Reimport boost/container as a separate project

1 files changed, 123 insertions, 0 deletions

diff --git a/contrib/restricted/boost/container/src/synchronized_pool_resource.cpp b/contrib/restricted/boost/container/src/synchronized_pool_resource.cpp
new file mode 100644
index 00000000000..b98bed4f638
--- /dev/null
+++ b/contrib/restricted/boost/container/src/synchronized_pool_resource.cpp
@@ -0,0 +1,123 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2015-2015. 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.
+//
+//////////////////////////////////////////////////////////////////////////////
+
+#define BOOST_CONTAINER_SOURCE
+#include <boost/container/detail/config_begin.hpp>
+#include <boost/container/detail/workaround.hpp>
+#include <boost/container/detail/dlmalloc.hpp>
+
+#include <boost/container/pmr/synchronized_pool_resource.hpp>
+#include <cstddef>
+
+namespace {
+
+using namespace boost::container;
+
+class dlmalloc_sync_scoped_lock
+{
+   void *m_sync;
+
+   public:
+   explicit dlmalloc_sync_scoped_lock(void *sync)
+      : m_sync(sync)
+   {
+      if(!dlmalloc_sync_lock(m_sync)){
+         throw_bad_alloc();
+      }
+   }
+
+   ~dlmalloc_sync_scoped_lock()
+   {
+      dlmalloc_sync_unlock(m_sync);
+   }
+};
+
+}  //namespace {
+
+namespace boost {
+namespace container {
+namespace pmr {
+
+synchronized_pool_resource::synchronized_pool_resource(const pool_options& opts, memory_resource* upstream) BOOST_NOEXCEPT
+   : m_pool_resource(opts, upstream), m_opaque_sync()
+{}
+
+synchronized_pool_resource::synchronized_pool_resource() BOOST_NOEXCEPT
+   : m_pool_resource(), m_opaque_sync()
+{}
+
+synchronized_pool_resource::synchronized_pool_resource(memory_resource* upstream) BOOST_NOEXCEPT
+   : m_pool_resource(upstream), m_opaque_sync()
+{}
+
+synchronized_pool_resource::synchronized_pool_resource(const pool_options& opts) BOOST_NOEXCEPT
+   : m_pool_resource(opts), m_opaque_sync()
+{}
+
+synchronized_pool_resource::~synchronized_pool_resource() //virtual
+{
+   if(m_opaque_sync)
+      dlmalloc_sync_destroy(m_opaque_sync);
+}
+
+void synchronized_pool_resource::release()
+{
+   if(m_opaque_sync){   //If there is no mutex, no allocation could be done
+      m_pool_resource.release();
+   }
+}
+
+memory_resource* synchronized_pool_resource::upstream_resource() const
+{  return m_pool_resource.upstream_resource();  }
+
+pool_options synchronized_pool_resource::options() const
+{  return m_pool_resource.options();  }
+
+void* synchronized_pool_resource::do_allocate(std::size_t bytes, std::size_t alignment) //virtual
+{
+   if(!m_opaque_sync){   //If there is no mutex, no allocation could be done
+      m_opaque_sync = dlmalloc_sync_create();
+      if(!m_opaque_sync){
+         throw_bad_alloc();
+      }
+   }
+   dlmalloc_sync_scoped_lock lock(m_opaque_sync); (void)lock;
+   return m_pool_resource.do_allocate(bytes, alignment);
+}
+
+void synchronized_pool_resource::do_deallocate(void* p, std::size_t bytes, std::size_t alignment) //virtual
+{
+   dlmalloc_sync_scoped_lock lock(m_opaque_sync); (void)lock;
+   return m_pool_resource.do_deallocate(p, bytes, alignment);
+}
+
+bool synchronized_pool_resource::do_is_equal(const memory_resource& other) const BOOST_NOEXCEPT //virtual
+{  return this == dynamic_cast<const synchronized_pool_resource*>(&other);  }
+
+std::size_t synchronized_pool_resource::pool_count() const
+{  return m_pool_resource.pool_count();  }
+
+std::size_t synchronized_pool_resource::pool_index(std::size_t bytes) const
+{  return m_pool_resource.pool_index(bytes);  }
+
+std::size_t synchronized_pool_resource::pool_next_blocks_per_chunk(std::size_t pool_idx) const
+{  return m_pool_resource.pool_next_blocks_per_chunk(pool_idx);  }
+
+std::size_t synchronized_pool_resource::pool_block(std::size_t pool_idx) const
+{  return m_pool_resource.pool_block(pool_idx);  }
+
+std::size_t synchronized_pool_resource::pool_cached_blocks(std::size_t pool_idx) const
+{  return m_pool_resource.pool_cached_blocks(pool_idx);  }
+
+}  //namespace pmr {
+}  //namespace container {
+}  //namespace boost {
+
+#include <boost/container/detail/config_end.hpp>