Differential D11898 Diff 28675 src/daemon/PhutilDaemonHandle.php

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src/daemon/PhutilDaemonHandle.php

Show First 20 Lines • Show All 335 Lines • ▼ Show 20 Lines	final class PhutilDaemonHandle {

public function didReceiveNotifySignal($signo) {		public function didReceiveNotifySignal($signo) {
$pid = $this->pid;		$pid = $this->pid;
if ($pid) {		if ($pid) {
posix_kill($pid, $signo);		posix_kill($pid, $signo);
}		}
}		}

		public function didReceiveReloadSignal($signo) {
		$signame = phutil_get_signal_name($signo);
		if ($signame) {
		$sigmsg = pht(
		'Reloading in response to signal %d (%s).',
		$signo,
		$signame);
		} else {
		$sigmsg = pht(
		'Reloading in response to signal %d.',
		$signo);
		}

		$this->logMessage('RELO', $sigmsg, $signo);

		// This signal means "stop the current process gracefully, then launch
		// a new identical process once it exits". This can be used to update
		// daemons after code changes (the new processes will run the new code)
		// without aborting any running tasks.

		// We SIGINT the daemon but don't set the shutdown flag, so it will
		// naturally be restarted after it exits, as though it had exited after an
		// unhandled exception.

		$pid = $this->pid;
		exec("kill -INT {$pid}");
		}

public function didReceiveGracefulSignal($signo) {		public function didReceiveGracefulSignal($signo) {
$this->shouldShutdown = true;		$this->shouldShutdown = true;
if (!$this->isRunning()) {		if (!$this->isRunning()) {
// If we aren't running a daemon, emit this event now. Otherwise, we'll		// If we aren't running a daemon, emit this event now. Otherwise, we'll
// emit it when the daemon exits.		// emit it when the daemon exits.
$this->dispatchEvent(self::EVENT_WILL_EXIT);		$this->dispatchEvent(self::EVENT_WILL_EXIT);
}		}

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