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<?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 RectorPrefix202411\Symfony\Component\Process\Pipes;

use RectorPrefix202411\Symfony\Component\Process\Exception\RuntimeException;
use RectorPrefix202411\Symfony\Component\Process\Process;
/**
 * WindowsPipes implementation uses temporary files as handles.
 *
 * @see https://bugs.php.net/51800
 * @see https://bugs.php.net/65650
 *
 * @author Romain Neutron <imprec@gmail.com>
 *
 * @internal
 */
class WindowsPipes extends AbstractPipes
{
    /**
     * @var mixed[]
     */
    private $files = [];
    /**
     * @var mixed[]
     */
    private $fileHandles = [];
    /**
     * @var mixed[]
     */
    private $lockHandles = [];
    /**
     * @var mixed[]
     */
    private $readBytes = [Process::STDOUT => 0, Process::STDERR => 0];
    /**
     * @var bool
     */
    private $haveReadSupport;
    /**
     * @param mixed $input
     */
    public function __construct($input, bool $haveReadSupport)
    {
        $this->haveReadSupport = $haveReadSupport;
        if ($this->haveReadSupport) {
            // Fix for PHP bug #51800: reading from STDOUT pipe hangs forever on Windows if the output is too big.
            // Workaround for this problem is to use temporary files instead of pipes on Windows platform.
            //
            // @see https://bugs.php.net/51800
            $pipes = [Process::STDOUT => Process::OUT, Process::STDERR => Process::ERR];
            $tmpDir = \sys_get_temp_dir();
            $lastError = 'unknown reason';
            \set_error_handler(function ($type, $msg) use(&$lastError) {
                $lastError = $msg;
            });
            for ($i = 0;; ++$i) {
                foreach ($pipes as $pipe => $name) {
                    $file = \sprintf('%s\\sf_proc_%02X.%s', $tmpDir, $i, $name);
                    if (!($h = \fopen($file . '.lock', 'w'))) {
                        if (\file_exists($file . '.lock')) {
                            continue 2;
                        }
                        \restore_error_handler();
                        throw new RuntimeException('A temporary file could not be opened to write the process output: ' . $lastError);
                    }
                    if (!\flock($h, \LOCK_EX | \LOCK_NB)) {
                        continue 2;
                    }
                    if (isset($this->lockHandles[$pipe])) {
                        \flock($this->lockHandles[$pipe], \LOCK_UN);
                        \fclose($this->lockHandles[$pipe]);
                    }
                    $this->lockHandles[$pipe] = $h;
                    if (!($h = \fopen($file, 'w')) || !\fclose($h) || !($h = \fopen($file, 'r'))) {
                        \flock($this->lockHandles[$pipe], \LOCK_UN);
                        \fclose($this->lockHandles[$pipe]);
                        unset($this->lockHandles[$pipe]);
                        continue 2;
                    }
                    $this->fileHandles[$pipe] = $h;
                    $this->files[$pipe] = $file;
                }
                break;
            }
            \restore_error_handler();
        }
        parent::__construct($input);
    }
    public function __sleep() : array
    {
        throw new \BadMethodCallException('Cannot serialize ' . __CLASS__);
    }
    public function __wakeup() : void
    {
        throw new \BadMethodCallException('Cannot unserialize ' . __CLASS__);
    }
    public function __destruct()
    {
        $this->close();
    }
    public function getDescriptors() : array
    {
        if (!$this->haveReadSupport) {
            $nullstream = \fopen('NUL', 'c');
            return [['pipe', 'r'], $nullstream, $nullstream];
        }
        // We're not using pipe on Windows platform as it hangs (https://bugs.php.net/51800)
        // We're not using file handles as it can produce corrupted output https://bugs.php.net/65650
        // So we redirect output within the commandline and pass the nul device to the process
        return [['pipe', 'r'], ['file', 'NUL', 'w'], ['file', 'NUL', 'w']];
    }
    public function getFiles() : array
    {
        return $this->files;
    }
    public function readAndWrite(bool $blocking, bool $close = \false) : array
    {
        $this->unblock();
        $w = $this->write();
        $read = $r = $e = [];
        if ($blocking) {
            if ($w) {
                @\stream_select($r, $w, $e, 0, Process::TIMEOUT_PRECISION * 1000000.0);
            } elseif ($this->fileHandles) {
                \usleep((int) (Process::TIMEOUT_PRECISION * 1000000.0));
            }
        }
        foreach ($this->fileHandles as $type => $fileHandle) {
            $data = \stream_get_contents($fileHandle, -1, $this->readBytes[$type]);
            if (isset($data[0])) {
                $this->readBytes[$type] += \strlen($data);
                $read[$type] = $data;
            }
            if ($close) {
                \ftruncate($fileHandle, 0);
                \fclose($fileHandle);
                \flock($this->lockHandles[$type], \LOCK_UN);
                \fclose($this->lockHandles[$type]);
                unset($this->fileHandles[$type], $this->lockHandles[$type]);
            }
        }
        return $read;
    }
    public function haveReadSupport() : bool
    {
        return $this->haveReadSupport;
    }
    public function areOpen() : bool
    {
        return $this->pipes && $this->fileHandles;
    }
    public function close() : void
    {
        parent::close();
        foreach ($this->fileHandles as $type => $handle) {
            \ftruncate($handle, 0);
            \fclose($handle);
            \flock($this->lockHandles[$type], \LOCK_UN);
            \fclose($this->lockHandles[$type]);
        }
        $this->fileHandles = $this->lockHandles = [];
    }
}

Batal

⬅ process 4 item

Nama	Tipe	Ukuran	Diubah	Perm	Aksi
🐘 AbstractPipes.php	php	5.1 KB	08/11/24 20:59	0644	✏️ ⬇
🐘 PipesInterface.php	php	1.5 KB	08/11/24 20:59	0644	✏️ ⬇
🐘 UnixPipes.php	php	3.7 KB	08/11/24 20:59	0644	✏️ ⬇
🐘 WindowsPipes.php	php	5.9 KB	08/11/24 20:59	0644	✏️ ⬇

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