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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,179 @@ | ||
| <?php declare(strict_types=1); | ||
| /* | ||
| * This file is part of PHPUnit. | ||
| * | ||
| * (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 PHPUnit\Util\PHP; | ||
|
|
||
| use PHPUnit\Event\Facade; | ||
| use PHPUnit\Framework\TestCase; | ||
| use PHPUnit\Runner\CodeCoverage; | ||
| use PHPUnit\TestRunner\TestResult\PassedTests; | ||
|
|
||
| final class PcntlFork { | ||
| // IPC inspired from https://github.com/barracudanetworks/forkdaemon-php | ||
| private const SOCKET_HEADER_SIZE = 4; | ||
|
|
||
| static public function isPcntlForkAvailable(): bool { | ||
| $disabledFunctions = ini_get('disable_functions'); | ||
|
|
||
| return | ||
| function_exists('pcntl_fork') | ||
| && !str_contains($disabledFunctions, 'pcntl') | ||
| && function_exists('socket_create_pair') | ||
| && !str_contains($disabledFunctions, 'socket') | ||
| ; | ||
| } | ||
|
|
||
| public function runTest(TestCase $test): void | ||
| { | ||
| list($socket_child, $socket_parent) = $this->ipcInit(); | ||
|
|
||
| $pid = pcntl_fork(); | ||
|
|
||
| if ($pid === -1 ) { | ||
| throw new \Exception('could not fork'); | ||
| } else if ($pid) { | ||
| // we are the parent | ||
|
|
||
| socket_close($socket_parent); | ||
|
|
||
| // read child stdout, stderr | ||
| $result = $this->socketReceive($socket_child); | ||
|
|
||
| $stderr = ''; | ||
| $stdout = ''; | ||
| if (is_array($result) && array_key_exists('error', $result)) { | ||
| $stderr = $result['error']; | ||
| } else { | ||
| $stdout = $result; | ||
| } | ||
|
|
||
| $php = AbstractPhpProcess::factory(); | ||
| $php->processChildResult($test, $stdout, $stderr); | ||
|
|
||
| } else { | ||
| // we are the child | ||
|
|
||
| socket_close($socket_child); | ||
|
|
||
| $offset = hrtime(); | ||
| $dispatcher = Facade::instance()->initForIsolation( | ||
| \PHPUnit\Event\Telemetry\HRTime::fromSecondsAndNanoseconds( | ||
| $offset[0], | ||
| $offset[1] | ||
| ) | ||
| ); | ||
|
|
||
| $test->setInIsolation(true); | ||
| try { | ||
| $test->run(); | ||
| } catch (Throwable $e) { | ||
| $this->socketSend($socket_parent, ['error' => $e->getMessage()]); | ||
| exit(); | ||
| } | ||
|
|
||
| $result = serialize( | ||
| [ | ||
| 'testResult' => $test->result(), | ||
| 'codeCoverage' => CodeCoverage::instance()->isActive() ? CodeCoverage::instance()->codeCoverage() : null, | ||
| 'numAssertions' => $test->numberOfAssertionsPerformed(), | ||
| 'output' => !$test->expectsOutput() ? $test->output() : '', | ||
| 'events' => $dispatcher->flush(), | ||
| 'passedTests' => PassedTests::instance() | ||
| ] | ||
| ); | ||
|
|
||
| // send result into parent | ||
| $this->socketSend($socket_parent, $result); | ||
| exit(); | ||
| } | ||
| } | ||
|
|
||
| private function ipcInit(): array | ||
| { | ||
| // windows needs AF_INET | ||
| $domain = strtoupper(substr(PHP_OS, 0, 3)) == 'WIN' ? AF_INET : AF_UNIX; | ||
|
|
||
| // create a socket pair for IPC | ||
| $sockets = array(); | ||
| if (socket_create_pair($domain, SOCK_STREAM, 0, $sockets) === false) | ||
| { | ||
| throw new \RuntimeException('socket_create_pair failed: ' . socket_strerror(socket_last_error())); | ||
| } | ||
|
|
||
| return $sockets; | ||
| } | ||
|
|
||
| /** | ||
| * @param resource $socket | ||
| */ | ||
| private function socketReceive($socket): mixed | ||
| { | ||
| // initially read to the length of the header size, then | ||
| // expand to read more | ||
| $bytes_total = self::SOCKET_HEADER_SIZE; | ||
| $bytes_read = 0; | ||
| $have_header = false; | ||
| $socket_message = ''; | ||
| while ($bytes_read < $bytes_total) | ||
| { | ||
| $read = @socket_read($socket, $bytes_total - $bytes_read); | ||
| if ($read === false) | ||
| { | ||
| throw new \RuntimeException('socket_receive error: ' . socket_strerror(socket_last_error())); | ||
| } | ||
|
|
||
| // blank socket_read means done | ||
| if ($read == '') | ||
| { | ||
| break; | ||
| } | ||
|
|
||
| $bytes_read += strlen($read); | ||
| $socket_message .= $read; | ||
|
|
||
| if (!$have_header && $bytes_read >= self::SOCKET_HEADER_SIZE) | ||
| { | ||
| $have_header = true; | ||
| list($bytes_total) = array_values(unpack('N', $socket_message)); | ||
| $bytes_read = 0; | ||
| $socket_message = ''; | ||
| } | ||
| } | ||
|
|
||
| return @unserialize($socket_message); | ||
| } | ||
|
|
||
| /** | ||
| * @param resource $socket | ||
| * @param mixed $message | ||
| */ | ||
| private function socketSend($socket, $message): void | ||
| { | ||
| $serialized_message = @serialize($message); | ||
| if ($serialized_message == false) | ||
| { | ||
| throw new \RuntimeException('socket_send failed to serialize message'); | ||
| } | ||
|
|
||
| $header = pack('N', strlen($serialized_message)); | ||
| $data = $header . $serialized_message; | ||
| $bytes_left = strlen($data); | ||
| while ($bytes_left > 0) | ||
| { | ||
| $bytes_sent = @socket_write($socket, $data); | ||
| if ($bytes_sent === false) | ||
| { | ||
| throw new \RuntimeException('socket_send failed to write to socket'); | ||
| } | ||
|
|
||
| $bytes_left -= $bytes_sent; | ||
| $data = substr($data, $bytes_sent); | ||
| } | ||
| } | ||
| } |