Kill worker forks

Forking for workers is just not a good idea… it's too likely to be used irresponsibly.

lib/Worker/WorkerFork.php

@@ -1,19 +0,0 @@
-<?php
-
-namespace Amp\Parallel\Worker;
-
-use Amp\Promise;
-use Amp\Parallel\Forking\Fork;
-use Amp\Parallel\Worker\Internal\TaskRunner;
-
-/**
- * A worker thread that executes task objects.
- */
-class WorkerFork extends AbstractWorker {
-    public function __construct() {
-        parent::__construct(new Fork(function (): Promise {
-            $runner = new TaskRunner($this, new BasicEnvironment);
-            return $runner->run();
-        }));
-    }
-}

test/Worker/ForkPoolTest.php

@@ -1,20 +0,0 @@
-<?php
-
-namespace Amp\Parallel\Test\Worker;
-
-use Amp\Parallel\Worker\{ DefaultPool, WorkerFactory, WorkerFork };
-
-/**
- * @group forking
- * @requires extension pcntl
- */
-class ForkPoolTest extends AbstractPoolTest {
-    protected function createPool($min = null, $max = null) {
-        $factory = $this->createMock(WorkerFactory::class);
-        $factory->method('create')->will($this->returnCallback(function () {
-            return new WorkerFork;
-        }));
-
-        return new DefaultPool($min, $max, $factory);
-    }
-}

test/Worker/WorkerForkTest.php

@@ -1,15 +0,0 @@
-<?php
-
-namespace Amp\Parallel\Test\Worker;
-
-use Amp\Parallel\Worker\WorkerFork;
-
-/**
- * @group forking
- * @requires extension pcntl
- */
-class WorkerForkTest extends AbstractWorkerTest {
-    protected function createWorker() {
-        return new WorkerFork;
-    }
-}