os: remove ManagedHandle, refactor to use NativeHandle typename

libraries/libstratosphere/source/os/os_native_handle_api.cpp

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <stratosphere.hpp>
+#include "impl/os_native_handle_impl.hpp"
+
+namespace ams::os {
+
+    void CloseNativeHandle(NativeHandle handle) {
+        if (handle != os::InvalidNativeHandle) {
+            impl::NativeHandleImpl::Close(handle);
+        }
+    }
+
+}