/**
* $mode LOCK_SH | LOCK_EX
*/
public static function lock($mode, $lock_file_name = 'global')
{
if (self::$_fIsLocked) {
return false;
}
$lock_file = CConf::get('cache_dir') . $lock_file_name . '.lock';
self::$_fLockFileHandler = new CFile($lock_file);
self::$_fLockFileHandler->open('w');
if (!self::$_fLockFileHandler->isError()) {
CProfiler::lockStart();
self::$_fLockFileHandler->lock($mode);
CProfiler::lockStop();
self::$_fIsLocked = true;
return true;
} else {
return false;
}
}
