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File / Folder	Size	Action
.	-
SignalMap.php	0.885KB	edt ren
SignalRegistry.php	1.378KB	edt ren

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\SignalRegistry;

final class SignalRegistry
{
    private array $signalHandlers = [];

public function __construct()
    {
        if (\function_exists('pcntl_async_signals')) {
            pcntl_async_signals(true);
        }
    }

public function register(int $signal, callable $signalHandler): void
    {
        if (!isset($this->signalHandlers[$signal])) {
            $previousCallback = pcntl_signal_get_handler($signal);

if (\is_callable($previousCallback)) {
                $this->signalHandlers[$signal][] = $previousCallback;
            }
        }

$this->signalHandlers[$signal][] = $signalHandler;

pcntl_signal($signal, $this->handle(...));
    }

public static function isSupported(): bool
    {
        return \function_exists('pcntl_signal');
    }

/**
     * @internal
     */
    public function handle(int $signal): void
    {
        $count = \count($this->signalHandlers[$signal]);

foreach ($this->signalHandlers[$signal] as $i => $signalHandler) {
            $hasNext = $i !== $count - 1;
            $signalHandler($signal, $hasNext);
        }
    }
}

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