add DaemonCommand for daemon players

adjust http_header available

src/ZM/Command/DaemonReloadCommand.php

@@ -0,0 +1,24 @@
+<?php
+
+
+namespace ZM\Command;
+
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class DaemonReloadCommand extends DaemonCommand
+{
+    protected static $defaultName = 'daemon:reload';
+
+    protected function configure() {
+        $this->setDescription("重载守护进程下的用户代码（仅限--daemon模式可用）");
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output) {
+        parent::execute($input, $output);
+        system("kill -USR1 " . intval($this->daemon_file["pid"]));
+        $output->writeln("<info>成功重载！</info>");
+        return Command::SUCCESS;
+    }
+}