public function routeSignal($signo)
{
$exceptions = array();
$handlers = $this->handlers;
foreach ($handlers as $key => $handler) {
try {
if ($handler->canHandleSignal($this, $signo)) {
$handler->handleSignal($this, $signo);
}
} catch (Exception $ex) {
$exceptions[] = $ex;
}
}
if ($exceptions) {
throw new PhutilAggregateException(pht('Signal handlers raised exceptions while handling "%s".', phutil_get_signal_name($signo)));
}
switch ($signo) {
case SIGTERM:
// Normally, PHP doesn't invoke destructors when exiting in response to
// a signal. This forces it to do so, so we have a fighting chance of
// releasing any locks, leases or resources on our way out.
exit(128 + $signo);
}
}
public function didReceiveTerminalSignal($signo)
{
if ($this->inAbruptShutdown) {
exit(128 + $signo);
}
$this->inAbruptShutdown = true;
$signame = phutil_get_signal_name($signo);
if ($signame) {
$sigmsg = "Shutting down in response to signal {$signo} ({$signame}).";
} else {
$sigmsg = "Shutting down in response to signal {$signo}.";
}
$this->logMessage('EXIT', $sigmsg, $signo);
@fflush(STDOUT);
@fflush(STDERR);
@fclose(STDOUT);
@fclose(STDERR);
$this->annihilateProcessGroup();
$this->dispatchEvent(self::EVENT_WILL_EXIT);
exit(128 + $signo);
}
public final function cleanup($signo = null)
{
global $g_future;
if ($g_future) {
$g_future->resolveKill();
$g_future = null;
}
Filesystem::remove($this->getPIDPath());
if ($signo !== null) {
$signame = phutil_get_signal_name($signo);
error_log("Caught signal {$signame}, exiting.");
}
exit(1);
}
public function didReceiveTerminalSignal($signo)
{
$signame = phutil_get_signal_name($signo);
if ($signame) {
$sigmsg = pht('Shutting down in response to signal %s (%s).', $signo, $signame);
} else {
$sigmsg = pht('Shutting down in response to signal %s.', $signo);
}
$this->logMessage('EXIT', $sigmsg, $signo);
$this->annihilateProcessGroup();
$this->dispatchEvent(self::EVENT_WILL_EXIT);
}
private static function didCatchSignal($signo)
{
$signame = phutil_get_signal_name($signo);
fprintf(STDERR, "%s Caught signal %s (%s).\n", '<SGNL>', $signo, $signame);
}
public function didReceiveTerminalSignal($signo)
{
$this->shouldShutdown = true;
$this->shouldRestart = false;
$signame = phutil_get_signal_name($signo);
if ($signame) {
$sigmsg = pht('Shutting down in response to signal %s (%s).', $signo, $signame);
} else {
$sigmsg = pht('Shutting down in response to signal %s.', $signo);
}
$this->logMessage('EXIT', $sigmsg, $signo);
$this->annihilateProcessGroup();
}
