整理

include/boost/container/detail/pool_common_alloc.hpp

@@ -0,0 +1,102 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2005-2013. Distributed under 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)
+//
+// See http://www.boost.org/libs/container for documentation.
+//
+//////////////////////////////////////////////////////////////////////////////
+
+#ifndef BOOST_CONTAINER_DETAIL_POOL_COMMON_ALLOC_HPP
+#define BOOST_CONTAINER_DETAIL_POOL_COMMON_ALLOC_HPP
+
+#ifndef BOOST_CONFIG_HPP
+#  include <boost/config.hpp>
+#endif
+
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+#  pragma once
+#endif
+
+#include <boost/container/detail/config_begin.hpp>
+#include <boost/container/detail/workaround.hpp>
+#include <boost/container/throw_exception.hpp>
+
+#include <boost/intrusive/slist.hpp>
+#include <boost/container/detail/pool_common.hpp>
+#include <boost/container/detail/dlmalloc.hpp>
+#include <cstddef>
+
+namespace boost{
+namespace container{
+namespace dtl{
+
+struct node_slist_helper
+   : public boost::container::dtl::node_slist<void*>
+{};
+
+struct fake_segment_manager
+{
+   typedef void * void_pointer;
+   BOOST_STATIC_CONSTEXPR std::size_t PayloadPerAllocation = BOOST_CONTAINER_ALLOCATION_PAYLOAD;
+
+   typedef boost::container::dtl::
+      basic_multiallocation_chain<void*>              multiallocation_chain;
+   static void deallocate(void_pointer p)
+   { dlmalloc_free(p); }
+
+   static void deallocate_many(multiallocation_chain &chain)
+   {
+      std::size_t size = chain.size();
+      multiallocation_chain::pointer_pair ptrs = chain.extract_data();
+      dlmalloc_memchain dlchain;
+      BOOST_CONTAINER_MEMCHAIN_INIT_FROM(&dlchain, ptrs.first, ptrs.second, size);
+      dlmalloc_multidealloc(&dlchain);
+   }
+
+   typedef std::ptrdiff_t  difference_type;
+   typedef std::size_t     size_type;
+
+   static void *allocate_aligned(std::size_t nbytes, std::size_t alignment)
+   {
+      void *ret = dlmalloc_memalign(nbytes, alignment);
+      if(!ret)
+         boost::container::throw_bad_alloc();
+      return ret;
+   }
+
+   static void *allocate(std::size_t nbytes)
+   {
+      void *ret = dlmalloc_malloc(nbytes);
+      if(!ret)
+         boost::container::throw_bad_alloc();
+      return ret;
+   }
+};
+
+}  //namespace boost{
+}  //namespace container{
+}  //namespace dtl{
+
+namespace boost {
+namespace container {
+namespace dtl {
+
+template<class T>
+struct is_stateless_segment_manager;
+
+template<>
+struct is_stateless_segment_manager
+   <boost::container::dtl::fake_segment_manager>
+{
+   BOOST_STATIC_CONSTEXPR bool value = true;
+};
+
+}  //namespace dtl {
+}  //namespace container {
+}  //namespace boost {
+
+#include <boost/container/detail/config_end.hpp>
+
+#endif   //BOOST_CONTAINER_DETAIL_POOL_COMMON_ALLOC_HPP