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