update for pthreads-free raklib

src/network/mcpe/raklib/PthreadsChannelWriter.php

@@ -0,0 +1,40 @@
+<?php
+
+/*
+ * RakLib network library
+ *
+ *
+ * This project is not affiliated with Jenkins Software LLC nor RakNet.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ */
+
+declare(strict_types=1);
+
+namespace pocketmine\network\mcpe\raklib;
+
+use pocketmine\snooze\SleeperNotifier;
+use raklib\server\ipc\InterThreadChannelWriter;
+
+final class PthreadsChannelWriter implements InterThreadChannelWriter{
+	/** @var \Threaded */
+	private $buffer;
+	/** @var SleeperNotifier|null */
+	private $notifier;
+
+	public function __construct(\Threaded $buffer, ?SleeperNotifier $notifier = null){
+		$this->buffer = $buffer;
+		$this->notifier = $notifier;
+	}
+
+	public function write(string $str) : void{
+		$this->buffer[] = $str;
+		if($this->notifier !== null){
+			$this->notifier->wakeupSleeper();
+		}
+	}
+}