Initial commit

vendor/phpunit/php-invoker/src/Invoker.php

@@ -0,0 +1,65 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of phpunit/php-invoker.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\Invoker;
+
+use const SIGALRM;
+use function call_user_func_array;
+use function extension_loaded;
+use function function_exists;
+use function pcntl_alarm;
+use function pcntl_async_signals;
+use function pcntl_signal;
+use function sprintf;
+use Throwable;
+
+final class Invoker
+{
+    /**
+     * @param array<mixed> $arguments
+     *
+     * @throws Throwable
+     */
+    public function invoke(callable $callable, array $arguments, int $timeout): mixed
+    {
+        if (!$this->canInvokeWithTimeout()) {
+            // @codeCoverageIgnoreStart
+            throw new ProcessControlExtensionNotLoadedException;
+            // @codeCoverageIgnoreEnd
+        }
+
+        pcntl_signal(
+            SIGALRM,
+            static function () use ($timeout): void
+            {
+                throw new TimeoutException(
+                    sprintf(
+                        'Execution aborted after %d second%s',
+                        $timeout,
+                        $timeout === 1 ? '' : 's',
+                    ),
+                );
+            },
+        );
+
+        pcntl_async_signals(true);
+        pcntl_alarm($timeout);
+
+        try {
+            return call_user_func_array($callable, $arguments);
+        } finally {
+            pcntl_alarm(0);
+        }
+    }
+
+    public function canInvokeWithTimeout(): bool
+    {
+        return extension_loaded('pcntl') && function_exists('pcntl_signal') && function_exists('pcntl_async_signals') && function_exists('pcntl_alarm');
+    }
+}

vendor/phpunit/php-invoker/src/exceptions/Exception.php

@@ -0,0 +1,16 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of phpunit/php-invoker.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\Invoker;
+
+use Throwable;
+
+interface Exception extends Throwable
+{
+}

vendor/phpunit/php-invoker/src/exceptions/ProcessControlExtensionNotLoadedException.php

@@ -0,0 +1,41 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of phpunit/php-invoker.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\Invoker;
+
+use function extension_loaded;
+use function function_exists;
+use function implode;
+use RuntimeException;
+
+final class ProcessControlExtensionNotLoadedException extends RuntimeException implements Exception
+{
+    public function __construct()
+    {
+        $message = [];
+
+        if (!extension_loaded('pcntl')) {
+            $message[] = 'The pcntl (process control) extension for PHP must be loaded.';
+        }
+
+        if (!function_exists('pcntl_signal')) {
+            $message[] = 'The pcntl_signal() function must not be disabled.';
+        }
+
+        if (!function_exists('pcntl_async_signals')) {
+            $message[] = 'The pcntl_async_signals() function must not be disabled.';
+        }
+
+        if (!function_exists('pcntl_alarm')) {
+            $message[] = 'The pcntl_alarm() function must not be disabled.';
+        }
+
+        parent::__construct(implode(PHP_EOL, $message));
+    }
+}

vendor/phpunit/php-invoker/src/exceptions/TimeoutException.php

@@ -0,0 +1,16 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of phpunit/php-invoker.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\Invoker;
+
+use RuntimeException;
+
+final class TimeoutException extends RuntimeException implements Exception
+{
+}