Fixes #145 ("1.76 now requires unicode paths on windows")

doc/interprocess.qbk

@@ -6664,8 +6664,9 @@ can force this Event Log based timestamp defining BOOST_INTERPROCESS_BOOTSTAMP_I
 
 In any error case (shared documents folder is not defined or bootup time could not be obtained), the library throws an error. You still
 can use [*Boost.Interprocess] defining your own directory as the shared directory. When your shared directory is a compile-time constant,
-define `BOOST_INTERPROCESS_SHARED_DIR_PATH` when using the library and that path will be used to place shared memory files. When you have 
-to determine the shared directory at runtime, define `BOOST_INTERPROCESS_SHARED_DIR_FUNC` and implement the function 
+define `BOOST_INTERPROCESS_SHARED_DIR_PATH` (and BOOST_INTERPROCESS_SHARED_DIR_WPATH in Windows systems) when using the library and that
+path will be used to place shared memory files. When you have to determine the shared directory at runtime,
+define `BOOST_INTERPROCESS_SHARED_DIR_FUNC` and implement the following functions
 
 [c++]
 
@@ -6673,6 +6674,8 @@ to determine the shared directory at runtime, define `BOOST_INTERPROCESS_SHARED_
        namespace interprocess { 
            namespace ipcdetail {
                void get_shared_dir(std::string &shared_dir);
+               //wstring overload is only needed for Windows systems
+               void get_shared_dir(std::wstring &shared_dir);
            }
        }
    }
@@ -6792,6 +6795,14 @@ thank them:
 
 [section:release_notes Release Notes]
 
+[section:release_notes_boost_1_78_00 Boost 1.78 Release]
+
+*  Fixed bugs:
+   * [@https://github.com/boostorg/interprocess/issues/145  GitHub #145 (['"1.76 now requires unicode paths on windows"])].
+
+[endsect]
+
+
 [section:release_notes_boost_1_77_00 Boost 1.77 Release]
 
 *  Interprocess no longer depends on Boost.DateTime. Instead, all timed

include/boost/interprocess/detail/os_file_functions.hpp

@@ -104,7 +104,8 @@ template<class CharT>
 inline bool create_directory(const CharT *path)
 {  return winapi::create_directory(path); }
 
-inline bool remove_directory(const char *path)
+template <class CharT>
+inline bool remove_directory(const CharT *path)
 {  return winapi::remove_directory(path); }
 
 inline bool get_temporary_path(char *buffer, std::size_t buf_len, std::size_t &required_len)

include/boost/interprocess/detail/shared_dir_helpers.hpp

@@ -161,18 +161,32 @@ inline void get_shared_dir_root(std::basic_string<CharT> &dir_path)
 
 #else
 
+#if defined(BOOST_INTERPROCESS_SHARED_DIR_PATH)
+
+inline void get_shared_dir(std::string &shared_dir)
+{
+   shared_dir = BOOST_INTERPROCESS_SHARED_DIR_PATH;
+}
+
+#endif
+
+#if defined(BOOST_INTERPROCESS_SHARED_DIR_WPATH)
+
+inline void get_shared_dir(std::wstring &shared_dir)
+{
+   shared_dir = BOOST_INTERPROCESS_SHARED_DIR_WPATH;
+}
+
+#endif
+
 template<class CharT>
 inline void get_shared_dir(std::basic_string<CharT> &shared_dir)
 {
-   #if defined(BOOST_INTERPROCESS_SHARED_DIR_PATH)
-      shared_dir = BOOST_INTERPROCESS_SHARED_DIR_PATH;
-   #else 
       get_shared_dir_root(shared_dir);
       #if defined(BOOST_INTERPROCESS_HAS_KERNEL_BOOTTIME)
          shared_dir += shared_dir_constants<CharT>::dir_separator();
          get_bootstamp(shared_dir, true);
       #endif
-   #endif
 }
 #endif
 

test/windows_shared_dir_path.cpp

@@ -0,0 +1,91 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2004-2012. 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.
+//
+//////////////////////////////////////////////////////////////////////////////
+
+#include <boost/config.hpp>
+
+#ifdef BOOST_WINDOWS
+
+//Force user-defined get_shared_dir
+#define BOOST_INTERPROCESS_SHARED_DIR_PATH boost::interprocess::ipcdetail::get_temporary_path()
+#define BOOST_INTERPROCESS_SHARED_DIR_WPATH boost::interprocess::ipcdetail::get_temporary_wpath()
+#include <string>
+
+#include "get_process_id_name.hpp"
+
+#include <boost/interprocess/shared_memory_object.hpp>
+#include <iostream>
+
+int main ()
+{
+   using namespace boost::interprocess;
+
+   int ret = 0;
+
+   {
+      std::string pname= boost::interprocess::test::get_process_id_name();
+      const char *const shm_name = pname.c_str();
+
+      shared_memory_object::remove(shm_name);
+      std::string shared_dir;
+      ipcdetail::get_shared_dir(shared_dir);
+
+      std::string shm_path(shared_dir);
+      shm_path += "/";
+      shm_path += shm_name;
+      {
+         shared_memory_object shm(create_only, shm_name, read_write);
+      }
+
+      ret = ipcdetail::invalid_file() == ipcdetail::open_existing_file(shm_path.c_str(), read_only) ?
+               1 : 0;
+      if(ret)
+      {
+         std::cerr << "Error opening user get_shared_dir()/shm file" << std::endl;
+         return ret;
+      }
+
+      shared_memory_object::remove(shm_name);
+   }
+   {
+      std::wstring wpname= boost::interprocess::test::get_process_id_wname();
+      const wchar_t *const wshm_name = wpname.c_str();
+
+      shared_memory_object::remove(wshm_name);
+      std::wstring wshared_dir;
+      ipcdetail::get_shared_dir(wshared_dir);
+
+      shared_memory_object::remove(wshm_name);
+      std::wstring wshm_path(wshared_dir);
+      wshm_path += L"/";
+      wshm_path += wshm_name;
+      {
+         shared_memory_object shm(create_only, wshm_name, read_write);
+      }
+      ret = ipcdetail::invalid_file() == ipcdetail::open_existing_file(wshm_path.c_str(), read_only) ?
+               1 : 0;
+      if(ret)
+      {
+         std::cerr << "Error opening user get_shared_dir()/wshm file" << std::endl;
+         return ret;
+      }
+      shared_memory_object::remove(wshm_name);
+   }
+
+   return ret;
+}
+
+#else
+
+int main()
+{
+   return 0;
+}
+
+#endif   //#ifdef BOOST_WINDOWS