summaryrefslogtreecommitdiff
path: root/boost/geometry/index/detail/rtree/node/scoped_deallocator.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'boost/geometry/index/detail/rtree/node/scoped_deallocator.hpp')
-rw-r--r--boost/geometry/index/detail/rtree/node/scoped_deallocator.hpp48
1 files changed, 48 insertions, 0 deletions
diff --git a/boost/geometry/index/detail/rtree/node/scoped_deallocator.hpp b/boost/geometry/index/detail/rtree/node/scoped_deallocator.hpp
new file mode 100644
index 0000000..2d08d89
--- /dev/null
+++ b/boost/geometry/index/detail/rtree/node/scoped_deallocator.hpp
@@ -0,0 +1,48 @@
+// Boost.Geometry Index
+//
+// R-tree scoped deallocator
+//
+// Copyright (c) 2011-2015 Adam Wulkiewicz, Lodz, Poland.
+//
+// Use, modification and distribution is subject to the Boost Software License,
+// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_SCOPED_DEALLOCATOR_HPP
+#define BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_SCOPED_DEALLOCATOR_HPP
+
+namespace boost { namespace geometry { namespace index {
+
+namespace detail { namespace rtree {
+
+template <typename Alloc>
+class scoped_deallocator
+{
+ scoped_deallocator(scoped_deallocator const&);
+ scoped_deallocator & operator=(scoped_deallocator const&);
+public:
+ typedef typename Alloc::pointer pointer;
+ inline scoped_deallocator(pointer p, Alloc & a)
+ : m_ptr(p), m_alloc(a)
+ {}
+ inline ~scoped_deallocator()
+ {
+ if ( m_ptr )
+ {
+ boost::container::allocator_traits<Alloc>::deallocate(m_alloc, m_ptr, 1);
+ }
+ }
+ inline void release()
+ {
+ m_ptr = 0;
+ }
+private:
+ pointer m_ptr;
+ Alloc & m_alloc;
+};
+
+}} // namespace detail::rtree
+
+}}} // namespace boost::geometry::index
+
+#endif // BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_SCOPED_DEALLOCATOR_HPP