Aerys\WatcherProcess::accept PHP Method

    private function accept($watcherId, $ipcServer)
    {
        if (!($ipcClient = @stream_socket_accept($ipcServer, $timeout = 0))) {
            return;
        }
        if ($this->stopPromisor) {
            @\fwrite($ipcClient, "\n");
        }
        stream_set_blocking($ipcClient, false);
        $parser = $this->parser($ipcClient);
        $readWatcherId = \Amp\onReadable($ipcClient, function () use($parser) {
            $parser->next();
        });
        $this->ipcClients[$readWatcherId] = $ipcClient;
        $parser->send($readWatcherId);
        assert(!empty($this->spawnPromisors));
        array_shift($this->spawnPromisors)->succeed();
    }