fix 'swoole_set_process_name' not found error on cygwin platform

src/Helpers/OS.php

@@ -30,6 +30,13 @@ final class OS
      */
     public const WIN = 'win';
 
+    /**
+     * Cygwin
+     *
+     * @const string
+     */
+    public const CYGWIN = 'cyg';
+
     /**
      * Returns true if current OS in types
      *
@@ -51,4 +58,4 @@ public static function current(): string
     {
         return Str::substr(Str::lower(PHP_OS), 0, 3);
     }
-}
+}

src/Server/Manager.php

@@ -353,7 +353,7 @@ protected function clearCache()
     protected function setProcessName($process)
     {
         // MacOS doesn't support modifying process name.
-        if (OS::is(OS::MAC_OS) || $this->isInTesting()) {
+        if (OS::is(OS::MAC_OS, OS::CYGWIN) || $this->isInTesting()) {
             return;
         }
         $serverName = 'swoole_http_server';