public static function initialize()
{
if (!self::$router) {
$router = new self();
// If pcntl_signal() does not exist (particularly, on Windows), just
// don't install signal handlers.
if (function_exists('pcntl_signal')) {
pcntl_signal(SIGHUP, array($router, 'routeSignal'));
pcntl_signal(SIGTERM, array($router, 'routeSignal'));
}
self::$router = $router;
}
return self::getRouter();
}
public final function __construct(array $argv)
{
$this->argv = $argv;
$router = PhutilSignalRouter::getRouter();
$handler_key = 'daemon.term';
if (!$router->getHandler($handler_key)) {
$handler = new PhutilCallbackSignalHandler(SIGTERM, __CLASS__ . '::onTermSignal');
$router->installHandler($handler_key, $handler);
}
pcntl_signal(SIGINT, array($this, 'onGracefulSignal'));
pcntl_signal(SIGUSR2, array($this, 'onNotifySignal'));
// Without discard mode, this consumes unbounded amounts of memory. Keep
// memory bounded.
PhutilServiceProfiler::getInstance()->enableDiscardMode();
$this->beginStdoutCapture();
}
function __phutil_init_script__()
{
// Adjust the runtime language configuration to be reasonable and inline with
// expectations. We do this first, then load libraries.
// There may be some kind of auto-prepend script configured which starts an
// output buffer. Discard any such output buffers so messages can be sent to
// stdout (if a user wants to capture output from a script, there are a large
// number of ways they can accomplish it legitimately; historically, we ran
// into this on only one install which had some bizarre configuration, but it
// was difficult to diagnose because the symptom is "no messages of any
// kind").
while (ob_get_level() > 0) {
ob_end_clean();
}
error_reporting(E_ALL | E_STRICT);
$config_map = array('display_errors' => true, 'log_errors' => true, 'error_log' => null, 'xdebug.max_nesting_level' => PHP_INT_MAX, 'memory_limit' => -1);
foreach ($config_map as $config_key => $config_value) {
ini_set($config_key, $config_value);
}
if (!ini_get('date.timezone')) {
// If the timezone isn't set, PHP issues a warning whenever you try to parse
// a date (like those from Git or Mercurial logs), even if the date contains
// timezone information (like "PST" or "-0700") which makes the
// environmental timezone setting is completely irrelevant. We never rely on
// the system timezone setting in any capacity, so prevent PHP from flipping
// out by setting it to a safe default (UTC) if it isn't set to some other
// value.
date_default_timezone_set('UTC');
}
// Adjust `include_path`.
ini_set('include_path', implode(PATH_SEPARATOR, array(dirname(dirname(__FILE__)) . '/externals/includes', ini_get('include_path'))));
// Disable the insanely dangerous XML entity loader by default.
if (function_exists('libxml_disable_entity_loader')) {
libxml_disable_entity_loader(true);
}
// Now, load libphutil.
$root = dirname(dirname(__FILE__));
require_once $root . '/src/__phutil_library_init__.php';
PhutilErrorHandler::initialize();
$router = PhutilSignalRouter::initialize();
$handler = new PhutilBacktraceSignalHandler();
$router->installHandler('phutil.backtrace', $handler);
}
