sys: daemon support Unix only for the moment

Author: chensoft

include/chen/base/regex.hpp

@@ -1,8 +1,9 @@
 /**
  * Created by Jian Chen
- * @since  2016.04.29
- * @author Jian Chen <admin@chensoft.com>
- * @link   http://chensoft.com
+ * @since   2016.04.29
+ * @author  Jian Chen <admin@chensoft.com>
+ * @link    http://chensoft.com
+ * @caution regex is incomplete in some compilers, like gcc 4.8.x
  */
 #pragma once
 
@@ -11,10 +12,6 @@
 
 namespace chen
 {
-    /**
-     * @caution, regex is incomplete in some compilers, like gcc 4.8.x
-     * make sure your compiler has fully support for regex
-     */
     class regex
     {
     public:

include/chen/sys/sys.hpp

@@ -25,8 +25,11 @@ namespace chen
          * the current directory will change to '/' on Unix
          * standard file descriptors will be closed
          * @link http://www.netzmafia.de/skripten/unix/linux-daemon-howto.html
+         * @caution support Unix only
          */
+#ifndef _WIN32
         static void daemon();
+#endif
 
         /**
          * UUID string

src/plat/win/sys_win.cpp

@@ -14,9 +14,4 @@ std::string sys::error()
 {
     char buf[1024] = {0};
     return errno && !::strerror_s(buf, sizeof(buf), errno) ? std::string(buf) : "No error";
-}
-
-void sys::daemon()
-{
-    // todo not implement
 }