text: //////////////////////////////////////////////////////////////////////////////
  //
  // (C) Copyright Ion Gaztanaga 2005-2012. 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_WIN32_API_HPP
  #define BOOST_INTERPROCESS_WIN32_API_HPP
  
  #ifndef BOOST_CONFIG_HPP
  #  include <boost/config.hpp>
  #endif
  #
  #if defined(BOOST_HAS_PRAGMA_ONCE)
  #  pragma once
  #endif
  
  #include <boost/interprocess/detail/config_begin.hpp>
  #include <boost/interprocess/detail/workaround.hpp>
  #include <boost/date_time/filetime_functions.hpp>
  #include <cstddef>
  #include <cstring>
  #include <cstdlib>
  #include <cstdio>
  
  #include <boost/assert.hpp>
  #include <string>
  #include <vector>
  
  #ifdef BOOST_USE_WINDOWS_H
  #include <cross_platform/windows_wrapper.hpp>
  #include <Wbemidl.h>
  #include <Objbase.h>
  #include <Shlobj.h>
  #endif
  
  #if defined(_MSC_VER)
  #  pragma once
  #  pragma comment( lib, "Advapi32.lib" )
  #  pragma comment( lib, "oleaut32.lib" )
  #  pragma comment( lib, "Ole32.lib" )
  #  pragma comment( lib, "Psapi.lib" )
  #  pragma comment( lib, "Shell32.lib" )   //SHGetSpecialFolderPathA
  #endif
  
  #if defined (BOOST_INTERPROCESS_WINDOWS)
  #  include <cstdarg>
  #  include <boost/detail/interlocked.hpp>
  #else
  # error "This file can only be included in Windows OS"
  #endif
  
  //////////////////////////////////////////////////////////////////////////////
  //
  // Declaration of Windows structures or typedefs if BOOST_USE_WINDOWS_H is used
  //
  //////////////////////////////////////////////////////////////////////////////
  
  //Ignore -pedantic errors here (anonymous structs, etc.)
  #if defined(BOOST_GCC) && (BOOST_GCC >= 40600)
  #  pragma GCC diagnostic push
  #  pragma GCC diagnostic ignored "-pedantic"
  #endif
  
  namespace boost  {
  namespace interprocess  {
  namespace winapi {
  
  //Own defines
  static const unsigned long MaxPath           = 260;
  
  #ifndef BOOST_USE_WINDOWS_H
  
  struct GUID_BIPC
  {
     unsigned long  Data1;
     unsigned short Data2;
     unsigned short Data3;
     unsigned char  Data4[8];
  };
  
  #if defined(_MSC_VER)
  #pragma warning (push)
  #pragma warning (disable : 4201) // nonstandard extension used
  #endif
  
  struct decimal
  {
      unsigned short wReserved;
      union {
          struct {
              unsigned char scale;
              unsigned char sign;
          };
          unsigned short signscale;
      };
      unsigned long Hi32;
      union {
          struct {
              unsigned long Lo32;
              unsigned long Mid32;
          };
          ::boost::ulong_long_type Lo64;
      };
  };
  
  typedef unsigned short *bstr;
  
  
  struct wchar_variant
  {
     union
     {
        struct
        {
           unsigned short vt;
           unsigned short wReserved1;
           unsigned short wReserved2;
           unsigned short wReserved3;
           union
           {
              bstr bstrVal;
              struct
              {
                 void* pvRecord;
                 void* pRecInfo;
              };
           };
        };
        decimal decVal;
     };
  };
  
  #if defined(_MSC_VER)
  #pragma warning (pop)
  #endif
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  struct IUnknown_BIPC
  {
     public:
     virtual long __stdcall QueryInterface(
        const GUID_BIPC &riid,  // [in]
        void **ppvObject) = 0;  // [iid_is][out]
  
     virtual unsigned long __stdcall AddRef (void) = 0;
     virtual unsigned long __stdcall Release(void) = 0;
  };
  
  struct IWbemClassObject_BIPC : public IUnknown_BIPC
  {
     public:
     virtual long __stdcall GetQualifierSet(
        /* [out] */ void **ppQualSet) = 0;
  
     virtual long __stdcall Get(
        /* [string][in] */ const bstr wszName,
        /* [in] */ long lFlags,
        /* [unique][in][out] */ wchar_variant *pVal,
        /* [unique][in][out] */ long *pType,
        /* [unique][in][out] */ long *plFlavor) = 0;
  
     virtual long __stdcall Put(
        /* [string][in] */ const bstr wszName,
        /* [in] */ long lFlags,
        /* [in] */ wchar_variant *pVal,
        /* [in] */ long Type) = 0;
  
     virtual long __stdcall Delete(
        /* [string][in] */ const bstr wszName) = 0;
  
     virtual long __stdcall GetNames(
        /* [string][in] */ const bstr wszQualifierName,
        /* [in] */ long lFlags,
        /* [in] */ wchar_variant *pQualifierVal,
        /* [out] */ void * *pNames) = 0;
  
     virtual long __stdcall BeginEnumeration(
        /* [in] */ long lEnumFlags) = 0;
  
     virtual long __stdcall Next(
        /* [in] */ long lFlags,
        /* [unique][in][out] */ bstr *strName,
        /* [unique][in][out] */ wchar_variant *pVal,
        /* [unique][in][out] */ long *pType,
        /* [unique][in][out] */ long *plFlavor) = 0;
  
     virtual long __stdcall EndEnumeration( void) = 0;
  
     virtual long __stdcall GetPropertyQualifierSet(
        /* [string][in] */ const bstr wszProperty,
        /* [out] */ void **ppQualSet) = 0;
  
     virtual long __stdcall Clone(
        /* [out] */ IWbemClassObject_BIPC **ppCopy) = 0;
  
     virtual long __stdcall GetObjectText(
        /* [in] */ long lFlags,
        /* [out] */ bstr *pstrObjectText) = 0;
  
     virtual long __stdcall SpawnDerivedClass(
        /* [in] */ long lFlags,
        /* [out] */ IWbemClassObject_BIPC **ppNewClass) = 0;
  
     virtual long __stdcall SpawnInstance(
        /* [in] */ long lFlags,
        /* [out] */ IWbemClassObject_BIPC **ppNewInstance) = 0;
  
     virtual long __stdcall CompareTo(
        /* [in] */ long lFlags,
        /* [in] */ IWbemClassObject_BIPC *pCompareTo) = 0;
  
     virtual long __stdcall GetPropertyOrigin(
        /* [string][in] */ const bstr wszName,
        /* [out] */ bstr *pstrClassName) = 0;
  
     virtual long __stdcall InheritsFrom(
        /* [in] */ const bstr strAncestor) = 0;
  
     virtual long __stdcall GetMethod(
        /* [string][in] */ const bstr wszName,
        /* [in] */ long lFlags,
        /* [out] */ IWbemClassObject_BIPC **ppInSignature,
        /* [out] */ IWbemClassObject_BIPC **ppOutSignature) = 0;
  
     virtual long __stdcall PutMethod(
        /* [string][in] */ const bstr wszName,
        /* [in] */ long lFlags,
        /* [in] */ IWbemClassObject_BIPC *pInSignature,
        /* [in] */ IWbemClassObject_BIPC *pOutSignature) = 0;
  
     virtual long __stdcall DeleteMethod(
        /* [string][in] */ const bstr wszName) = 0;
  
     virtual long __stdcall BeginMethodEnumeration(
        /* [in] */ long lEnumFlags) = 0;
  
     virtual long __stdcall NextMethod(
        /* [in] */ long lFlags,
        /* [unique][in][out] */ bstr *pstrName,
        /* [unique][in][out] */ IWbemClassObject_BIPC **ppInSignature,
        /* [unique][in][out] */ IWbemClassObject_BIPC **ppOutSignature) = 0;
  
     virtual long __stdcall EndMethodEnumeration( void) = 0;
  
     virtual long __stdcall GetMethodQualifierSet(
        /* [string][in] */ const bstr wszMethod,
        /* [out] */ void **ppQualSet) = 0;
  
     virtual long __stdcall GetMethodOrigin(
        /* [string][in] */ const bstr wszMethodName,
        /* [out] */ bstr *pstrClassName) = 0;
  
  };
  
  struct IWbemContext_BIPC : public IUnknown_BIPC
  {
  public:
     virtual long __stdcall Clone(
        /* [out] */ IWbemContext_BIPC **ppNewCopy) = 0;
  
     virtual long __stdcall GetNames(
        /* [in] */ long lFlags,
        /* [out] */ void * *pNames) = 0;
  
     virtual long __stdcall BeginEnumeration(
        /* [in] */ long lFlags) = 0;
  
     virtual long __stdcall Next(
        /* [in] */ long lFlags,
        /* [out] */ bstr *pstrName,
        /* [out] */ wchar_variant *pValue) = 0;
  
     virtual long __stdcall EndEnumeration( void) = 0;
  
     virtual long __stdcall SetValue(
        /* [string][in] */ const bstr wszName,
        /* [in] */ long lFlags,
        /* [in] */ wchar_variant *pValue) = 0;
  
     virtual long __stdcall GetValue(
        /* [string][in] */ const bstr wszName,
        /* [in] */ long lFlags,
        /* [out] */ wchar_variant *pValue) = 0;
  
     virtual long __stdcall DeleteValue(
        /* [string][in] */ const bstr wszName,
        /* [in] */ long lFlags) = 0;
  
     virtual long __stdcall DeleteAll( void) = 0;
  
  };
  
  
  struct IEnumWbemClassObject_BIPC : public IUnknown_BIPC
  {
  public:
     virtual long __stdcall Reset( void) = 0;
  
     virtual long __stdcall Next(
        /* [in] */ long lTimeout,
        /* [in] */ unsigned long uCount,
        /* [length_is][size_is][out] */ IWbemClassObject_BIPC **apObjects,
        /* [out] */ unsigned long *puReturned) = 0;
  
     virtual long __stdcall NextAsync(
        /* [in] */ unsigned long uCount,
        /* [in] */ void *pSink) = 0;
  
     virtual long __stdcall Clone(
        /* [out] */ void **ppEnum) = 0;
  
     virtual long __stdcall Skip(
        /* [in] */ long lTimeout,
        /* [in] */ unsigned long nCount) = 0;
  
  };
  
  struct IWbemServices_BIPC : public IUnknown_BIPC
  {
  public:
     virtual long __stdcall OpenNamespace(
        /* [in] */ const bstr strNamespace,
        /* [in] */ long lFlags,
        /* [in] */ void *pCtx,
        /* [unique][in][out] */ void **ppWorkingNamespace,
        /* [unique][in][out] */ void **ppResult) = 0;
  
     virtual long __stdcall CancelAsyncCall(
        /* [in] */ void *pSink) = 0;
  
     virtual long __stdcall QueryObjectSink(
        /* [in] */ long lFlags,
        /* [out] */ void **ppResponseHandler) = 0;
  
     virtual long __stdcall GetObject(
        /* [in] */ const bstr strObjectPath,
        /* [in] */ long lFlags,
        /* [in] */ void *pCtx,
        /* [unique][in][out] */ void **ppObject,
        /* [unique][in][out] */ void **ppCallResult) = 0;
  
     virtual long __stdcall GetObjectAsync(
        /* [in] */ const bstr strObjectPath,
        /* [in] */ long lFlags,
        /* [in] */ void *pCtx,
        /* [in] */ void *pResponseHandler) = 0;
  
     virtual long __stdcall PutClass(
        /* [in] */ IWbemClassObject_BIPC *pObject,
        /* [in] */ long lFlags,
        /* [in] */ void *pCtx,
        /* [unique][in][out] */ void **ppCallResult) = 0;
  
     virtual long __stdcall PutClassAsync(
        /* [in] */ IWbemClassObject_BIPC *pObject,
        /* [in] */ long lFlags,
        /* [in] */ void *pCtx,
        /* [in] */ void *pResponseHandler) = 0;
  
     virtual long __stdcall DeleteClass(
        /* [in] */ const bstr strClass,
        /* [in] */ long lFlags,
        /* [in] */ void *pCtx,
        /* [unique][in][out] */ void **ppCallResult) = 0;
  
     virtual long __stdcall DeleteClassAsync(
        /* [in] */ const bstr strClass,
        /* [in] */ long lFlags,
        /* [in] */ void *pCtx,
        /* [in] */ void *pResponseHandler) = 0;
  
     virtual long __stdcall CreateClassEnum(
        /* [in] */ const bstr strSuperclass,
        /* [in] */ long lFlags,
        /* [in] */ void *pCtx,
        /* [out] */ void **ppEnum) = 0;
  
     virtual long __stdcall CreateClassEnumAsync(
        /* [in] */ const bstr strSuperclass,
        /* [in] */ long lFlags,
        /* [in] */ void *pCtx,
        /* [in] */ void *pResponseHandler) = 0;
  
     virtual long __stdcall PutInstance(
        /* [in] */ void *pInst,
        /* [in] */ long lFlags,
        /* [in] */ void *pCtx,
        /* [unique][in][out] */ void **ppCallResult) = 0;
  
     virtual long __stdcall PutInstanceAsync(
        /* [in] */ void *pInst,
        /* [in] */ long lFlags,
        /* [in] */ void *pCtx,
        /* [in] */ void *pResponseHandler) = 0;
  
     virtual long __stdcall DeleteInstance(
        /* [in] */ const bstr strObjectPath,
        /* [in] */ long lFlags,
        /* [in] */ void *pCtx,
        /* [unique][in][out] */ void **ppCallResult) = 0;
  
     virtual long __stdcall DeleteInstanceAsync(
        /* [in] */ const bstr strObjectPath,
        /* [in] */ long lFlags,
        /* [in] */ void *pCtx,
        /* [in] */ void *pResponseHandler) = 0;
  
     virtual long __stdcall CreateInstanceEnum(
        /* [in] */ const bstr strFilter,
        /* [in] */ long lFlags,
        /* [in] */ void *pCtx,
        /* [out] */ void **ppEnum) = 0;
  
     virtual long __stdcall CreateInstanceEnumAsync(
        /* [in] */ const bstr strFilter,
        /* [in] */ long lFlags,
        /* [in] */ void *pCtx,
        /* [in] */ void *pResponseHandler) = 0;
  
     virtual long __stdcall ExecQuery(
        /* [in] */ const bstr strQueryLanguage,
        /* [in] */ const bstr strQuery,
        /* [in] */ long lFlags,
        /* [in] */ IWbemContext_BIPC *pCtx,
        /* [out] */ IEnumWbemClassObject_BIPC **ppEnum) = 0;
  
     virtual long __stdcall ExecQueryAsync(
        /* [in] */ const bstr strQueryLanguage,
        /* [in] */ const bstr strQuery,
        /* [in] */ long lFlags,
        /* [in] */ IWbemContext_BIPC *pCtx,
        /* [in] */ void *pResponseHandler) = 0;
  
     virtual long __stdcall ExecNotificationQuery(
        /* [in] */ const bstr strQueryLanguage,
        /* [in] */ const bstr strQuery,
        /* [in] */ long lFlags,
        /* [in] */ IWbemContext_BIPC *pCtx,
        /* [out] */ void **ppEnum) = 0;
  
     virtual long __stdcall ExecNotificationQueryAsync(
        /* [in] */ const bstr strQueryLanguage,
        /* [in] */ const bstr strQuery,
        /* [in] */ long lFlags,
        /* [in] */ IWbemContext_BIPC *pCtx,
        /* [in] */ void *pResponseHandler) = 0;
  
     virtual long __stdcall ExecMethod(
        /* [in] */ const bstr strObjectPath,
        /* [in] */ const bstr strMethodName,
        /* [in] */ long lFlags,
        /* [in] */ IWbemContext_BIPC *pCtx,
        /* [in] */ IWbemClassObject_BIPC *pInParams,
        /* [unique][in][out] */ IWbemClassObject_BIPC **ppOutParams,
        /* [unique][in][out] */ void **ppCallResult) = 0;
  
     virtual long __stdcall ExecMethodAsync(
        /* [in] */ const bstr strObjectPath,
        /* [in] */ const bstr strMethodName,
        /* [in] */ long lFlags,
        /* [in] */ IWbemContext_BIPC *pCtx,
        /* [in] */ IWbemClassObject_BIPC *pInParams,
        /* [in] */ void *pResponseHandler) = 0;
  
  };
  
  struct IWbemLocator_BIPC : public IUnknown_BIPC
  {
  public:
     virtual long __stdcall ConnectServer(
        /* [in] */ const bstr strNetworkResource,
        /* [in] */ const bstr strUser,
        /* [in] */ const bstr strPassword,
        /* [in] */ const bstr strLocale,
        /* [in] */ long lSecurityFlags,
        /* [in] */ const bstr strAuthority,
        /* [in] */ void *pCtx,
        /* [out] */ IWbemServices_BIPC **ppNamespace) = 0;
  
  };
  
  struct interprocess_overlapped
  {
     unsigned long *internal;
     unsigned long *internal_high;
     union {
        struct {
           unsigned long offset;
           unsigned long offset_high;
        }dummy;
        void *pointer;
     };
  
     void *h_event;
  };
  
  
  struct interprocess_filetime
  {
     unsigned long  dwLowDateTime;
     unsigned long  dwHighDateTime;
  };
  
  struct win32_find_data
  {
     unsigned long dwFileAttributes;
     interprocess_filetime ftCreationTime;
     interprocess_filetime ftLastAccessTime;
     interprocess_filetime ftLastWriteTime;
     unsigned long nFileSizeHigh;
     unsigned long nFileSizeLow;
     unsigned long dwReserved0;
     unsigned long dwReserved1;
     char cFileName[MaxPath];
     char cAlternateFileName[14];
  };
  
  struct interprocess_security_attributes
  {
     unsigned long nLength;
     void *lpSecurityDescriptor;
     int bInheritHandle;
  };
  
  struct system_info {
      union {
          unsigned long dwOemId;          // Obsolete field...do not use
          struct {
              unsigned short wProcessorArchitecture;
              unsigned short wReserved;
          } dummy;
      };
      unsigned long dwPageSize;
      void * lpMinimumApplicationAddress;
      void * lpMaximumApplicationAddress;
      unsigned long * dwActiveProcessorMask;
      unsigned long dwNumberOfProcessors;
      unsigned long dwProcessorType;
      unsigned long dwAllocationGranularity;
      unsigned short wProcessorLevel;
      unsigned short wProcessorRevision;
  };
  
  struct interprocess_acl
  {
     unsigned char  AclRevision;
     unsigned char  Sbz1;
     unsigned short AclSize;
     unsigned short AceCount;
     unsigned short Sbz2;
  };
  
  struct interprocess_security_descriptor
  {
     unsigned char Revision;
     unsigned char Sbz1;
     unsigned short Control;
     void *Owner;
     void *Group;
     interprocess_acl *Sacl;
     interprocess_acl *Dacl;
  };
  
  struct interprocess_by_handle_file_information
  {
      unsigned long dwFileAttributes;
      interprocess_filetime ftCreationTime;
      interprocess_filetime ftLastAccessTime;
      interprocess_filetime ftLastWriteTime;
      unsigned long dwVolumeSerialNumber;
      unsigned long nFileSizeHigh;
      unsigned long nFileSizeLow;
      unsigned long nNumberOfLinks;
      unsigned long nFileIndexHigh;
      unsigned long nFileIndexLow;
  };
  
  struct interprocess_eventlogrecord
  {
      unsigned long  Length;        // Length of full record
      unsigned long  Reserved;      // Used by the service
      unsigned long  RecordNumber;  // Absolute record number
      unsigned long  TimeGenerated; // Seconds since 1-1-1970
      unsigned long  TimeWritten;   // Seconds since 1-1-1970
      unsigned long  EventID;
      unsigned short EventType;
      unsigned short NumStrings;
      unsigned short EventCategory;
      unsigned short ReservedFlags; // For use with paired events (auditing)
      unsigned long  ClosingRecordNumber; // For use with paired events (auditing)
      unsigned long  StringOffset;  // Offset from beginning of record
      unsigned long  UserSidLength;
      unsigned long  UserSidOffset;
      unsigned long  DataLength;
      unsigned long  DataOffset;    // Offset from beginning of record
      //
      // Then follow:
      //
      // wchar_t SourceName[]
      // wchar_t Computername[]
      // SID   UserSid
      // wchar_t Strings[]
      // BYTE  Data[]
      // CHAR  Pad[]
      // unsigned long Length;
      //
  };
  
  union large_integer
  {
      __int64 QuadPart;
  };
  
  struct hinstance_struct { int unused; };
  typedef hinstance_struct *hmodule;
  
  struct hkey_struct;
  typedef hkey_struct *hkey;
  
  #ifdef _WIN64
  typedef __int64 (__stdcall *farproc_t)();
  #else
  typedef int     (__stdcall *farproc_t)();
  #endif  // _WIN64
  
  #else    //#ifndef BOOST_USE_WINDOWS_H
  
  typedef GUID GUID_BIPC;
  typedef VARIANT wchar_variant;
  
  typedef IUnknown IUnknown_BIPC;
  
  typedef IWbemClassObject IWbemClassObject_BIPC;
  
  typedef IWbemContext IWbemContext_BIPC;
  
  typedef IEnumWbemClassObject IEnumWbemClassObject_BIPC;
  
  typedef IWbemServices IWbemServices_BIPC;
  
  typedef IWbemLocator IWbemLocator_BIPC;
  
  typedef OVERLAPPED interprocess_overlapped;
  
  typedef FILETIME interprocess_filetime;
  
  typedef WIN32_FIND_DATAA win32_find_data;
  
  typedef SECURITY_ATTRIBUTES interprocess_security_attributes;
  
  typedef SYSTEM_INFO system_info;
  
  typedef ACL interprocess_acl;
  
  typedef SECURITY_DESCRIPTOR interprocess_security_descriptor;
  
  typedef BY_HANDLE_FILE_INFORMATION interprocess_by_handle_file_information;
  
  typedef EVENTLOGRECORD interprocess_eventlogrecord;
  
  typedef LARGE_INTEGER large_integer;
  
  typedef HMODULE hmodule;
  
  typedef HKEY hkey;
  
  typedef BSTR bstr;
  
  typedef FARPROC farproc_t;
  
  #endif   //#ifndef BOOST_USE_WINDOWS_H
  
  //////////////////////////////////////////////////////////////////////////////
  //
  // Nt native structures
  //
  //////////////////////////////////////////////////////////////////////////////
  
  struct interprocess_semaphore_basic_information
  {
     unsigned int count;      // current semaphore count
     unsigned int limit;      // max semaphore count
  };
  
  struct interprocess_section_basic_information
  {
    void *          base_address;
    unsigned long   section_attributes;
    __int64         section_size;
  };
  
  struct file_rename_information_t {
     int Replace;
     void *RootDir;
     unsigned long FileNameLength;
     wchar_t FileName[1];
  };
  
  struct unicode_string_t {
     unsigned short Length;
     unsigned short MaximumLength;
     wchar_t *Buffer;
  };
  
  struct object_attributes_t {
     unsigned long Length;
     void * RootDirectory;
     unicode_string_t *ObjectName;
     unsigned long Attributes;
     void *SecurityDescriptor;
     void *SecurityQualityOfService;
  };
  
  struct io_status_block_t {
     union {
        long Status;
        void *Pointer;
     };
  
     unsigned long *Information;
  };
  
  union system_timeofday_information
  {
     struct data_t
     {
        __int64 liKeBootTime;
        __int64 liKeSystemTime;
        __int64 liExpTimeZoneBias;
        unsigned long uCurrentTimeZoneId;
        unsigned long dwReserved;
        ::boost::ulong_long_type ullBootTimeBias;
        ::boost::ulong_long_type ullSleepTimeBias;
     } data;
     unsigned char Reserved1[sizeof(data_t)];
  };
  
  static const long BootstampLength            = sizeof(__int64);
  static const long BootAndSystemstampLength   = sizeof(__int64)*2;
  static const long SystemTimeOfDayInfoLength  = sizeof(system_timeofday_information::data_t);
  
  struct object_name_information_t
  {
     unicode_string_t Name;
     wchar_t NameBuffer[1];
  };
  
  enum file_information_class_t {
     file_directory_information = 1,
     file_full_directory_information,
     file_both_directory_information,
     file_basic_information,
     file_standard_information,
     file_internal_information,
     file_ea_information,
     file_access_information,
     file_name_information,
     file_rename_information,
     file_link_information,
     file_names_information,
     file_disposition_information,
     file_position_information,
     file_full_ea_information,
     file_mode_information,
     file_alignment_information,
     file_all_information,
     file_allocation_information,
     file_end_of_file_information,
     file_alternate_name_information,
     file_stream_information,
     file_pipe_information,
     file_pipe_local_information,
     file_pipe_remote_information,
     file_mailslot_query_information,
     file_mailslot_set_information,
     file_compression_information,
     file_copy_on_write_information,
     file_completion_information,
     file_move_cluster_information,
     file_quota_information,
     file_reparse_point_information,
     file_network_open_information,
     file_object_id_information,
     file_tracking_information,
     file_ole_directory_information,
     file_content_index_information,
     file_inherit_content_index_information,
     file_ole_information,
     file_maximum_information
  };
  
  enum semaphore_information_class {
     semaphore_basic_information = 0
  };
  
  
  enum system_information_class {
     system_basic_information = 0,
     system_performance_information = 2,
     system_time_of_day_information = 3,
     system_process_information = 5,
     system_processor_performance_information = 8,
     system_interrupt_information = 23,
     system_exception_information = 33,
     system_registry_quota_information = 37,
     system_lookaside_information = 45
  };
  
  enum object_information_class
  {
     object_basic_information,
     object_name_information,
     object_type_information,
     object_all_information,
     object_data_information
  };
  
  enum section_information_class
  {
     section_basic_information,
     section_image_information
  };
  
  //////////////////////////////////////////////////////////////////////////////
  //
  // Forward declaration of winapi
  //
  //////////////////////////////////////////////////////////////////////////////
  
  #ifndef BOOST_USE_WINDOWS_H
  
  //Kernel32.dll
  
  //Some windows API declarations
  extern "C" __declspec(dllimport) unsigned long __stdcall GetCurrentProcessId();
  extern "C" __declspec(dllimport) unsigned long __stdcall GetCurrentThreadId();
  extern "C" __declspec(dllimport) int __stdcall GetProcessTimes
     ( void *hProcess, interprocess_filetime* lpCreationTime
     , interprocess_filetime *lpExitTime,interprocess_filetime *lpKernelTime
     , interprocess_filetime *lpUserTime );
  extern "C" __declspec(dllimport) void __stdcall Sleep(unsigned long);
  extern "C" __declspec(dllimport) unsigned long __stdcall GetTickCount(void);
  extern "C" __declspec(dllimport) int __stdcall SwitchToThread();
  extern "C" __declspec(dllimport) unsigned long __stdcall GetLastError();
  extern "C" __declspec(dllimport) void __stdcall SetLastError(unsigned long);
  extern "C" __declspec(dllimport) void * __stdcall GetCurrentProcess();
  extern "C" __declspec(dllimport) int __stdcall CloseHandle(void*);
  extern "C" __declspec(dllimport) int __stdcall DuplicateHandle
     ( void *hSourceProcessHandle,    void *hSourceHandle
     , void *hTargetProcessHandle,    void **lpTargetHandle
     , unsigned long dwDesiredAccess, int bInheritHandle
     , unsigned long dwOptions);
  extern "C" __declspec(dllimport) long __stdcall GetFileType(void *hFile);
  extern "C" __declspec(dllimport) void *__stdcall FindFirstFileA(const char *lpFileName, win32_find_data *lpFindFileData);
  extern "C" __declspec(dllimport) int   __stdcall FindNextFileA(void *hFindFile, win32_find_data *lpFindFileData);
  extern "C" __declspec(dllimport) int   __stdcall FindClose(void *hFindFile);
  //extern "C" __declspec(dllimport) void __stdcall GetSystemTimeAsFileTime(interprocess_filetime*);
  //extern "C" __declspec(dllimport) int  __stdcall FileTimeToLocalFileTime(const interprocess_filetime *in, const interprocess_filetime *out);
  extern "C" __declspec(dllimport) void * __stdcall CreateMutexA(interprocess_security_attributes*, int, const char *);
  extern "C" __declspec(dllimport) void * __stdcall OpenMutexA(unsigned long, int, const char *);
  extern "C" __declspec(dllimport) unsigned long __stdcall WaitForSingleObject(void *, unsigned long);
  extern "C" __declspec(dllimport) int __stdcall ReleaseMutex(void *);
  extern "C" __declspec(dllimport) int __stdcall UnmapViewOfFile(void *);
  extern "C" __declspec(dllimport) void * __stdcall CreateSemaphoreA(interprocess_security_attributes*, long, long, const char *);
  extern "C" __declspec(dllimport) int __stdcall ReleaseSemaphore(void *, long, long *);
  extern "C" __declspec(dllimport) void * __stdcall OpenSemaphoreA(unsigned long, int, const char *);
  extern "C" __declspec(dllimport) void * __stdcall CreateFileMappingA (void *, interprocess_security_attributes*, unsigned long, unsigned long, unsigned long, const char *);
  extern "C" __declspec(dllimport) void * __stdcall MapViewOfFileEx (void *, unsigned long, unsigned long, unsigned long, std::size_t, void*);
  extern "C" __declspec(dllimport) void * __stdcall OpenFileMappingA (unsigned long, int, const char *);
  extern "C" __declspec(dllimport) void * __stdcall CreateFileA (const char *, unsigned long, unsigned long, struct interprocess_security_attributes*, unsigned long, unsigned long, void *);
  extern "C" __declspec(dllimport) void __stdcall GetSystemInfo (struct system_info *);
  extern "C" __declspec(dllimport) int __stdcall FlushViewOfFile (void *, std::size_t);
  extern "C" __declspec(dllimport) int __stdcall VirtualUnlock (void *, std::size_t);
  extern "C" __declspec(dllimport) int __stdcall VirtualProtect (void *, std::size_t, unsigned long, unsigned long *);
  extern "C" __declspec(dllimport) int __stdcall FlushFileBuffers (void *);
  extern "C" __declspec(dllimport) int __stdcall GetFileSizeEx (void *, large_integer *size);
  extern "C" __declspec(dllimport) unsigned long __stdcall FormatMessageA
     (unsigned long dwFlags,       const void *lpSource,   unsigned long dwMessageId,
     unsigned long dwLanguageId,   char *lpBuffer,         unsigned long nSize,
     std::va_list *Arguments);
  extern "C" __declspec(dllimport) void *__stdcall LocalFree (void *);
  extern "C" __declspec(dllimport) unsigned long __stdcall GetFileAttributesA(const char *);
  extern "C" __declspec(dllimport) int __stdcall CreateDirectoryA(const char *, interprocess_security_attributes*);
  extern "C" __declspec(dllimport) int __stdcall RemoveDirectoryA(const char *lpPathName);
  extern "C" __declspec(dllimport) int __stdcall GetTempPathA(unsigned long length, char *buffer);
  extern "C" __declspec(dllimport) int __stdcall CreateDirectory(const char *, interprocess_security_attributes*);
  extern "C" __declspec(dllimport) int __stdcall SetFileValidData(void *, __int64 size);
  extern "C" __declspec(dllimport) int __stdcall SetEndOfFile(void *);
  extern "C" __declspec(dllimport) int __stdcall SetFilePointerEx(void *, large_integer distance, large_integer *new_file_pointer, unsigned long move_method);
  extern "C" __declspec(dllimport) int __stdcall LockFile  (void *hnd, unsigned long offset_low, unsigned long offset_high, unsigned long size_low, unsigned long size_high);
  extern "C" __declspec(dllimport) int __stdcall UnlockFile(void *hnd, unsigned long offset_low, unsigned long offset_high, unsigned long size_low, unsigned long size_high);
  extern "C" __declspec(dllimport) int __stdcall LockFileEx(void *hnd, unsigned long flags, unsigned long reserved, unsigned long size_low, unsigned long size_high, interprocess_overlapped* overlapped);
  extern "C" __declspec(dllimport) int __stdcall UnlockFileEx(void *hnd, unsigned long reserved, unsigned long size_low, unsigned long size_high, interprocess_overlapped* overlapped);
  extern "C" __declspec(dllimport) int __stdcall WriteFile(void *hnd, const void *buffer, unsigned long bytes_to_write, unsigned long *bytes_written, interprocess_overlapped* overlapped);
  extern "C" __declspec(dllimport) int __stdcall ReadFile(void *hnd, void *buffer, unsigned long bytes_to_read, unsigned long *bytes_read, interprocess_overlapped* overlapped);
  extern "C" __declspec(dllimport) int __stdcall InitializeSecurityDescriptor(interprocess_security_descriptor *pSecurityDescriptor, unsigned long dwRevision);
  extern "C" __declspec(dllimport) int __stdcall SetSecurityDescriptorDacl(interprocess_security_descriptor *pSecurityDescriptor, int bDaclPresent, interprocess_acl *pDacl, int bDaclDefaulted);
  extern "C" __declspec(dllimport) hmodule __stdcall LoadLibraryA(const char *);
  extern "C" __declspec(dllimport) int   __stdcall FreeLibrary(hmodule);
  extern "C" __declspec(dllimport) farproc_t __stdcall GetProcAddress(void *, const char*);
  extern "C" __declspec(dllimport) hmodule __stdcall GetModuleHandleA(const char*);
  extern "C" __declspec(dllimport) void *__stdcall GetFileInformationByHandle(void *, interprocess_by_handle_file_information*);
  
  //Advapi32.dll
  extern "C" __declspec(dllimport) long __stdcall RegOpenKeyExA(hkey, const char *, unsigned long, unsigned long, hkey*);
  extern "C" __declspec(dllimport) long __stdcall RegQueryValueExA(hkey, const char *, unsigned long*, unsigned long*, unsigned char *, unsigned long*);
  extern "C" __declspec(dllimport) long __stdcall RegCloseKey(hkey);
  
  //Ole32.dll
  extern "C" __declspec(dllimport) long __stdcall CoInitializeEx(void *pvReserved, unsigned long dwCoInit);
  extern "C" __declspec(dllimport) long __stdcall CoInitializeSecurity(
                      void*          pSecDesc,
                      long           cAuthSvc,
                      void *         asAuthSvc,
                      void          *pReserved1,
                      unsigned long  dwAuthnLevel,
                      unsigned long  dwImpLevel,
                      void          *pAuthList,
                      unsigned long  dwCapabilities,
                      void          *pReserved3 );
  
   extern "C" __declspec(dllimport) long __stdcall CoSetProxyBlanket(
                       IUnknown_BIPC *pProxy,
                       unsigned long dwAuthnSvc,
                       unsigned long dwAuthzSvc,
                       wchar_t *pServerPrincName,
                       unsigned long dwAuthnLevel,
                       unsigned long dwImpLevel,
                       void *pAuthInfo,
                       unsigned long dwCapabilities);
  extern "C" __declspec(dllimport) long __stdcall CoCreateInstance(const GUID_BIPC & rclsid, IUnknown_BIPC *pUnkOuter,
                      unsigned long dwClsContext, const GUID_BIPC & riid, void** ppv);
  extern "C" __declspec(dllimport) void __stdcall CoUninitialize(void);
  
  //OleAut32.dll
  extern "C" __declspec(dllimport) long __stdcall VariantClear(wchar_variant * pvarg);
  
  //Shell32.dll
  extern "C" __declspec(dllimport) int __stdcall SHGetSpecialFolderPathA
     (void* hwnd, const char *pszPath, int csidl, int fCreate);
  
  extern "C" __declspec(dllimport) int __stdcall SHGetFolderPathA(void *hwnd, int csidl, void *hToken, unsigned long dwFlags, const char *pszPath);
  
  //EventLog access functions
  
  extern "C" __declspec(dllimport) void* __stdcall OpenEventLogA
     (const char* lpUNCServerName, const char* lpSourceName);
  
  extern "C" __declspec(dllimport) int __stdcall CloseEventLog(void *hEventLog);
  
  extern "C" __declspec(dllimport) int __stdcall ReadEventLogA
     (void *hEventLog,
      unsigned long dwReadFlags,
      unsigned long dwRecordOffset,
      void *lpBuffer,
      unsigned long nNumberOfBytesToRead,
      unsigned long *pnBytesRead,
      unsigned long *pnMinNumberOfBytesNeeded
     );
  
  #endif   //#ifndef BOOST_USE_WINDOWS_H
  
  //kernel32.dll
  typedef int (__stdcall *QueryPerformanceCounter_t)  (__int64 *lpPerformanceCount);
  typedef int (__stdcall *QueryPerformanceFrequency_t)(__int64 *lpFrequency);
  
  //ntdll.dll
  typedef long (__stdcall *NtDeleteFile_t)(object_attributes_t *ObjectAttributes);
  typedef long (__stdcall *NtSetInformationFile_t)(void *FileHandle, io_status_block_t *IoStatusBlock, void *FileInformation, unsigned long Length, int FileInformationClass );
  typedef long (__stdcall *NtOpenFile)(void **FileHandle, unsigned long DesiredAccess, object_attributes_t *ObjectAttributes
                                      , io_status_block_t *IoStatusBlock, unsigned long ShareAccess, unsigned long Length, unsigned long OpenOptions);
  typedef long (__stdcall *NtQuerySystemInformation_t)(int, void*, unsigned long, unsigned long *);
  typedef long (__stdcall *NtQueryObject_t)(void*, object_information_class, void *, unsigned long, unsigned long *);
  typedef long (__stdcall *NtQuerySemaphore_t)(void*, unsigned int info_class, interprocess_semaphore_basic_information *pinfo, unsigned int info_size, unsigned int *ret_len);
  typedef long (__stdcall *NtQuerySection_t)(void*, section_information_class, interprocess_section_basic_information *pinfo, unsigned long info_size, unsigned long *ret_len);
  typedef long (__stdcall *NtQueryInformationFile_t)(void *,io_status_block_t *,void *, long, int);
  typedef long (__stdcall *NtOpenFile_t)(void*,unsigned long ,object_attributes_t*,io_status_block_t*,unsigned long,unsigned long);
  typedef long (__stdcall *NtClose_t) (void*);
  typedef long (__stdcall *NtQueryTimerResolution_t) (unsigned long* LowestResolution, unsigned long* HighestResolution, unsigned long* CurrentResolution);
  typedef long (__stdcall *NtSetTimerResolution_t) (unsigned long RequestedResolution, int Set, unsigned long* ActualResolution);
  
  }  //namespace winapi {
  }  //namespace interprocess  {
  }  //namespace boost  {
  
  //////////////////////////////////////////////////////////////////////////////
  //
  // Forward declaration of constants
  //
  //////////////////////////////////////////////////////////////////////////////
  
  namespace boost {
  namespace interprocess {
  namespace winapi {
  
  //Some used constants
  static const unsigned long infinite_time        = 0xFFFFFFFF;
  static const unsigned long error_already_exists = 183L;
  static const unsigned long error_invalid_handle = 6L;
  static const unsigned long error_sharing_violation = 32L;
  static const unsigned long error_file_not_found = 2u;
  static const unsigned long error_no_more_files  = 18u;
  static const unsigned long error_not_locked     = 158L;
  //Retries in CreateFile, see http://support.microsoft.com/kb/316609
  static const unsigned long error_sharing_violation_tries = 3L;
  static const unsigned long error_sharing_violation_sleep_ms = 250L;
  static const unsigned long error_file_too_large = 223L;
  static const unsigned long error_insufficient_buffer = 122L;
  static const unsigned long error_handle_eof = 38L;
  static const unsigned long semaphore_all_access = (0x000F0000L)|(0x00100000L)|0x3;
  static const unsigned long mutex_all_access     = (0x000F0000L)|(0x00100000L)|0x0001;
  
  static const unsigned long page_readonly        = 0x02;
  static const unsigned long page_readwrite       = 0x04;
  static const unsigned long page_writecopy       = 0x08;
  static const unsigned long page_noaccess        = 0x01;
  
  static const unsigned long standard_rights_required   = 0x000F0000L;
  static const unsigned long section_query              = 0x0001;
  static const unsigned long section_map_write          = 0x0002;
  static const unsigned long section_map_read           = 0x0004;
  static const unsigned long section_map_execute        = 0x0008;
  static const unsigned long section_extend_size        = 0x0010;
  static const unsigned long section_all_access         = standard_rights_required |
                                                          section_query            |
                                                          section_map_write        |
                                                          section_map_read         |
                                                          section_map_execute      |
                                                          section_extend_size;
  
  static const unsigned long file_map_copy        = section_query;
  static const unsigned long file_map_write       = section_map_write;
  static const unsigned long file_map_read        = section_map_read;
  static const unsigned long file_map_all_access  = section_all_access;
  static const unsigned long delete_access = 0x00010000L;
  static const unsigned long file_flag_backup_semantics = 0x02000000;
  static const long file_flag_delete_on_close = 0x04000000;
  
  //Native API constants
  static const unsigned long file_open_for_backup_intent = 0x00004000;
  static const int file_share_valid_flags = 0x00000007;
  static const long file_delete_on_close = 0x00001000L;
  static const long obj_case_insensitive = 0x00000040L;
  static const long delete_flag = 0x00010000L;
  
  static const unsigned long movefile_copy_allowed            = 0x02;
  static const unsigned long movefile_delay_until_reboot      = 0x04;
  static const unsigned long movefile_replace_existing        = 0x01;
  static const unsigned long movefile_write_through           = 0x08;
  static const unsigned long movefile_create_hardlink         = 0x10;
  static const unsigned long movefile_fail_if_not_trackable   = 0x20;
  
  static const unsigned long file_share_read      = 0x00000001;
  static const unsigned long file_share_write     = 0x00000002;
  static const unsigned long file_share_delete    = 0x00000004;
  
  static const unsigned long file_attribute_readonly    = 0x00000001;
  static const unsigned long file_attribute_hidden      = 0x00000002;
  static const unsigned long file_attribute_system      = 0x00000004;
  static const unsigned long file_attribute_directory   = 0x00000010;
  static const unsigned long file_attribute_archive     = 0x00000020;
  static const unsigned long file_attribute_device      = 0x00000040;
  static const unsigned long file_attribute_normal      = 0x00000080;
  static const unsigned long file_attribute_temporary   = 0x00000100;
  
  static const unsigned long generic_read         = 0x80000000L;
  static const unsigned long generic_write        = 0x40000000L;
  
  static const unsigned long wait_object_0        = 0;
  static const unsigned long wait_abandoned       = 0x00000080L;
  static const unsigned long wait_timeout         = 258L;
  static const unsigned long wait_failed          = (unsigned long)0xFFFFFFFF;
  
  static const unsigned long duplicate_close_source  = (unsigned long)0x00000001;
  static const unsigned long duplicate_same_access   = (unsigned long)0x00000002;
  
  static const unsigned long format_message_allocate_buffer
     = (unsigned long)0x00000100;
  static const unsigned long format_message_ignore_inserts
     = (unsigned long)0x00000200;
  static const unsigned long format_message_from_string
     = (unsigned long)0x00000400;
  static const unsigned long format_message_from_hmodule
     = (unsigned long)0x00000800;
  static const unsigned long format_message_from_system
     = (unsigned long)0x00001000;
  static const unsigned long format_message_argument_array
     = (unsigned long)0x00002000;
  static const unsigned long format_message_max_width_mask
     = (unsigned long)0x000000FF;
  static const unsigned long lang_neutral         = (unsigned long)0x00;
  static const unsigned long sublang_default      = (unsigned long)0x01;
  static const unsigned long invalid_file_size    = (unsigned long)0xFFFFFFFF;
  static const unsigned long invalid_file_attributes =  ((unsigned long)-1);
  static       void * const  invalid_handle_value = ((void*)(long)(-1));
  
  static const unsigned long file_type_char    =  0x0002L;
  static const unsigned long file_type_disk    =  0x0001L;
  static const unsigned long file_type_pipe    =  0x0003L;
  static const unsigned long file_type_remote  =  0x8000L;
  static const unsigned long file_type_unknown =  0x0000L;
  
  static const unsigned long create_new        = 1;
  static const unsigned long create_always     = 2;
  static const unsigned long open_existing     = 3;
  static const unsigned long open_always       = 4;
  static const unsigned long truncate_existing = 5;
  
  static const unsigned long file_begin     = 0;
  static const unsigned long file_current   = 1;
  static const unsigned long file_end       = 2;
  
  static const unsigned long lockfile_fail_immediately  = 1;
  static const unsigned long lockfile_exclusive_lock    = 2;
  static const unsigned long error_lock_violation       = 33;
  static const unsigned long security_descriptor_revision = 1;
  
  const unsigned long max_record_buffer_size = 0x10000L;   // 64K
  const unsigned long max_path = 260;
  
  //Keys
  static const  hkey hkey_local_machine = (hkey)(unsigned long*)(long)(0x80000002);
  static unsigned long key_query_value    = 0x0001;
  
  //COM API
  const unsigned long RPC_C_AUTHN_LEVEL_PKT_BIPC = 4;
  const unsigned long RPC_C_AUTHN_DEFAULT_BIPC = 0xffffffffL;
  const unsigned long RPC_C_AUTHZ_DEFAULT_BIPC = 0xffffffffL;
  const unsigned long RPC_C_IMP_LEVEL_IMPERSONATE_BIPC = 3;
  const   signed long EOAC_NONE_BIPC = 0;
  const   signed long CLSCTX_INPROC_SERVER_BIPC   = 0x1;
  const   signed long CLSCTX_LOCAL_SERVER_BIPC   = 0x4;
  const   signed long WBEM_FLAG_RETURN_IMMEDIATELY_BIPC = 0x10;
  const   signed long WBEM_FLAG_RETURN_WHEN_COMPLETE_BIPC = 0x0;
  const   signed long WBEM_FLAG_FORWARD_ONLY_BIPC = 0x20;
  const   signed long WBEM_INFINITE_BIPC = 0xffffffffL;
  const   signed long RPC_E_TOO_LATE_BIPC = 0x80010119L;
  const   signed long S_OK_BIPC = 0L;
  const   signed long S_FALSE_BIPC = 1;
  const   signed long RPC_E_CHANGED_MODE_BIPC = 0x80010106L;
  const unsigned long COINIT_APARTMENTTHREADED_BIPC   = 0x2;
  const unsigned long COINIT_MULTITHREADED_BIPC       = 0x0;
  const unsigned long COINIT_DISABLE_OLE1DDE_BIPC     = 0x4;
  const unsigned long COINIT_SPEED_OVER_MEMORY_BIPC   = 0x4;
  
  
  //If the user needs to change default COM initialization model,
  //it can define BOOST_INTERPROCESS_WINDOWS_COINIT_MODEL to one of these:
  //
  // COINIT_APARTMENTTHREADED_BIPC
  // COINIT_MULTITHREADED_BIPC
  // COINIT_DISABLE_OLE1DDE_BIPC
  // COINIT_SPEED_OVER_MEMORY_BIPC
  #if !defined(BOOST_INTERPROCESS_WINDOWS_COINIT_MODEL)
     #define BOOST_INTERPROCESS_WINDOWS_COINIT_MODEL COINIT_APARTMENTTHREADED_BIPC
  #elif (BOOST_INTERPROCESS_WINDOWS_COINIT_MODEL != COINIT_APARTMENTTHREADED_BIPC) &&\
        (BOOST_INTERPROCESS_WINDOWS_COINIT_MODEL != COINIT_MULTITHREADED_BIPC)     &&\
        (BOOST_INTERPROCESS_WINDOWS_COINIT_MODEL != COINIT_DISABLE_OLE1DDE_BIPC)   &&\
        (BOOST_INTERPROCESS_WINDOWS_COINIT_MODEL != COINIT_SPEED_OVER_MEMORY_BIPC)
     #error "Wrong value for BOOST_INTERPROCESS_WINDOWS_COINIT_MODEL macro"
  #endif
  
  const GUID_BIPC CLSID_WbemAdministrativeLocator =
     { 0xcb8555cc, 0x9128, 0x11d1, {0xad, 0x9b, 0x00, 0xc0, 0x4f, 0xd8, 0xfd, 0xff}};
  
  const GUID_BIPC IID_IUnknown = { 0x00000000, 0x0000, 0x0000, {0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46}};
  
  static const unsigned long eventlog_sequential_read = 0x0001;
  static const unsigned long eventlog_backwards_read  = 0x0008;
  
  }  //namespace winapi {
  }  //namespace interprocess  {
  }  //namespace boost  {
  
  
  namespace boost {
  namespace interprocess {
  namespace winapi {
  
  inline unsigned long get_last_error()
  {  return GetLastError();  }
  
  inline void set_last_error(unsigned long err)
  {  return SetLastError(err);  }
  
  inline unsigned long format_message
     (unsigned long dwFlags, const void *lpSource,
      unsigned long dwMessageId, unsigned long dwLanguageId,
      char *lpBuffer, unsigned long nSize, std::va_list *Arguments)
  {
     return FormatMessageA
        (dwFlags, lpSource, dwMessageId, dwLanguageId, lpBuffer, nSize, Arguments);
  }
  
  //And now, wrapper functions
  inline void * local_free(void *hmem)
  {  return LocalFree(hmem); }
  
  inline unsigned long make_lang_id(unsigned long p, unsigned long s)
  {  return ((((unsigned short)(s)) << 10) | (unsigned short)(p));   }
  
  inline void sched_yield()
  {
     if(!SwitchToThread()){
        Sleep(0);
     }
  }
  
  inline void sleep_tick()
  {  Sleep(1);   }
  
  inline void sleep(unsigned long ms)
  {  Sleep(ms);  }
  
  inline unsigned long get_current_thread_id()
  {  return GetCurrentThreadId();  }
  
  inline bool get_process_times
     ( void *hProcess, interprocess_filetime* lpCreationTime
     , interprocess_filetime *lpExitTime, interprocess_filetime *lpKernelTime
     , interprocess_filetime *lpUserTime )
  {  return 0 != GetProcessTimes(hProcess, lpCreationTime, lpExitTime, lpKernelTime, lpUserTime); }
  
  inline unsigned long get_current_process_id()
  {  return GetCurrentProcessId();  }
  
  inline unsigned int close_handle(void* handle)
  {  return CloseHandle(handle);   }
  
  inline void * find_first_file(const char *lpFileName, win32_find_data *lpFindFileData)
  {  return FindFirstFileA(lpFileName, lpFindFileData);   }
  
  inline bool find_next_file(void *hFindFile, win32_find_data *lpFindFileData)
  {  return FindNextFileA(hFindFile, lpFindFileData) != 0;   }
  
  inline bool find_close(void *handle)
  {  return FindClose(handle) != 0;   }
  
  inline bool duplicate_current_process_handle
     (void *hSourceHandle, void **lpTargetHandle)
  {
     return 0 != DuplicateHandle
        ( GetCurrentProcess(),  hSourceHandle,    GetCurrentProcess()
        , lpTargetHandle,       0,                0
        , duplicate_same_access);
  }
  
  inline unsigned long get_file_type(void *hFile)
  {
     return GetFileType(hFile);
  }
  
  /*
  inline void get_system_time_as_file_time(interprocess_filetime *filetime)
  {  GetSystemTimeAsFileTime(filetime);  }
  
  inline bool file_time_to_local_file_time
     (const interprocess_filetime *in, const interprocess_filetime *out)
  {  return 0 != FileTimeToLocalFileTime(in, out);  }
  */
  inline void *open_or_create_mutex(const char *name, bool initial_owner, interprocess_security_attributes *attr)
  {  return CreateMutexA(attr, (int)initial_owner, name);  }
  
  inline unsigned long wait_for_single_object(void *handle, unsigned long time)
  {  return WaitForSingleObject(handle, time); }
  
  inline int release_mutex(void *handle)
  {  return ReleaseMutex(handle);  }
  
  inline int unmap_view_of_file(void *address)
  {  return UnmapViewOfFile(address); }
  
  inline void *open_or_create_semaphore(const char *name, long initial_count, long maximum_count, interprocess_security_attributes *attr)
  {  return CreateSemaphoreA(attr, initial_count, maximum_count, name);  }
  
  inline void *open_semaphore(const char *name)
  {  return OpenSemaphoreA(semaphore_all_access, 0, name);  }
  
  inline int release_semaphore(void *handle, long release_count, long *prev_count)
  {  return ReleaseSemaphore(handle, release_count, prev_count); }
  
  class interprocess_all_access_security
  {
     interprocess_security_attributes sa;
     interprocess_security_descriptor sd;
     bool initialized;
  
     public:
     interprocess_all_access_security()
        : initialized(false)
     {
        if(!InitializeSecurityDescriptor(&sd, security_descriptor_revision))
           return;
        if(!SetSecurityDescriptorDacl(&sd, true, 0, false))
           return;
        sa.lpSecurityDescriptor = &sd;
        sa.nLength = sizeof(interprocess_security_attributes);
        sa.bInheritHandle = false;
        initialized = false;
     }
  
     interprocess_security_attributes *get_attributes()
     {  return &sa; }
  };
  
  inline void * create_file_mapping (void * handle, unsigned long access, ::boost::ulong_long_type file_offset, const char * name, interprocess_security_attributes *psec)
  {
     const unsigned long high_size(file_offset >> 32), low_size((boost::uint32_t)file_offset);
     return CreateFileMappingA (handle, psec, access, high_size, low_size, name);
  }
  
  inline void * open_file_mapping (unsigned long access, const char *name)
  {  return OpenFileMappingA (access, 0, name);   }
  
  inline void *map_view_of_file_ex(void *handle, unsigned long file_access, ::boost::ulong_long_type offset, std::size_t numbytes, void *base_addr)
  {
     const unsigned long offset_low  = (unsigned long)(offset & ((::boost::ulong_long_type)0xFFFFFFFF));
     const unsigned long offset_high = offset >> 32;
     return MapViewOfFileEx(handle, file_access, offset_high, offset_low, numbytes, base_addr);
  }
  
  inline void *create_file(const char *name, unsigned long access, unsigned long creation_flags, unsigned long attributes, interprocess_security_attributes *psec)
  {
     for (unsigned int attempt(0); attempt < error_sharing_violation_tries; ++attempt){
        void * const handle = CreateFileA(name, access,
                                          file_share_read | file_share_write | file_share_delete,
                                          psec, creation_flags, attributes, 0);
        bool const invalid(invalid_handle_value == handle);
        if (!invalid){
           return handle;
        }
        if (error_sharing_violation != get_last_error()){
           return handle;
        }
        sleep(error_sharing_violation_sleep_ms);
     }
     return invalid_handle_value;
  }
  
  inline void get_system_info(system_info *info)
  {  GetSystemInfo(info); }
  
  inline bool flush_view_of_file(void *base_addr, std::size_t numbytes)
  {  return 0 != FlushViewOfFile(base_addr, numbytes); }
  
  inline bool virtual_unlock(void *base_addr, std::size_t numbytes)
  {  return 0 != VirtualUnlock(base_addr, numbytes); }
  
  inline bool virtual_protect(void *base_addr, std::size_t numbytes, unsigned long flNewProtect, unsigned long &lpflOldProtect)
  {  return 0 != VirtualProtect(base_addr, numbytes, flNewProtect, &lpflOldProtect); }
  
  inline bool flush_file_buffers(void *handle)
  {  return 0 != FlushFileBuffers(handle); }
  
  inline bool get_file_size(void *handle, __int64 &size)
  {  return 0 != GetFileSizeEx(handle, (large_integer*)&size);  }
  
  inline bool create_directory(const char *name)
  {
     interprocess_all_access_security sec;
     return 0 != CreateDirectoryA(name, sec.get_attributes());
  }
  
  inline bool remove_directory(const char *lpPathName)
  {  return 0 != RemoveDirectoryA(lpPathName);   }
  
  inline unsigned long get_temp_path(unsigned long length, char *buffer)
  {  return GetTempPathA(length, buffer);   }
  
  inline int set_end_of_file(void *handle)
  {  return 0 != SetEndOfFile(handle);   }
  
  inline bool set_file_pointer_ex(void *handle, __int64 distance, __int64 *new_file_pointer, unsigned long move_method)
  {
     large_integer d; d.QuadPart = distance;
     return 0 != SetFilePointerEx(handle, d, (large_integer*)new_file_pointer, move_method);
  }
  
  inline bool lock_file_ex(void *hnd, unsigned long flags, unsigned long reserved, unsigned long size_low, unsigned long size_high, interprocess_overlapped *overlapped)
  {  return 0 != LockFileEx(hnd, flags, reserved, size_low, size_high, overlapped); }
  
  inline bool unlock_file_ex(void *hnd, unsigned long reserved, unsigned long size_low, unsigned long size_high, interprocess_overlapped *overlapped)
  {  return 0 != UnlockFileEx(hnd, reserved, size_low, size_high, overlapped);  }
  
  inline bool write_file(void *hnd, const void *buffer, unsigned long bytes_to_write, unsigned long *bytes_written, interprocess_overlapped* overlapped)
  {  return 0 != WriteFile(hnd, buffer, bytes_to_write, bytes_written, overlapped);  }
  
  inline bool read_file(void *hnd, void *buffer, unsigned long bytes_to_read, unsigned long *bytes_read, interprocess_overlapped* overlapped)
  {  return 0 != ReadFile(hnd, buffer, bytes_to_read, bytes_read, overlapped);  }
  
  inline bool get_file_information_by_handle(void *hnd, interprocess_by_handle_file_information *info)
  {  return 0 != GetFileInformationByHandle(hnd, info);  }
  
  inline long interlocked_increment(long volatile *addr)
  {  return BOOST_INTERLOCKED_INCREMENT(addr);  }
  
  inline long interlocked_decrement(long volatile *addr)
  {  return BOOST_INTERLOCKED_DECREMENT(addr);  }
  
  inline long interlocked_compare_exchange(long volatile *addr, long val1, long val2)
  {  return BOOST_INTERLOCKED_COMPARE_EXCHANGE(addr, val1, val2);  }
  
  inline long interlocked_exchange_add(long volatile* addend, long value)
  {  return BOOST_INTERLOCKED_EXCHANGE_ADD(const_cast<long*>(addend), value);  }
  
  inline long interlocked_exchange(long volatile* addend, long value)
  {  return BOOST_INTERLOCKED_EXCHANGE(const_cast<long*>(addend), value);  }
  
  //Forward functions
  inline hmodule load_library(const char *name)
  {  return LoadLibraryA(name); }
  
  inline bool free_library(hmodule module)
  {  return 0 != FreeLibrary(module); }
  
  inline farproc_t get_proc_address(hmodule module, const char *name)
  {  return GetProcAddress(module, name); }
  
  inline void *get_current_process()
  {  return GetCurrentProcess();  }
  
  inline hmodule get_module_handle(const char *name)
  {  return GetModuleHandleA(name); }
  
  inline long reg_open_key_ex(hkey hKey, const char *lpSubKey, unsigned long ulOptions, unsigned long samDesired, hkey *phkResult)
  {  return RegOpenKeyExA(hKey, lpSubKey, ulOptions, samDesired, phkResult); }
  
  inline long reg_query_value_ex(hkey hKey, const char *lpValueName, unsigned long*lpReserved, unsigned long*lpType, unsigned char *lpData, unsigned long*lpcbData)
  {  return RegQueryValueExA(hKey, lpValueName, lpReserved, lpType, lpData, lpcbData); }
  
  inline long reg_close_key(hkey hKey)
  {  return RegCloseKey(hKey); }
  
  inline void initialize_object_attributes
  ( object_attributes_t *pobject_attr, unicode_string_t *name
   , unsigned long attr, void *rootdir, void *security_descr)
  
  {
     pobject_attr->Length = sizeof(object_attributes_t);
     pobject_attr->RootDirectory = rootdir;
     pobject_attr->Attributes = attr;
     pobject_attr->ObjectName = name;
     pobject_attr->SecurityDescriptor = security_descr;
     pobject_attr->SecurityQualityOfService = 0;
  }
  
  inline void rtl_init_empty_unicode_string(unicode_string_t *ucStr, wchar_t *buf, unsigned short bufSize)
  {
     ucStr->Buffer = buf;
     ucStr->Length = 0;
     ucStr->MaximumLength = bufSize;
  }
  
  //A class that locates and caches loaded DLL function addresses.
  template<int Dummy>
  struct function_address_holder
  {
     enum  { NtSetInformationFile
           , NtQuerySystemInformation
           , NtQueryObject
           , NtQuerySemaphore
           , NtQuerySection
           , NtOpenFile
           , NtClose
           , NtQueryTimerResolution
           , NtSetTimerResolution
           , QueryPerformanceCounter
           , QueryPerformanceFrequency
           , NumFunction
           };
     enum { NtDll_dll, Kernel32_dll, NumModule };
  
     private:
     static const char *FunctionNames[NumFunction];
     static const char *ModuleNames[NumModule];
     static farproc_t FunctionAddresses[NumFunction];
     static unsigned int FunctionModules[NumFunction];
     static volatile long FunctionStates[NumFunction];
     static hmodule ModuleAddresses[NumModule];
     static volatile long ModuleStates[NumModule];
  
     static hmodule get_module_from_id(unsigned int id)
     {
        BOOST_ASSERT(id < (unsigned int)NumModule);
        hmodule addr = get_module_handle(ModuleNames[id]);
        BOOST_ASSERT(addr);
        return addr;
     }
  
     static hmodule get_module(const unsigned int id)
     {
        BOOST_ASSERT(id < (unsigned int)NumModule);
        for(unsigned i = 0; ModuleStates[id] < 2; ++i){
           if(interlocked_compare_exchange(&ModuleStates[id], 1, 0) == 0){
              ModuleAddresses[id] = get_module_from_id(id);
              interlocked_increment(&ModuleStates[id]);
              break;
           }
           else if(i & 1){
              sched_yield();
           }
           else{
              sleep_tick();
           }
        }
        return ModuleAddresses[id];
     }
  
     static farproc_t get_address_from_dll(const unsigned int id)
     {
        BOOST_ASSERT(id < (unsigned int)NumFunction);
        farproc_t addr = get_proc_address(get_module(FunctionModules[id]), FunctionNames[id]);
        BOOST_ASSERT(addr);
        return addr;
     }
  
     public:
     static farproc_t get(const unsigned int id)
     {
        BOOST_ASSERT(id < (unsigned int)NumFunction);
        for(unsigned i = 0; FunctionStates[id] < 2; ++i){
           if(interlocked_compare_exchange(&FunctionStates[id], 1, 0) == 0){
              FunctionAddresses[id] = get_address_from_dll(id);
              interlocked_increment(&FunctionStates[id]);
              break;
           }
           else if(i & 1){
              sched_yield();
           }
           else{
              sleep_tick();
           }
        }
        return FunctionAddresses[id];
     }
  };
  
  template<int Dummy>
  const char *function_address_holder<Dummy>::FunctionNames[function_address_holder<Dummy>::NumFunction] =
  {
     "NtSetInformationFile",
     "NtQuerySystemInformation",
     "NtQueryObject",
     "NtQuerySemaphore",
     "NtQuerySection",
     "NtOpenFile",
     "NtClose",
     "NtQueryTimerResolution",
     "NtSetTimerResolution",
     "QueryPerformanceCounter",
     "QueryPerformanceFrequency"
  };
  
  template<int Dummy>
  unsigned int function_address_holder<Dummy>::FunctionModules[function_address_holder<Dummy>::NumFunction] =
  {
     NtDll_dll,
     NtDll_dll,
     NtDll_dll,
     NtDll_dll,
     NtDll_dll,
     NtDll_dll,
     NtDll_dll,
     NtDll_dll,
     NtDll_dll,
     Kernel32_dll,
     Kernel32_dll
  };
  
  template<int Dummy>
  const char *function_address_holder<Dummy>::ModuleNames[function_address_holder<Dummy>::NumModule] =
  {
     "ntdll.dll",
     "kernel32.dll"
  };
  
  
  template<int Dummy>
  farproc_t function_address_holder<Dummy>::FunctionAddresses[function_address_holder<Dummy>::NumFunction];
  
  template<int Dummy>
  volatile long function_address_holder<Dummy>::FunctionStates[function_address_holder<Dummy>::NumFunction];
  
  template<int Dummy>
  hmodule function_address_holder<Dummy>::ModuleAddresses[function_address_holder<Dummy>::NumModule];
  
  template<int Dummy>
  volatile long function_address_holder<Dummy>::ModuleStates[function_address_holder<Dummy>::NumModule];
  
  
  struct dll_func
     : public function_address_holder<0>
  {};
  
  //Complex winapi based functions...
  struct library_unloader
  {
     hmodule lib_;
     library_unloader(hmodule module) : lib_(module){}
     ~library_unloader(){ free_library(lib_);  }
  };
  
  
  inline bool get_system_time_of_day_information(system_timeofday_information &info)
  {
     NtQuerySystemInformation_t pNtQuerySystemInformation = (NtQuerySystemInformation_t)
           dll_func::get(dll_func::NtQuerySystemInformation);
     unsigned long res;
     long status = pNtQuerySystemInformation(system_time_of_day_information, &info, sizeof(info), &res);
     if(status){
        return false;
     }
     return true;
  }
  
  inline bool get_boot_time(unsigned char (&bootstamp) [BootstampLength])
  {
     system_timeofday_information info;
     bool ret = get_system_time_of_day_information(info);
     if(!ret){
        return false;
     }
     std::memcpy(&bootstamp[0], &info.Reserved1, sizeof(bootstamp));
     return true;
  }
  
  inline bool get_boot_and_system_time(unsigned char (&bootsystemstamp) [BootAndSystemstampLength])
  {
     system_timeofday_information info;
     bool ret = get_system_time_of_day_information(info);
     if(!ret){
        return false;
     }
     std::memcpy(&bootsystemstamp[0], &info.Reserved1, sizeof(bootsystemstamp));
     return true;
  }
  
  inline bool get_boot_time_str(char *bootstamp_str, std::size_t &s)
     //will write BootstampLength chars
  {
     if(s < (BootstampLength*2))
        return false;
     system_timeofday_information info;
     bool ret = get_system_time_of_day_information(info);
     if(!ret){
        return false;
     }
     const char Characters [] =
        { '0', '1', '2', '3', '4', '5', '6', '7'
        , '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
     std::size_t char_counter = 0;
     for(std::size_t i = 0; i != static_cast<std::size_t>(BootstampLength); ++i){
        bootstamp_str[char_counter++] = Characters[(info.Reserved1[i]&0xF0)>>4];
        bootstamp_str[char_counter++] = Characters[(info.Reserved1[i]&0x0F)];
     }
     s = BootstampLength*2;
     return true;
  }
  
  //Writes the hexadecimal value of the buffer, in the wide character string.
  //str must be twice length
  inline void buffer_to_wide_str(const void *buf, std::size_t length, wchar_t *str)
  {
     const wchar_t Characters [] =
        { L'0', L'1', L'2', L'3', L'4', L'5', L'6', L'7'
        , L'8', L'9', L'A', L'B', L'C', L'D', L'E', L'F' };
     std::size_t char_counter = 0;
     const char *chbuf = static_cast<const char *>(buf);
     for(std::size_t i = 0; i != length; ++i){
        str[char_counter++] = Characters[(chbuf[i]&0xF0)>>4];
        str[char_counter++] = Characters[(chbuf[i]&0x0F)];
     }
  }
  
  inline bool get_boot_and_system_time_wstr(wchar_t *bootsystemstamp, std::size_t &s)
     //will write BootAndSystemstampLength chars
  {
     if(s < (BootAndSystemstampLength*2))
        return false;
     system_timeofday_information info;
     bool ret = get_system_time_of_day_information(info);
     if(!ret){
        return false;
     }
  
     buffer_to_wide_str(&info.Reserved1[0], BootAndSystemstampLength, bootsystemstamp);
     s = BootAndSystemstampLength*2;
     return true;
  }
  
  class handle_closer
  {
     void *handle_;
     handle_closer(const handle_closer &);
     handle_closer& operator=(const handle_closer &);
     public:
     explicit handle_closer(void *handle) : handle_(handle){}
     ~handle_closer()
     {  close_handle(handle_);  }
  };
  
  class eventlog_handle_closer
  {
     void *handle_;
     eventlog_handle_closer(const handle_closer &);
     eventlog_handle_closer& operator=(const eventlog_handle_closer &);
     public:
     explicit eventlog_handle_closer(void *handle) : handle_(handle){}
     ~eventlog_handle_closer()
     {  CloseEventLog(handle_);  }
  };
  
  union ntquery_mem_t
  {
     object_name_information_t name;
     struct ren_t
     {
        file_rename_information_t info;
        wchar_t buf[1];
     } ren;
  };
  
  class nt_query_mem_deleter
  {
     static const std::size_t rename_offset = offsetof(ntquery_mem_t, ren.info.FileName) -
        offsetof(ntquery_mem_t, name.Name.Buffer);
     //                                           Timestamp                      process id              atomic count
     static const std::size_t rename_suffix =
        (SystemTimeOfDayInfoLength + sizeof(unsigned long) + sizeof(boost::uint32_t))*2;
  
     public:
     nt_query_mem_deleter(std::size_t object_name_information_size)
        : m_size(object_name_information_size + rename_offset + rename_suffix)
        , m_buf(new char [m_size])
     {}
  
     ~nt_query_mem_deleter()
     {
        delete[]m_buf;
     }
  
     void realloc_mem(std::size_t num_bytes)
     {
        num_bytes += rename_suffix + rename_offset;
        char *buf = m_buf;
        m_buf = new char[num_bytes];
        delete[]buf;
        m_size = num_bytes;
     }
  
     ntquery_mem_t *query_mem() const
     {  return static_cast<ntquery_mem_t *>(static_cast<void*>(m_buf));  }
  
     unsigned long object_name_information_size() const
     {
        return static_cast<unsigned long>(m_size - rename_offset - SystemTimeOfDayInfoLength*2);
     }
  
     std::size_t file_rename_information_size() const
     {  return static_cast<unsigned long>(m_size);  }
  
     private:
     std::size_t m_size;
     char *m_buf;
  };
  
  class c_heap_deleter
  {
     public:
     c_heap_deleter(std::size_t size)
        : m_buf(::malloc(size))
     {}
  
     ~c_heap_deleter()
     {
        if(m_buf) ::free(m_buf);
     }
  
     void realloc_mem(std::size_t num_bytes)
     {
        void *buf = ::realloc(m_buf, num_bytes);
        if(!buf){
           free(m_buf);
           m_buf = 0;
        }
     }
  
     void *get() const
     {  return m_buf;  }
  
     private:
     void *m_buf;
  };
  
  inline bool unlink_file(const char *filename)
  {
     //Don't try to optimize doing a DeleteFile first
     //as there are interactions with permissions and
     //in-use files.
     //
     //if(!delete_file(filename)){
     //   (...)
     //
  
     //This functions tries to emulate UNIX unlink semantics in windows.
     //
     //- Open the file and mark the handle as delete-on-close
     //- Rename the file to an arbitrary name based on a random number
     //- Close the handle. If there are no file users, it will be deleted.
     //  Otherwise it will be used by already connected handles but the
     //  file name can't be used to open this file again
     try{
        NtSetInformationFile_t pNtSetInformationFile =
           (NtSetInformationFile_t)dll_func::get(dll_func::NtSetInformationFile);
  
        NtQueryObject_t pNtQueryObject = (NtQueryObject_t)dll_func::get(dll_func::NtQueryObject);
  
        //First step: Obtain a handle to the file using Win32 rules. This resolves relative paths
        void *fh = create_file(filename, generic_read | delete_access, open_existing, 0, 0);
        if(fh == invalid_handle_value){
           return false;
        }
  
        handle_closer h_closer(fh);
        {
           //Obtain name length
           unsigned long size;
           const std::size_t initial_string_mem = 512u;
  
           nt_query_mem_deleter nt_query_mem(sizeof(ntquery_mem_t)+initial_string_mem);
           //Obtain file name with guessed length
           if(pNtQueryObject(fh, object_name_information, nt_query_mem.query_mem(), nt_query_mem.object_name_information_size(), &size)){
              //Obtain file name with exact length buffer
              nt_query_mem.realloc_mem(size);
              if(pNtQueryObject(fh, object_name_information, nt_query_mem.query_mem(), nt_query_mem.object_name_information_size(), &size)){
                 return false;
              }
           }
           ntquery_mem_t *pmem = nt_query_mem.query_mem();
           file_rename_information_t *pfri = &pmem->ren.info;
           const std::size_t RenMaxNumChars =
              (((char*)(pmem) + nt_query_mem.file_rename_information_size()) - (char*)&pmem->ren.info.FileName[0])/sizeof(wchar_t);
  
           //Copy filename to the rename member
           std::memmove(pmem->ren.info.FileName, pmem->name.Name.Buffer, pmem->name.Name.Length);
           std::size_t filename_string_length = pmem->name.Name.Length/sizeof(wchar_t);
  
           //Search '\\' character to replace from it
           for(std::size_t i = filename_string_length; i != 0; --filename_string_length){
              if(pmem->ren.info.FileName[--i] == L'\\')
                 break;
           }
  
           //Add random number
           std::size_t s = RenMaxNumChars - filename_string_length;
           if(!get_boot_and_system_time_wstr(&pfri->FileName[filename_string_length], s)){
              return false;
           }
           filename_string_length += s;
  
           //Sometimes the precission of the timestamp is not enough and we need to add another random number.
           //The process id (to exclude concurrent processes) and an atomic count (to exclude concurrent threads).
           //should be enough
           const unsigned long pid = get_current_process_id();
           buffer_to_wide_str(&pid, sizeof(pid), &pfri->FileName[filename_string_length]);
           filename_string_length += sizeof(pid)*2;
  
           static volatile boost::uint32_t u32_count = 0;
           interlocked_decrement(reinterpret_cast<volatile long*>(&u32_count));
           buffer_to_wide_str(const_cast<const boost::uint32_t *>(&u32_count), sizeof(boost::uint32_t), &pfri->FileName[filename_string_length]);
           filename_string_length += sizeof(boost::uint32_t)*2;
  
           //Fill rename information (FileNameLength is in bytes)
           pfri->FileNameLength = static_cast<unsigned long>(sizeof(wchar_t)*(filename_string_length));
           pfri->Replace = 1;
           pfri->RootDir = 0;
  
           //Cange the name of the in-use file...
           io_status_block_t io;
           if(0 != pNtSetInformationFile(fh, &io, pfri, nt_query_mem.file_rename_information_size(), file_rename_information)){
              return false;
           }
        }
        //...and mark it as delete-on-close
        {
           //Don't use pNtSetInformationFile with file_disposition_information as it can return STATUS_CANNOT_DELETE
           //if the file is still mapped. Reopen it with NtOpenFile and file_delete_on_close
           NtOpenFile_t pNtOpenFile = (NtOpenFile_t)dll_func::get(dll_func::NtOpenFile);
           NtClose_t pNtClose = (NtClose_t)dll_func::get(dll_func::NtClose);
           const wchar_t empty_str [] = L"";
           unicode_string_t ustring = { sizeof(empty_str) - sizeof (wchar_t)   //length in bytes without null
                                      , sizeof(empty_str)   //total size in bytes of memory allocated for Buffer.
                                      , const_cast<wchar_t*>(empty_str)
                                      };
           object_attributes_t object_attr;
           initialize_object_attributes(&object_attr, &ustring, 0, fh, 0);
           void* fh2 = 0;
           io_status_block_t io;
           pNtOpenFile( &fh2, delete_flag, &object_attr, &io
                      , file_share_read | file_share_write | file_share_delete, file_delete_on_close);
           pNtClose(fh2);
           //Even if NtOpenFile fails, the file was renamed and the original no longer exists, so return a success status
           return true;
        }
     }
     catch(...){
        return false;
     }
     return true;
  }
  
  struct reg_closer
  {
     hkey key_;
     reg_closer(hkey key) : key_(key){}
     ~reg_closer(){ reg_close_key(key_);  }
  };
  
  inline void get_shared_documents_folder(std::string &s)
  {
     #if 1 //Original registry search code
     s.clear();
     hkey key;
     if (reg_open_key_ex( hkey_local_machine
                       , "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders"
                       , 0
                       , key_query_value
                       , &key) == 0){
        reg_closer key_closer(key);
  
        //Obtain the value
        unsigned long size;
        unsigned long type;
        const char *const reg_value = "Common AppData";
        //long err = (*pRegQueryValue)( key, reg_value, 0, &type, 0, &size);
        long err = reg_query_value_ex( key, reg_value, 0, &type, 0, &size);
        if(!err){
           //Size includes terminating NULL
           s.resize(size);
           //err = (*pRegQueryValue)( key, reg_value, 0, &type, (unsigned char*)(&s[0]), &size);
           err = reg_query_value_ex( key, reg_value, 0, &type, (unsigned char*)(&s[0]), &size);
           if(!err)
              s.erase(s.end()-1);
           (void)err;
        }
     }
     #else //registry alternative: SHGetSpecialFolderPathA
     const int BIPC_CSIDL_COMMON_APPDATA = 0x0023;  // All Users\Application Data
     const int BIPC_CSIDL_FLAG_CREATE = 0x8000;     // new for Win2K, or this in to force creation of folder
     const int BIPC_SHGFP_TYPE_CURRENT  = 0;        // current value for user, verify it exists
  
     s.clear();
     char szPath[max_path];
     if(0 == SHGetFolderPathA(0, BIPC_CSIDL_COMMON_APPDATA | BIPC_CSIDL_FLAG_CREATE, 0, BIPC_SHGFP_TYPE_CURRENT, szPath)){
        s = szPath;
     }
  
     #endif
  }
  
  inline void get_registry_value(const char *folder, const char *value_key, std::vector<unsigned char> &s)
  {
     s.clear();
     hkey key;
     if (reg_open_key_ex( hkey_local_machine
                       , folder
                       , 0
                       , key_query_value
                       , &key) == 0){
        reg_closer key_closer(key);
  
        //Obtain the value
        unsigned long size;
        unsigned long type;
        const char *const reg_value = value_key;
        //long err = (*pRegQueryValue)( key, reg_value, 0, &type, 0, &size);
        long err = reg_query_value_ex( key, reg_value, 0, &type, 0, &size);
        if(!err){
           //Size includes terminating NULL
           s.resize(size);
           //err = (*pRegQueryValue)( key, reg_value, 0, &type, (unsigned char*)(&s[0]), &size);
           err = reg_query_value_ex( key, reg_value, 0, &type, (unsigned char*)(&s[0]), &size);
           if(!err)
              s.erase(s.end()-1);
           (void)err;
        }
     }
  }
  
  struct co_uninitializer
  {
     co_uninitializer(bool b_uninitialize)
        : m_b_uninitialize(b_uninitialize)
     {}
  
     ~co_uninitializer()
     {
        if(m_b_uninitialize){
           CoUninitialize();
        }
     }
  
     private:
     const bool m_b_uninitialize;
  };
  
  template<class Object>
  struct com_releaser
  {
     Object *&object_;
     com_releaser(Object *&object) : object_(object) {}
     ~com_releaser()  {  object_->Release();    object_ = 0;  }
  };
  
  inline bool get_wmi_class_attribute( std::wstring& strValue, const wchar_t *wmi_class, const wchar_t *wmi_class_var)
  {
     //See example http://msdn.microsoft.com/en-us/library/aa390423%28v=VS.85%29.aspx
     //
     //See BOOST_INTERPROCESS_WINDOWS_COINIT_MODEL definition if you need to change the
     //default value of this macro in your application
     long co_init_ret = CoInitializeEx(0, BOOST_INTERPROCESS_WINDOWS_COINIT_MODEL);
     if(co_init_ret != S_OK_BIPC && co_init_ret != S_FALSE_BIPC && co_init_ret != RPC_E_CHANGED_MODE_BIPC)
        return false;
     co_uninitializer co_initialize_end(co_init_ret != RPC_E_CHANGED_MODE_BIPC);
     (void)co_initialize_end;
  
     bool bRet = false;
     long sec_init_ret = CoInitializeSecurity
        ( 0   //pVoid
        ,-1   //cAuthSvc
        , 0   //asAuthSvc
        , 0   //pReserved1
        , RPC_C_AUTHN_LEVEL_PKT_BIPC //dwAuthnLevel
        , RPC_C_IMP_LEVEL_IMPERSONATE_BIPC //dwImpLevel
        , 0   //pAuthList
        , EOAC_NONE_BIPC //dwCapabilities
        , 0   //pReserved3
        );
     if( 0 == sec_init_ret || RPC_E_TOO_LATE_BIPC == sec_init_ret)
     {
        IWbemLocator_BIPC * pIWbemLocator = 0;
        const wchar_t * bstrNamespace = L"root\\cimv2";
  
        if( 0 != CoCreateInstance(
              CLSID_WbemAdministrativeLocator,
              0,
              CLSCTX_INPROC_SERVER_BIPC | CLSCTX_LOCAL_SERVER_BIPC,
              IID_IUnknown, (void **)&pIWbemLocator)){
           return false;
        }
  
        com_releaser<IWbemLocator_BIPC> IWbemLocator_releaser(pIWbemLocator);
  
        IWbemServices_BIPC *pWbemServices = 0;
  
        if( 0 != pIWbemLocator->ConnectServer(
              (bstr)bstrNamespace,  // Namespace
              0,          // Userid
              0,           // PW
              0,           // Locale
              0,              // flags
              0,           // Authority
              0,           // Context
              &pWbemServices
              )
           ){
           return false;
        }
  
        if( S_OK_BIPC != CoSetProxyBlanket(
              pWbemServices,
              RPC_C_AUTHN_DEFAULT_BIPC,
              RPC_C_AUTHZ_DEFAULT_BIPC,
              0,
              RPC_C_AUTHN_LEVEL_PKT_BIPC,
              RPC_C_IMP_LEVEL_IMPERSONATE_BIPC,
              0,
              EOAC_NONE_BIPC
              )
           ){
           return false;
        }
  
        com_releaser<IWbemServices_BIPC> IWbemServices_releaser(pWbemServices);
  
        strValue.clear();
        strValue += L"Select ";
        strValue += wmi_class_var;
        strValue += L" from ";
        strValue += wmi_class;
  
        IEnumWbemClassObject_BIPC * pEnumObject  = 0;
  
        if ( 0 != pWbemServices->ExecQuery(
              (bstr)L"WQL",
              (bstr)strValue.c_str(),
              //WBEM_FLAG_RETURN_IMMEDIATELY_BIPC,
              WBEM_FLAG_RETURN_WHEN_COMPLETE_BIPC | WBEM_FLAG_FORWARD_ONLY_BIPC,
              0,
              &pEnumObject
              )
           ){
           return false;
        }
  
        com_releaser<IEnumWbemClassObject_BIPC> IEnumWbemClassObject_releaser(pEnumObject);
  
        //WBEM_FLAG_FORWARD_ONLY_BIPC incompatible with Reset
        //if ( 0 != pEnumObject->Reset() ){
           //return false;
        //}
  
        wchar_variant vwchar;
        unsigned long uCount = 1, uReturned;
        IWbemClassObject_BIPC * pClassObject = 0;
        while( 0 == pEnumObject->Next( WBEM_INFINITE_BIPC, uCount, &pClassObject, &uReturned ) )
        {
           com_releaser<IWbemClassObject_BIPC> IWbemClassObject_releaser(pClassObject);
           if ( 0 == pClassObject->Get( (bstr)L"LastBootUpTime", 0, &vwchar, 0, 0 ) ){
              bRet = true;
              strValue = (wchar_t*)vwchar.bstrVal;
              VariantClear(&vwchar );
              break;
           }
        }
     }
     return bRet;
  }
  
  #ifdef BOOST_INTERPROCESS_BOOTSTAMP_IS_LASTBOOTUPTIME
  
  //Obtains the bootup time from WMI LastBootUpTime.
  //This time seems to change with hibernation and clock synchronization so avoid it.
  inline bool get_last_bootup_time( std::wstring& strValue )
  {
     bool ret = get_wmi_class_attribute(strValue, L"Win32_OperatingSystem", L"LastBootUpTime");
     std::size_t timezone = strValue.find(L'+');
     if(timezone != std::wstring::npos){
        strValue.erase(timezone);
     }
     timezone = strValue.find(L'-');
     if(timezone != std::wstring::npos){
        strValue.erase(timezone);
     }
     return ret;
  }
  
  inline bool get_last_bootup_time( std::string& str )
  {
     std::wstring wstr;
     bool ret = get_last_bootup_time(wstr);
     str.resize(wstr.size());
     for(std::size_t i = 0, max = str.size(); i != max; ++i){
        str[i] = '0' + (wstr[i]-L'0');
     }
     return ret;
  }
  
  #else
  
  // Loop through the buffer and obtain the contents of the
  // requested record in the buffer.
  inline bool find_record_in_buffer( const void* pBuffer, unsigned long dwBytesRead, const char *provider_name
                                   , unsigned int id_to_find, interprocess_eventlogrecord *&pevent_log_record)
  {
     const unsigned char * pRecord = static_cast<const unsigned char*>(pBuffer);
     const unsigned char * pEndOfRecords = pRecord + dwBytesRead;
  
     while (pRecord < pEndOfRecords){
        interprocess_eventlogrecord *pTypedRecord = (interprocess_eventlogrecord*)pRecord;
        // Check provider, written at the end of the fixed-part of the record
        if (0 == std::strcmp(provider_name, (char*)(pRecord + sizeof(interprocess_eventlogrecord))))
        {
           // Check event id
           if(id_to_find == (pTypedRecord->EventID & 0xFFFF)){
              pevent_log_record = pTypedRecord;
              return true;
           }
        }
  
        pRecord += pTypedRecord->Length;
     }
     pevent_log_record = 0;
     return false;
  }
  
  //Obtains the bootup time from the System Event Log,
  //event ID == 6005 (event log started).
  //Adapted from http://msdn.microsoft.com/en-us/library/windows/desktop/bb427356.aspx
  inline bool get_last_bootup_time(std::string &stamp)
  {
     const char *source_name = "System";
     const char *provider_name = "EventLog";
     const unsigned short event_id = 6005u;
  
     unsigned long status = 0;
     unsigned long dwBytesToRead = 0;
     unsigned long dwBytesRead = 0;
     unsigned long dwMinimumBytesToRead = 0;
  
     // The source name (provider) must exist as a subkey of Application.
     void *hEventLog = OpenEventLogA(0, source_name);
     if (hEventLog){
        eventlog_handle_closer hnd_closer(hEventLog); (void)hnd_closer;
        // Allocate an initial block of memory used to read event records. The number
        // of records read into the buffer will vary depending on the size of each event.
        // The size of each event will vary based on the size of the user-defined
        // data included with each event, the number and length of insertion
        // strings, and other data appended to the end of the event record.
        dwBytesToRead = max_record_buffer_size;
        c_heap_deleter heap_deleter(dwBytesToRead);
  
        // Read blocks of records until you reach the end of the log or an
        // error occurs. The records are read from newest to oldest. If the buffer
        // is not big enough to hold a complete event record, reallocate the buffer.
        if (heap_deleter.get() != 0){
           while (0 == status){
              if (!ReadEventLogA(hEventLog,
                    eventlog_sequential_read | eventlog_backwards_read,
                    0,
                    heap_deleter.get(),
                    dwBytesToRead,
                    &dwBytesRead,
                    &dwMinimumBytesToRead)) {
                 status = get_last_error();
                 if (error_insufficient_buffer == status) {
                    status = 0;
                    dwBytesToRead = dwMinimumBytesToRead;
                    heap_deleter.realloc_mem(dwMinimumBytesToRead);
                    if (!heap_deleter.get()){
                       return false;
                    }
                 }
                 else{  //Not found or EOF
                    return false;
                 }
              }
              else
              {
                 interprocess_eventlogrecord *pTypedRecord;
                 // Print the contents of each record in the buffer.
                 if(find_record_in_buffer(heap_deleter.get(), dwBytesRead, provider_name, event_id, pTypedRecord)){
                    char stamp_str[sizeof(unsigned long)*3+1];
                    std::sprintf(&stamp_str[0], "%u", ((unsigned int)pTypedRecord->TimeGenerated));
                    stamp = stamp_str;
                    break;
                 }
              }
           }
        }
     }
     return true;
  }
  
  #endif
  
  inline bool is_directory(const char *path)
  {
     unsigned long attrib = GetFileAttributesA(path);
  
     return (attrib != invalid_file_attributes &&
             (attrib & file_attribute_directory));
  }
  
  inline bool get_file_mapping_size(void *file_mapping_hnd, __int64 &size)
  {
     NtQuerySection_t pNtQuerySection =
        (NtQuerySection_t)dll_func::get(dll_func::NtQuerySection);
     //Obtain file name
     interprocess_section_basic_information info;
     unsigned long ntstatus =
        pNtQuerySection(file_mapping_hnd, section_basic_information, &info, sizeof(info), 0);
     size = info.section_size;
     return !ntstatus;
  }
  
  inline bool get_semaphore_info(void *handle, long &count, long &limit)
  {
     winapi::interprocess_semaphore_basic_information info;
     winapi::NtQuerySemaphore_t pNtQuerySemaphore =
           (winapi::NtQuerySemaphore_t)dll_func::get(winapi::dll_func::NtQuerySemaphore);
     unsigned int ret_len;
     long status = pNtQuerySemaphore(handle, winapi::semaphore_basic_information, &info, sizeof(info), &ret_len);
     count = info.count;
     limit = info.limit;
     return !status;
  }
  
  inline bool query_timer_resolution(unsigned long *lowres, unsigned long *highres, unsigned long *curres)
  {
     winapi::NtQueryTimerResolution_t pNtQueryTimerResolution =
           (winapi::NtQueryTimerResolution_t)dll_func::get(winapi::dll_func::NtQueryTimerResolution);
     return !pNtQueryTimerResolution(lowres, highres, curres);
  }
  
  inline bool set_timer_resolution(unsigned long RequestedResolution, int Set, unsigned long* ActualResolution)
  {
     winapi::NtSetTimerResolution_t pNtSetTimerResolution =
           (winapi::NtSetTimerResolution_t)dll_func::get(winapi::dll_func::NtSetTimerResolution);
     return !pNtSetTimerResolution(RequestedResolution, Set, ActualResolution);
  }
  
  inline bool query_performance_counter(__int64 *lpPerformanceCount)
  {
     QueryPerformanceCounter_t pQueryPerformanceCounter = (QueryPerformanceCounter_t)
           dll_func::get(dll_func::QueryPerformanceCounter);
     return 0 != pQueryPerformanceCounter(lpPerformanceCount);
  }
  
  inline bool query_performance_frequency(__int64 *lpFrequency)
  {
     QueryPerformanceCounter_t pQueryPerformanceFrequency = (QueryPerformanceFrequency_t)
           dll_func::get(dll_func::QueryPerformanceFrequency);
     return 0 != pQueryPerformanceFrequency(lpFrequency);
  }
  
  inline unsigned long get_tick_count()
  {  return GetTickCount();  }
  
  }  //namespace winapi
  }  //namespace interprocess
  }  //namespace boost
  
  #if defined(BOOST_GCC) && (BOOST_GCC >= 40600)
  #  pragma GCC diagnostic pop
  #endif
  
  #include <boost/interprocess/detail/config_end.hpp>
  
  #endif //#ifdef BOOST_INTERPROCESS_WIN32_API_HPP
  