Updating boost process for supressing console out

vendor/boost_1.51/include/boost/process/child.hpp

@@ -79,6 +79,14 @@ public:
         return (it != handles_.end()) ? it->second : handle();
     }
 
+#if defined(BOOST_WINDOWS_API)
+    handle::native_type get_os_handle() const
+    {
+        return handle_.native();
+    }
+#endif
+
+
 private:
     /**
      * Handles providing access to streams attached to the child process.

vendor/boost_1.51/include/boost/process/context.hpp

@@ -82,6 +82,11 @@ struct context
      */
     environment env;
 
+    /**
+     * Suppress creation of a console window on win32 (nop on other platforms)
+     */
+    bool suppress_console;
+
     /**
      * Constructs a process context.
      *
@@ -91,7 +96,8 @@ struct context
      */
     context()
         : work_dir(self::get_work_dir()),
-        env(self::get_environment())
+        env(self::get_environment()),
+        suppress_console(false)
     {
 #if 0 // this default behavior will throw in non-console apps
 #if defined(BOOST_POSIX_API)

vendor/boost_1.51/include/boost/process/operations.hpp

@@ -346,7 +346,11 @@ inline child create_child(const std::string &executable, Arguments args,
     boost::shared_array<char> envstrs =
         detail::environment_to_windows_strings(ctx.env);
 
-    if (CreateProcessA(exe.get(), cmdline.get(), NULL, NULL, TRUE, 0,
+    DWORD creation_flags = 0;
+    if (ctx.suppress_console)
+        creation_flags |= CREATE_NO_WINDOW;
+
+    if (CreateProcessA(exe.get(), cmdline.get(), NULL, NULL, TRUE, creation_flags,
         envstrs.get(), workdir.get(), &startup_info, &pi) == 0)
         BOOST_PROCESS_THROW_LAST_SYSTEM_ERROR("CreateProcess() failed");
 

vendor/boost_1.51/include/boost/process/process.hpp

@@ -198,11 +198,12 @@ private:
             BOOST_PROCESS_THROW_LAST_SYSTEM_ERROR("OpenProcess() failed");
         return h;
     }
-
+protected:
     /**
      * The process handle.
      */
     handle handle_;
+private:
 #endif
 };