From f618b98b6cbf27ca604ffa7782e75ececee430a1 Mon Sep 17 00:00:00 2001 From: Nicolas Grekas Date: Sun, 22 Mar 2020 21:08:25 +0100 Subject: [PATCH] [HttpKernel] fix locking for PHP 7.4+ --- src/Symfony/Component/HttpKernel/Kernel.php | 56 ++++++--------------- 1 file changed, 14 insertions(+), 42 deletions(-) diff --git a/src/Symfony/Component/HttpKernel/Kernel.php b/src/Symfony/Component/HttpKernel/Kernel.php index d6f5a462d6e9b..958e049bf06e7 100644 --- a/src/Symfony/Component/HttpKernel/Kernel.php +++ b/src/Symfony/Component/HttpKernel/Kernel.php @@ -38,9 +38,6 @@ use Symfony\Component\HttpKernel\DependencyInjection\AddAnnotatedClassesToCachePass; use Symfony\Component\HttpKernel\DependencyInjection\MergeExtensionConfigurationPass; -// Help opcache.preload discover always-needed symbols -class_exists(ConfigCache::class); - /** * The Kernel is the heart of the Symfony system. * @@ -533,47 +530,20 @@ protected function initializeContainer() try { is_dir($cacheDir) ?: mkdir($cacheDir, 0777, true); - if ($lock = fopen($cachePath, 'w')) { - chmod($cachePath, 0666 & ~umask()); + if ($lock = fopen($cachePath.'.lock', 'w')) { flock($lock, LOCK_EX | LOCK_NB, $wouldBlock); if (!flock($lock, $wouldBlock ? LOCK_SH : LOCK_EX)) { fclose($lock); - } else { - $cache = new class($cachePath, $this->debug) extends ConfigCache { - public $lock; - - public function write($content, array $metadata = null) - { - rewind($this->lock); - ftruncate($this->lock, 0); - fwrite($this->lock, $content); - - if (null !== $metadata) { - file_put_contents($this->getPath().'.meta', serialize($metadata)); - @chmod($this->getPath().'.meta', 0666 & ~umask()); - } - - if (\function_exists('opcache_invalidate') && filter_var(ini_get('opcache.enable'), FILTER_VALIDATE_BOOLEAN)) { - @opcache_invalidate($this->getPath(), true); - } - } - - public function release() - { - flock($this->lock, LOCK_UN); - fclose($this->lock); - } - }; - $cache->lock = $lock; - - if (!\is_object($this->container = include $cachePath)) { - $this->container = null; - } elseif (!$oldContainer || \get_class($this->container) !== $oldContainer->name) { - $this->container->set('kernel', $this); - - return; - } + $lock = null; + } elseif (!\is_object($this->container = include $cachePath)) { + $this->container = null; + } elseif (!$oldContainer || \get_class($this->container) !== $oldContainer->name) { + flock($lock, LOCK_UN); + fclose($lock); + $this->container->set('kernel', $this); + + return; } } } catch (\Throwable $e) { @@ -637,8 +607,10 @@ public function release() } $this->dumpContainer($cache, $container, $class, $this->getContainerBaseClass()); - if (method_exists($cache, 'release')) { - $cache->release(); + + if ($lock) { + flock($lock, LOCK_UN); + fclose($lock); } $this->container = require $cachePath; pFad - Phonifier reborn

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