//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2005-2011. 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/interprocess for documentation.
//
//////////////////////////////////////////////////////////////////////////////

#ifndef BOOST_INTERPROCESS_FWD_HPP
#define BOOST_INTERPROCESS_FWD_HPP

#if defined (_MSC_VER) && (_MSC_VER >= 1200)
#  pragma once
#endif

#include <boost/interprocess/detail/config_begin.hpp>
#include <boost/interprocess/detail/workaround.hpp>

#include <cstddef>

//////////////////////////////////////////////////////////////////////////////
//                        Standard predeclarations
//////////////////////////////////////////////////////////////////////////////

/// @cond

namespace boost{
namespace intrusive{
}}

namespace boost{
namespace interprocess{
namespace bi = boost::intrusive;
}}

#include <utility>
#include <memory>
#include <functional>
#include <iosfwd>
#include <string>

/// @endcond

namespace boost { namespace interprocess {

//////////////////////////////////////////////////////////////////////////////
//                            permissions
//////////////////////////////////////////////////////////////////////////////

class permissions;

//////////////////////////////////////////////////////////////////////////////
//                            shared_memory
//////////////////////////////////////////////////////////////////////////////

class shared_memory_object;

#if defined (BOOST_INTERPROCESS_WINDOWS) || defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
class windows_shared_memory;
#endif   //#if defined (BOOST_INTERPROCESS_WINDOWS)

//////////////////////////////////////////////////////////////////////////////
//              mapped file/mapped region/mapped_file
//////////////////////////////////////////////////////////////////////////////

class file_mapping;
class mapped_region;
class mapped_file;

//////////////////////////////////////////////////////////////////////////////
//                               Mutexes
//////////////////////////////////////////////////////////////////////////////

class null_mutex;

class interprocess_mutex;
class interprocess_recursive_mutex;

class named_mutex;
class named_recursive_mutex;

class interprocess_semaphore;
class named_semaphore;

//////////////////////////////////////////////////////////////////////////////
//                         Mutex families
//////////////////////////////////////////////////////////////////////////////

struct mutex_family;
struct null_mutex_family;

//////////////////////////////////////////////////////////////////////////////
//                   Other synchronization classes
//////////////////////////////////////////////////////////////////////////////

class barrier;
class interprocess_sharable_mutex;
class interprocess_condition;

//////////////////////////////////////////////////////////////////////////////
//                              Locks
//////////////////////////////////////////////////////////////////////////////

template <class Mutex>
class scoped_lock;

template <class SharableMutex>
class sharable_lock;

template <class UpgradableMutex>
class upgradable_lock;

//////////////////////////////////////////////////////////////////////////////
//                      STL compatible allocators
//////////////////////////////////////////////////////////////////////////////

template<class T, class SegmentManager>
class allocator;

template<class T, class SegmentManager, std::size_t NodesPerBlock = 64>
class node_allocator;

template<class T, class SegmentManager, std::size_t NodesPerBlock = 64>
class private_node_allocator;

template<class T, class SegmentManager, std::size_t NodesPerBlock = 64>
class cached_node_allocator;

template<class T, class SegmentManager, std::size_t NodesPerBlock = 64, std::size_t MaxFreeBlocks = 2
         , unsigned char OverheadPercent = 5
>
class adaptive_pool;

template<class T, class SegmentManager, std::size_t NodesPerBlock = 64, std::size_t MaxFreeBlocks = 2
         , unsigned char OverheadPercent = 5
>
class private_adaptive_pool;

template<class T, class SegmentManager, std::size_t NodesPerBlock = 64, std::size_t MaxFreeBlocks = 2
         , unsigned char OverheadPercent = 5
>
class cached_adaptive_pool;


//////////////////////////////////////////////////////////////////////////////
//                            offset_ptr
//////////////////////////////////////////////////////////////////////////////

static const std::size_t offset_type_alignment = 0;

template <class T, class DifferenceType = std::ptrdiff_t, class OffsetType = std::size_t, std::size_t Alignment = offset_type_alignment>
class offset_ptr;

//////////////////////////////////////////////////////////////////////////////
//                    Memory allocation algorithms
//////////////////////////////////////////////////////////////////////////////

//Single segment memory allocation algorithms
template<class MutexFamily, class VoidMutex = offset_ptr<void> >
class simple_seq_fit;

template<class MutexFamily, class VoidMutex = offset_ptr<void>, std::size_t MemAlignment = 0>
class rbtree_best_fit;

//////////////////////////////////////////////////////////////////////////////
//                         Index Types
//////////////////////////////////////////////////////////////////////////////

template<class IndexConfig> class flat_map_index;
template<class IndexConfig> class iset_index;
template<class IndexConfig> class iunordered_set_index;
template<class IndexConfig> class map_index;
template<class IndexConfig> class null_index;
template<class IndexConfig> class unordered_map_index;

//////////////////////////////////////////////////////////////////////////////
//                         Segment manager
//////////////////////////////////////////////////////////////////////////////

template <class CharType
         ,class MemoryAlgorithm
         ,template<class IndexConfig> class IndexType>
class segment_manager;

//////////////////////////////////////////////////////////////////////////////
//                  External buffer managed memory classes
//////////////////////////////////////////////////////////////////////////////

template <class CharType
         ,class MemoryAlgorithm
         ,template<class IndexConfig> class IndexType>
class basic_managed_external_buffer;

typedef basic_managed_external_buffer
   <char
   ,rbtree_best_fit<null_mutex_family>
   ,iset_index>
managed_external_buffer;

typedef basic_managed_external_buffer
   <wchar_t
   ,rbtree_best_fit<null_mutex_family>
   ,iset_index>
wmanaged_external_buffer;

//////////////////////////////////////////////////////////////////////////////
//                      managed memory classes
//////////////////////////////////////////////////////////////////////////////

template <class CharType
         ,class MemoryAlgorithm
         ,template<class IndexConfig> class IndexType>
class basic_managed_shared_memory;

typedef basic_managed_shared_memory
   <char
   ,rbtree_best_fit<mutex_family>
   ,iset_index>
managed_shared_memory;

typedef basic_managed_shared_memory
   <wchar_t
   ,rbtree_best_fit<mutex_family>
   ,iset_index>
wmanaged_shared_memory;


//////////////////////////////////////////////////////////////////////////////
//                      Windows shared memory managed memory classes
//////////////////////////////////////////////////////////////////////////////

#if defined (BOOST_INTERPROCESS_WINDOWS) || defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)

template <class CharType
         ,class MemoryAlgorithm
         ,template<class IndexConfig> class IndexType>
class basic_managed_windows_shared_memory;

typedef basic_managed_windows_shared_memory
   <char
   ,rbtree_best_fit<mutex_family>
   ,iset_index>
managed_windows_shared_memory;

typedef basic_managed_windows_shared_memory
   <wchar_t
   ,rbtree_best_fit<mutex_family>
   ,iset_index>
wmanaged_windows_shared_memory;

#endif   //#if defined (BOOST_INTERPROCESS_WINDOWS)

#if defined(BOOST_INTERPROCESS_XSI_SHARED_MEMORY_OBJECTS) || defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)

template <class CharType
         ,class MemoryAlgorithm
         ,template<class IndexConfig> class IndexType>
class basic_managed_xsi_shared_memory;

typedef basic_managed_xsi_shared_memory
   <char
   ,rbtree_best_fit<mutex_family>
   ,iset_index>
managed_xsi_shared_memory;

typedef basic_managed_xsi_shared_memory
   <wchar_t
   ,rbtree_best_fit<mutex_family>
   ,iset_index>
wmanaged_xsi_shared_memory;

#endif //#if defined(BOOST_INTERPROCESS_XSI_SHARED_MEMORY_OBJECTS)

//////////////////////////////////////////////////////////////////////////////
//                      Fixed address shared memory
//////////////////////////////////////////////////////////////////////////////

typedef basic_managed_shared_memory
   <char
   ,rbtree_best_fit<mutex_family, void*>
   ,iset_index>
fixed_managed_shared_memory;

typedef basic_managed_shared_memory
   <wchar_t
   ,rbtree_best_fit<mutex_family, void*>
   ,iset_index>
wfixed_managed_shared_memory;

//////////////////////////////////////////////////////////////////////////////
//                      Heap memory managed memory classes
//////////////////////////////////////////////////////////////////////////////

template
   <class CharType
   ,class MemoryAlgorithm
   ,template<class IndexConfig> class IndexType>
class basic_managed_heap_memory;

typedef basic_managed_heap_memory
   <char
   ,rbtree_best_fit<null_mutex_family>
   ,iset_index>
managed_heap_memory;

typedef basic_managed_heap_memory
   <wchar_t
   ,rbtree_best_fit<null_mutex_family>
   ,iset_index>
wmanaged_heap_memory;

//////////////////////////////////////////////////////////////////////////////
//                         Mapped file managed memory classes
//////////////////////////////////////////////////////////////////////////////

template
   <class CharType
   ,class MemoryAlgorithm
   ,template<class IndexConfig> class IndexType>
class basic_managed_mapped_file;

typedef basic_managed_mapped_file
   <char
   ,rbtree_best_fit<mutex_family>
   ,iset_index>
managed_mapped_file;

typedef basic_managed_mapped_file
   <wchar_t
   ,rbtree_best_fit<mutex_family>
   ,iset_index>
wmanaged_mapped_file;

//////////////////////////////////////////////////////////////////////////////
//                            Exceptions
//////////////////////////////////////////////////////////////////////////////

class interprocess_exception;
class lock_exception;
class bad_alloc;

//////////////////////////////////////////////////////////////////////////////
//                            Bufferstream
//////////////////////////////////////////////////////////////////////////////

//bufferstream
template <class CharT
         ,class CharTraits = std::char_traits<CharT> >
class basic_bufferbuf;

template <class CharT
         ,class CharTraits = std::char_traits<CharT> >
class basic_ibufferstream;

template <class CharT
         ,class CharTraits = std::char_traits<CharT> >
class basic_obufferstream;

template <class CharT
         ,class CharTraits = std::char_traits<CharT> >
class basic_bufferstream;

//////////////////////////////////////////////////////////////////////////////
//                            Vectorstream
//////////////////////////////////////////////////////////////////////////////

template <class CharVector
         ,class CharTraits = std::char_traits<typename CharVector::value_type> >
class basic_vectorbuf;

template <class CharVector
         ,class CharTraits = std::char_traits<typename CharVector::value_type> >
class basic_ivectorstream;

template <class CharVector
         ,class CharTraits = std::char_traits<typename CharVector::value_type> >
class basic_ovectorstream;

template <class CharVector
         ,class CharTraits = std::char_traits<typename CharVector::value_type> >
class basic_vectorstream;

//////////////////////////////////////////////////////////////////////////////
//                             Smart pointers
//////////////////////////////////////////////////////////////////////////////

template<class T, class Deleter>
class scoped_ptr;

template<class T, class VoidPointer>
class intrusive_ptr;

template<class T, class VoidAllocator, class Deleter>
class shared_ptr;

template<class T, class VoidAllocator, class Deleter>
class weak_ptr;

//////////////////////////////////////////////////////////////////////////////
//                                  IPC
//////////////////////////////////////////////////////////////////////////////

template<class VoidPointer>
class message_queue_t;

typedef message_queue_t<offset_ptr<void> > message_queue;

}}  //namespace boost { namespace interprocess {

//////////////////////////////////////////////////////////////////////////////
//                                  CONTAINERS
//////////////////////////////////////////////////////////////////////////////

#include <boost/interprocess/detail/config_end.hpp>

#endif //#ifndef BOOST_INTERPROCESS_FWD_HPP