1 files changed, 77 insertions, 0 deletions
diff --git a/um/service/include/libservice/handle.hpp b/um/service/include/libservice/handle.hpp
new file mode 100644
index 0000000..5e351d2
--- /dev/null
+++ b/um/service/include/libservice/handle.hpp
@@ -0,0 +1,77 @@
+// Copyright (c) 2015 Egor Tensin <Egor.Tensin@gmail.com>
+// This file is part of the "Windows 7 drivers" project.
+// For details, see https://github.com/egor-tensin/windows7-drivers.
+// Distributed under the MIT License.
+
+#pragma once
+
+#include "common.hpp"
+
+#include <Windows.h>
+
+#include <memory>
+#include <type_traits>
+#include <utility>
+
+namespace libservice
+{
+    class Handle
+    {
+    public:
+        Handle() = default;
+
+        Handle(HANDLE raw)
+            : impl(raw)
+        { }
+
+        Handle(Handle&& other) LIBSERVICE_NOEXCEPT
+        {
+            swap(other);
+        }
+
+        Handle& operator=(Handle other) LIBSERVICE_NOEXCEPT
+        {
+            swap(other);
+            return *this;
+        }
+
+        operator bool() const
+        {
+            return static_cast<bool>(impl);
+        }
+
+        operator HANDLE() const
+        {
+            return impl.get();
+        }
+
+        void swap(Handle& other) LIBSERVICE_NOEXCEPT
+        {
+            using std::swap;
+            swap(impl, other.impl);
+        }
+
+    private:
+        struct Deleter
+        {
+            void operator()(HANDLE raw)
+            {
+                CloseHandle(raw);
+            }
+        };
+
+        std::unique_ptr<std::remove_pointer<HANDLE>::type, Deleter> impl;
+
+        Handle(const Handle&) = delete;
+    };
+
+    void swap(Handle& a, Handle& b) LIBSERVICE_NOEXCEPT;
+}
+
+namespace std
+{
+    template <>
+    void swap<libservice::Handle>(
+        libservice::Handle& a,
+        libservice::Handle& b) LIBSERVICE_NOEXCEPT;
+}