid . "== Previous job died abruptly...");
}
}
self::$pid = getmypid();
file_put_contents($lock_file, self::$pid);
error_log("==" . self::$pid . "== Lock acquired, processing the job...");
return self::$pid;
}
