* @param mixed
* @return void
*/
public static function scheduleCacheWrite($k, &$v)
{
if (!self::$hasSchCacheTrig) {
register_shutdown_function(array('SVN', 'finalize'));
self::$hasSchCacheTrig = true;
}
self::$scheduledCacheWrites[$k] =& $v;
}
/** @ignore */
public static function finalize()
{
foreach (self::$scheduledCacheWrites as $k => $v) {
$tmpfile = '/tmp/' . $k . '.lock';
if (!($fp = fopen($tmpfile, 'w'))) {
throw new IOException("Failed to create lock file '{$tmpfile}'");
}
flock($fp, LOCK_EX);
# check AGAIN after we get the lock. Maybe someone was faster than us...
if (apc_fetch($k) === false) {
apc_store($k, $v, SVN::$apcTTL);
}
fclose($fp);
@unlink($tmpfile);
}
}
}
SVN::$apcEnabled = function_exists('apc_fetch');
