Fixes for PcntlSingals in windows (#20)

fixes for windows compatible

src/SAREhub/Commons/Process/PcntlSignals.php

@@ -2,6 +2,20 @@
 
 namespace SAREhub\Commons\Process;
 
+if (PcntlSignals::isSupported()) {
+	define('PcntlSignals_SIGHUP', \SIGHUP);
+	define('PcntlSignals_SIGINT', \SIGINT);
+	define('PcntlSignals_SIGTERM', \SIGTERM);
+	define('PcntlSignals_SIGPIPE', \SIGPIPE);
+	define('PcntlSignals_SIGUSR1', \SIGUSR1);
+} else {
+	define('PcntlSignals_SIGHUP', 1);
+	define('PcntlSignals_SIGINT', 2);
+	define('PcntlSignals_SIGTERM', 15);
+	define('PcntlSignals_SIGPIPE', 13);
+	define('PcntlSignals_SIGUSR1', 10);
+}
+
 /**
  * Helper class for handling linux signals.
  * Installed signals:
@@ -13,6 +27,12 @@
  */
 class PcntlSignals {
 
+	const SIGHUP = PcntlSignals_SIGHUP;
+	const SIGINT = PcntlSignals_SIGINT;
+	const SIGTERM = PcntlSignals_SIGTERM;
+	const SIGPIPE = PcntlSignals_SIGPIPE;
+	const SIGUSR1 = PcntlSignals_SIGUSR1;
+
 	const DEFAULT_NAMESPACE = 'default';
 
 	protected $handlers = [];
@@ -38,15 +58,17 @@ public static function getGlobal() {
 	 * Installs pcntl signals.
 	 */
 	public function install() {
-		$handler = function ($signal) {
-			$this->dispatchSignal($signal);
-		};
-
-		\pcntl_signal(\SIGHUP, $handler);
-		\pcntl_signal(\SIGINT, $handler);
-		\pcntl_signal(\SIGTERM, $handler);
-		\pcntl_signal(\SIGPIPE, $handler);
-		\pcntl_signal(\SIGUSR1, $handler);
+		if (self::isSupported()) {
+			$handler = function ($signal) {
+				$this->dispatchSignal($signal);
+			};
+
+			\pcntl_signal(self::SIGHUP, $handler);
+			\pcntl_signal(self::SIGINT, $handler);
+			\pcntl_signal(self::SIGTERM, $handler);
+			\pcntl_signal(self::SIGPIPE, $handler);
+			\pcntl_signal(self::SIGUSR1, $handler);
+		}
 	}
 
 	/**
@@ -99,11 +121,19 @@ public function getHandlersForSignal($signal) {
 		return isset($this->handlers[$signal]) ? $this->handlers[$signal] : [];
 	}
 
-
 	/**
 	 * Calls pcntl_signal_dispatch for process pending signals.
 	 */
-	public function checkPendingSignals() {
-		pcntl_signal_dispatch();
+	public static function checkPendingSignals() {
+		if (self::isSupported()) {
+			\pcntl_signal_dispatch();
+		}
+	}
+
+	/**
+	 * @return bool
+	 */
+	public static function isSupported() {
+		return !defined('PHP_WINDOWS_VERSION_MAJOR');
 	}
 }

tests/SAREhub/Commons/Process/PcntlSignalsTest.php

@@ -15,7 +15,7 @@ protected function setUp() {
 
 	public function testHandle() {
 		$handlerMock = $this->createSignalHandler();
-		$this->signals->handle(2, $handlerMock);
+		$this->signals->handle(PcntlSignals::SIGINT, $handlerMock);
 		$this->assertEquals([
 		  2 => [
 			PcntlSignals::DEFAULT_NAMESPACE => [$handlerMock]