Merge pull request #3 from upliu/master

一些小细节改进

README.md

@@ -25,7 +25,7 @@ workerman 具有以下特性
 ========
 
 workerman需要PHP版本不低于5.3，只需要安装PHP的Cli即可，无需安装PHP-FPM、nginx、apache
-workerman不能运行在Window平台
+workerman不能运行在Windows平台
 
 安装
 =========

workerman/Core/Lib/Checker.php

@@ -294,7 +294,7 @@ class Checker
         
         if(!is_writeable($pid_dir))
         {
-            exit("\n\033[31;40mYou should start the server as root\033[0m\n\n\033[31;40mWorkerman start failed\033[0m\n\n");
+            exit("\n\033[31;40m$pid_dir is not writeable, can't write pid file\033[0m\n\n\033[31;40mWorkerman start failed\033[0m\n\n");
         }
     }
 }

workerman/Core/Master.php

@@ -557,7 +557,6 @@ class Master
      */
     public static function loop()
     {
-        $siginfo = array();
         while(1)
         {
             sleep(1);
@@ -608,7 +607,7 @@ class Master
             // 进程退出状态不是0，说明有问题了
             if($status !== 0)
             {
-                self::notice("worker[$pid:$worker_name] exit width status $status");
+                self::notice("worker[$pid:$worker_name] exit with status $status");
             }
             // 记录进程退出状态
             self::$serviceStatusInfo['worker_exit_code'][$worker_name][$status] = isset(self::$serviceStatusInfo['worker_exit_code'][$worker_name][$status]) ? self::$serviceStatusInfo['worker_exit_code'][$worker_name][$status] + 1 : 1;