update ceph source to reef 18.1.2

[ceph.git] / ceph / src / boost / boost / asio / detail / memory.hpp

diff --git a/ceph/src/boost/boost/asio/detail/memory.hpp b/ceph/src/boost/boost/asio/detail/memory.hpp
index 438abceb673320f1d4a5470b826a7a3ba0d6a65c..b4b9ad3d7cc460d88e08a5a2e0b7f35d69ed9d7f 100644 (file)
--- a/ceph/src/boost/boost/asio/detail/memory.hpp
+++ b/ceph/src/boost/boost/asio/detail/memory.hpp
@@ -2,7 +2,7 @@
 // detail/memory.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2020 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2022 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // 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)
@@ -16,7 +16,11 @@
 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
 
 #include <boost/asio/detail/config.hpp>
+#include <cstddef>
+#include <cstdlib>
 #include <memory>
+#include <new>
+#include <boost/asio/detail/throw_exception.hpp>
 
 #if !defined(BOOST_ASIO_HAS_STD_SHARED_PTR)
 # include <boost/make_shared.hpp>
@@ -28,6 +32,14 @@
 # include <boost/utility/addressof.hpp>
 #endif // !defined(BOOST_ASIO_HAS_STD_ADDRESSOF)
 
+#if !defined(BOOST_ASIO_HAS_STD_ALIGNED_ALLOC) \
+  && defined(BOOST_ASIO_HAS_BOOST_ALIGN) \
+  && defined(BOOST_ASIO_HAS_ALIGNOF)
+# include <boost/align/aligned_alloc.hpp>
+#endif // !defined(BOOST_ASIO_HAS_STD_ALIGNED_ALLOC)
+       //   && defined(BOOST_ASIO_HAS_BOOST_ALIGN)
+       //   && defined(BOOST_ASIO_HAS_ALIGNOF)
+
 namespace boost {
 namespace asio {
 namespace detail {
@@ -69,6 +81,57 @@ struct allocator_arg_t {};
   /**/
 #endif // defined(BOOST_ASIO_HAS_CXX11_ALLOCATORS)
 
+inline void* aligned_new(std::size_t align, std::size_t size)
+{
+#if defined(BOOST_ASIO_HAS_STD_ALIGNED_ALLOC) && defined(BOOST_ASIO_HAS_ALIGNOF)
+  align = (align < BOOST_ASIO_DEFAULT_ALIGN) ? BOOST_ASIO_DEFAULT_ALIGN : align;
+  size = (size % align == 0) ? size : size + (align - size % align);
+  void* ptr = std::aligned_alloc(align, size);
+  if (!ptr)
+  {
+    std::bad_alloc ex;
+    boost::asio::detail::throw_exception(ex);
+  }
+  return ptr;
+#elif defined(BOOST_ASIO_HAS_BOOST_ALIGN) && defined(BOOST_ASIO_HAS_ALIGNOF)
+  align = (align < BOOST_ASIO_DEFAULT_ALIGN) ? BOOST_ASIO_DEFAULT_ALIGN : align;
+  size = (size % align == 0) ? size : size + (align - size % align);
+  void* ptr = boost::alignment::aligned_alloc(align, size);
+  if (!ptr)
+  {
+    std::bad_alloc ex;
+    boost::asio::detail::throw_exception(ex);
+  }
+  return ptr;
+#elif defined(BOOST_ASIO_MSVC) && defined(BOOST_ASIO_HAS_ALIGNOF)
+  align = (align < BOOST_ASIO_DEFAULT_ALIGN) ? BOOST_ASIO_DEFAULT_ALIGN : align;
+  size = (size % align == 0) ? size : size + (align - size % align);
+  void* ptr = _aligned_malloc(size, align);
+  if (!ptr)
+  {
+    std::bad_alloc ex;
+    boost::asio::detail::throw_exception(ex);
+  }
+  return ptr;
+#else // defined(BOOST_ASIO_MSVC) && defined(BOOST_ASIO_HAS_ALIGNOF)
+  (void)align;
+  return ::operator new(size);
+#endif // defined(BOOST_ASIO_MSVC) && defined(BOOST_ASIO_HAS_ALIGNOF)
+}
+
+inline void aligned_delete(void* ptr)
+{
+#if defined(BOOST_ASIO_HAS_STD_ALIGNED_ALLOC) && defined(BOOST_ASIO_HAS_ALIGNOF)
+  std::free(ptr);
+#elif defined(BOOST_ASIO_HAS_BOOST_ALIGN) && defined(BOOST_ASIO_HAS_ALIGNOF)
+  boost::alignment::aligned_free(ptr);
+#elif defined(BOOST_ASIO_MSVC) && defined(BOOST_ASIO_HAS_ALIGNOF)
+  _aligned_free(ptr);
+#else // defined(BOOST_ASIO_MSVC) && defined(BOOST_ASIO_HAS_ALIGNOF)
+  ::operator delete(ptr);
+#endif // defined(BOOST_ASIO_MSVC) && defined(BOOST_ASIO_HAS_ALIGNOF)
+}
+
 } // namespace asio
 } // namespace boost