Squashed 'boost/' content from commit b4feb19f2

git-subtree-dir: boost
git-subtree-split: b4feb19f287ee92d87a9624b5d36b7cf46aeadeb

boost/interprocess/sync/windows/mutex.hpp

@@ -0,0 +1,118 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (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_DETAIL_WINDOWS_MUTEX_HPP
+#define BOOST_INTERPROCESS_DETAIL_WINDOWS_MUTEX_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/interprocess/detail/posix_time_types_wrk.hpp>
+#include <boost/interprocess/detail/win32_api.hpp>
+#include <boost/interprocess/detail/windows_intermodule_singleton.hpp>
+#include <boost/interprocess/sync/windows/sync_utils.hpp>
+#include <boost/interprocess/sync/windows/winapi_mutex_wrapper.hpp>
+#include <boost/interprocess/exceptions.hpp>
+
+
+namespace boost {
+namespace interprocess {
+namespace ipcdetail {
+
+class windows_mutex
+{
+   windows_mutex(const windows_mutex &);
+   windows_mutex &operator=(const windows_mutex &);
+   public:
+
+   windows_mutex();
+   ~windows_mutex();
+
+   void lock();
+   bool try_lock();
+   bool timed_lock(const boost::posix_time::ptime &abs_time);
+   void unlock();
+   void take_ownership(){};
+
+   private:
+   const sync_id id_;
+};
+
+inline windows_mutex::windows_mutex()
+   : id_(this)
+{
+   sync_handles &handles =
+      windows_intermodule_singleton<sync_handles>::get();
+   //Create mutex with the initial count
+   bool open_or_created;
+   (void)handles.obtain_mutex(this->id_, &open_or_created);
+   //The mutex must be created, never opened
+   BOOST_ASSERT(open_or_created);
+   BOOST_ASSERT(open_or_created && winapi::get_last_error() != winapi::error_already_exists);
+   (void)open_or_created;
+}
+
+inline windows_mutex::~windows_mutex()
+{
+   sync_handles &handles =
+      windows_intermodule_singleton<sync_handles>::get();
+   handles.destroy_handle(this->id_);
+}
+
+inline void windows_mutex::lock(void)
+{
+   sync_handles &handles =
+      windows_intermodule_singleton<sync_handles>::get();
+   //This can throw
+   winapi_mutex_functions mut(handles.obtain_mutex(this->id_));
+   mut.lock();
+}
+
+inline bool windows_mutex::try_lock(void)
+{
+   sync_handles &handles =
+      windows_intermodule_singleton<sync_handles>::get();
+   //This can throw
+   winapi_mutex_functions mut(handles.obtain_mutex(this->id_));
+   return mut.try_lock();
+}
+
+inline bool windows_mutex::timed_lock(const boost::posix_time::ptime &abs_time)
+{
+   sync_handles &handles =
+      windows_intermodule_singleton<sync_handles>::get();
+   //This can throw
+   winapi_mutex_functions mut(handles.obtain_mutex(this->id_));
+   return mut.timed_lock(abs_time);
+}
+
+inline void windows_mutex::unlock(void)
+{
+   sync_handles &handles =
+      windows_intermodule_singleton<sync_handles>::get();
+   //This can throw
+   winapi_mutex_functions mut(handles.obtain_mutex(this->id_));
+   return mut.unlock();
+}
+
+}  //namespace ipcdetail {
+}  //namespace interprocess {
+}  //namespace boost {
+
+#include <boost/interprocess/detail/config_end.hpp>
+
+#endif   //BOOST_INTERPROCESS_DETAIL_WINDOWS_MUTEX_HPP

boost/interprocess/sync/windows/named_mutex.hpp

@@ -0,0 +1,179 @@
+ //////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2011-2012. 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_WINDOWS_NAMED_MUTEX_HPP
+#define BOOST_INTERPROCESS_WINDOWS_NAMED_MUTEX_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/interprocess/creation_tags.hpp>
+#include <boost/interprocess/permissions.hpp>
+#include <boost/interprocess/detail/interprocess_tester.hpp>
+#include <boost/interprocess/detail/posix_time_types_wrk.hpp>
+#include <boost/interprocess/sync/windows/sync_utils.hpp>
+#include <boost/interprocess/sync/windows/named_sync.hpp>
+#include <boost/interprocess/sync/windows/winapi_mutex_wrapper.hpp>
+#include <boost/interprocess/errors.hpp>
+#include <boost/interprocess/exceptions.hpp>
+#include <limits>
+
+namespace boost {
+namespace interprocess {
+namespace ipcdetail {
+
+
+
+class windows_named_mutex
+{
+   #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
+
+   //Non-copyable
+   windows_named_mutex();
+   windows_named_mutex(const windows_named_mutex &);
+   windows_named_mutex &operator=(const windows_named_mutex &);
+   #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
+
+   public:
+   windows_named_mutex(create_only_t, const char *name, const permissions &perm = permissions());
+
+   windows_named_mutex(open_or_create_t, const char *name, const permissions &perm = permissions());
+
+   windows_named_mutex(open_only_t, const char *name);
+
+   ~windows_named_mutex();
+
+   void unlock();
+   void lock();
+   bool try_lock();
+   bool timed_lock(const boost::posix_time::ptime &abs_time);
+
+   static bool remove(const char *name);
+
+   #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
+   private:
+   friend class interprocess_tester;
+   void dont_close_on_destruction();
+   winapi_mutex_wrapper m_mtx_wrapper;
+   windows_named_sync m_named_sync;
+
+   class named_mut_callbacks : public windows_named_sync_interface
+   {
+      public:
+      named_mut_callbacks(winapi_mutex_wrapper &mtx_wrapper)
+         : m_mtx_wrapper(mtx_wrapper)
+      {}
+
+      virtual std::size_t get_data_size() const
+      {  return 0u;   }
+
+      virtual const void *buffer_with_init_data_to_file()
+      {  return 0; }
+
+      virtual const void *buffer_with_final_data_to_file()
+      {  return 0; }
+
+      virtual void *buffer_to_store_init_data_from_file()
+      {  return 0; }
+
+      virtual bool open(create_enum_t, const char *id_name)
+      {
+         std::string aux_str  = "Global\\bipc.mut.";
+         aux_str += id_name;
+         //
+         permissions mut_perm;
+         mut_perm.set_unrestricted();
+         return m_mtx_wrapper.open_or_create(aux_str.c_str(), mut_perm);
+      }
+
+      virtual void close()
+      {
+         m_mtx_wrapper.close();
+      }
+
+      virtual ~named_mut_callbacks()
+      {}
+
+      private:
+      winapi_mutex_wrapper&     m_mtx_wrapper;
+   };
+   #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
+};
+
+inline windows_named_mutex::~windows_named_mutex()
+{
+   named_mut_callbacks callbacks(m_mtx_wrapper);
+   m_named_sync.close(callbacks);
+}
+
+inline void windows_named_mutex::dont_close_on_destruction()
+{}
+
+inline windows_named_mutex::windows_named_mutex
+   (create_only_t, const char *name, const permissions &perm)
+   : m_mtx_wrapper()
+{
+   named_mut_callbacks callbacks(m_mtx_wrapper);
+   m_named_sync.open_or_create(DoCreate, name, perm, callbacks);
+}
+
+inline windows_named_mutex::windows_named_mutex
+   (open_or_create_t, const char *name, const permissions &perm)
+   : m_mtx_wrapper()
+{
+   named_mut_callbacks callbacks(m_mtx_wrapper);
+   m_named_sync.open_or_create(DoOpenOrCreate, name, perm, callbacks);
+}
+
+inline windows_named_mutex::windows_named_mutex(open_only_t, const char *name)
+   : m_mtx_wrapper()
+{
+   named_mut_callbacks callbacks(m_mtx_wrapper);
+   m_named_sync.open_or_create(DoOpen, name, permissions(), callbacks);
+}
+
+inline void windows_named_mutex::unlock()
+{
+   m_mtx_wrapper.unlock();
+}
+
+inline void windows_named_mutex::lock()
+{
+   m_mtx_wrapper.lock();
+}
+
+inline bool windows_named_mutex::try_lock()
+{
+   return m_mtx_wrapper.try_lock();
+}
+
+inline bool windows_named_mutex::timed_lock(const boost::posix_time::ptime &abs_time)
+{
+   return m_mtx_wrapper.timed_lock(abs_time);
+}
+
+inline bool windows_named_mutex::remove(const char *name)
+{
+   return windows_named_sync::remove(name);
+}
+
+}  //namespace ipcdetail {
+}  //namespace interprocess {
+}  //namespace boost {
+
+#include <boost/interprocess/detail/config_end.hpp>
+
+#endif   //BOOST_INTERPROCESS_WINDOWS_NAMED_MUTEX_HPP

boost/interprocess/sync/windows/named_sync.hpp

@@ -0,0 +1,219 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2011-2012. 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_WINDOWS_NAMED_SYNC_HPP
+#define BOOST_INTERPROCESS_WINDOWS_NAMED_SYNC_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/interprocess/creation_tags.hpp>
+#include <boost/interprocess/permissions.hpp>
+#include <boost/interprocess/detail/shared_dir_helpers.hpp>
+#include <boost/interprocess/sync/windows/sync_utils.hpp>
+#include <boost/interprocess/errors.hpp>
+#include <boost/interprocess/exceptions.hpp>
+#include <string>
+#include <boost/assert.hpp>
+
+namespace boost {
+namespace interprocess {
+namespace ipcdetail {
+
+class windows_named_sync_interface
+{
+   public:
+   virtual std::size_t get_data_size() const = 0;
+   virtual const void *buffer_with_final_data_to_file() = 0;
+   virtual const void *buffer_with_init_data_to_file() = 0;
+   virtual void *buffer_to_store_init_data_from_file() = 0;
+   virtual bool open(create_enum_t creation_type, const char *id_name) = 0;
+   virtual void close() = 0;
+   virtual ~windows_named_sync_interface() = 0;
+};
+
+inline windows_named_sync_interface::~windows_named_sync_interface()
+{}
+
+class windows_named_sync
+{
+   #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
+
+   //Non-copyable
+   windows_named_sync(const windows_named_sync &);
+   windows_named_sync &operator=(const windows_named_sync &);
+   #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
+
+   public:
+   windows_named_sync();
+   void open_or_create(create_enum_t creation_type, const char *name, const permissions &perm, windows_named_sync_interface &sync_interface);
+   void close(windows_named_sync_interface &sync_interface);
+
+   static bool remove(const char *name);
+
+   #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
+   private:
+   void *m_file_hnd;
+
+   #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
+};
+
+inline windows_named_sync::windows_named_sync()
+   : m_file_hnd(winapi::invalid_handle_value)
+{}
+
+inline void windows_named_sync::close(windows_named_sync_interface &sync_interface)
+{
+   const std::size_t buflen = sync_interface.get_data_size();
+   const std::size_t sizeof_file_info = sizeof(sync_id::internal_type) + buflen;
+   winapi::interprocess_overlapped overlapped;
+   if(winapi::lock_file_ex
+      (m_file_hnd, winapi::lockfile_exclusive_lock, 0, sizeof_file_info, 0, &overlapped)){
+      if(winapi::set_file_pointer_ex(m_file_hnd, sizeof(sync_id::internal_type), 0, winapi::file_begin)){
+         const void *buf = sync_interface.buffer_with_final_data_to_file();
+
+         unsigned long written_or_read = 0;
+         if(winapi::write_file(m_file_hnd, buf, buflen, &written_or_read, 0)){
+            //...
+         }
+      }
+   }
+   sync_interface.close();
+   if(m_file_hnd != winapi::invalid_handle_value){
+      winapi::close_handle(m_file_hnd);
+      m_file_hnd = winapi::invalid_handle_value;
+   }
+}
+
+inline void windows_named_sync::open_or_create
+   ( create_enum_t creation_type
+   , const char *name
+   , const permissions &perm
+   , windows_named_sync_interface &sync_interface)
+{
+   std::string aux_str(name);
+   m_file_hnd  = winapi::invalid_handle_value;
+   //Use a file to emulate POSIX lifetime semantics. After this logic
+   //we'll obtain the ID of the native handle to open in aux_str
+   {
+      create_shared_dir_cleaning_old_and_get_filepath(name, aux_str);
+      //Create a file with required permissions.
+      m_file_hnd = winapi::create_file
+         ( aux_str.c_str()
+         , winapi::generic_read | winapi::generic_write
+         , creation_type == DoOpen ? winapi::open_existing :
+               (creation_type == DoCreate ? winapi::create_new : winapi::open_always)
+         , 0
+         , (winapi::interprocess_security_attributes*)perm.get_permissions());
+
+      //Obtain OS error in case something has failed
+      error_info err;
+      bool success = false;
+      if(m_file_hnd != winapi::invalid_handle_value){
+         //Now lock the file
+         const std::size_t buflen = sync_interface.get_data_size();
+         typedef __int64 unique_id_type;
+         const std::size_t sizeof_file_info = sizeof(unique_id_type) + buflen;
+         winapi::interprocess_overlapped overlapped;
+         if(winapi::lock_file_ex
+            (m_file_hnd, winapi::lockfile_exclusive_lock, 0, sizeof_file_info, 0, &overlapped)){
+            __int64 filesize = 0;
+            //Obtain the unique id to open the native semaphore.
+            //If file size was created
+            if(winapi::get_file_size(m_file_hnd, filesize)){
+               unsigned long written_or_read = 0;
+               unique_id_type unique_id_val;
+               if(static_cast<std::size_t>(filesize) != sizeof_file_info){
+                  winapi::set_end_of_file(m_file_hnd);
+                  winapi::query_performance_counter(&unique_id_val);
+                  const void *buf = sync_interface.buffer_with_init_data_to_file();
+                  //Write unique ID in file. This ID will be used to calculate the semaphore name
+                  if(winapi::write_file(m_file_hnd, &unique_id_val, sizeof(unique_id_val), &written_or_read, 0)  &&
+                     written_or_read == sizeof(unique_id_val) &&
+                     winapi::write_file(m_file_hnd, buf, buflen, &written_or_read, 0) &&
+                     written_or_read == buflen ){
+                     success = true;
+                  }
+                  winapi::get_file_size(m_file_hnd, filesize);
+                  BOOST_ASSERT(std::size_t(filesize) == sizeof_file_info);
+               }
+               else{
+                  void *buf = sync_interface.buffer_to_store_init_data_from_file();
+                  if(winapi::read_file(m_file_hnd, &unique_id_val, sizeof(unique_id_val), &written_or_read, 0)  &&
+                     written_or_read == sizeof(unique_id_val) &&
+                     winapi::read_file(m_file_hnd, buf, buflen, &written_or_read, 0)  &&
+                     written_or_read == buflen   ){
+                     success = true;
+                  }
+               }
+               if(success){
+                  //Now create a global semaphore name based on the unique id
+                  char unique_id_name[sizeof(unique_id_val)*2+1];
+                  std::size_t name_suffix_length = sizeof(unique_id_name);
+                  bytes_to_str(&unique_id_val, sizeof(unique_id_val), &unique_id_name[0], name_suffix_length);
+                  success = sync_interface.open(creation_type, unique_id_name);
+               }
+            }
+
+            //Obtain OS error in case something has failed
+            err = system_error_code();
+
+            //If this fails we have no possible rollback so don't check the return
+            if(!winapi::unlock_file_ex(m_file_hnd, 0, sizeof_file_info, 0, &overlapped)){
+               err = system_error_code();
+            }
+         }
+         else{
+            //Obtain OS error in case something has failed
+            err = system_error_code();
+         }
+      }
+      else{
+         err = system_error_code();
+      }
+
+      if(!success){
+         if(m_file_hnd != winapi::invalid_handle_value){
+            winapi::close_handle(m_file_hnd);
+            m_file_hnd = winapi::invalid_handle_value;
+         }
+         //Throw as something went wrong
+         throw interprocess_exception(err);
+      }
+   }
+}
+
+inline bool windows_named_sync::remove(const char *name)
+{
+   try{
+      //Make sure a temporary path is created for shared memory
+      std::string semfile;
+      ipcdetail::shared_filepath(name, semfile);
+      return winapi::unlink_file(semfile.c_str());
+   }
+   catch(...){
+      return false;
+   }
+}
+
+}  //namespace ipcdetail {
+}  //namespace interprocess {
+}  //namespace boost {
+
+#include <boost/interprocess/detail/config_end.hpp>
+
+#endif   //BOOST_INTERPROCESS_WINDOWS_NAMED_SYNC_HPP

boost/interprocess/sync/windows/sync_utils.hpp

@@ -0,0 +1,240 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (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_DETAIL_SYNC_UTILS_HPP
+#define BOOST_INTERPROCESS_DETAIL_SYNC_UTILS_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/interprocess/detail/win32_api.hpp>
+#include <boost/interprocess/sync/spin/mutex.hpp>
+#include <boost/interprocess/exceptions.hpp>
+#include <boost/interprocess/sync/scoped_lock.hpp>
+#include <boost/interprocess/sync/windows/winapi_semaphore_wrapper.hpp>
+#include <boost/interprocess/sync/windows/winapi_mutex_wrapper.hpp>
+
+//Shield against external warnings
+#include <boost/interprocess/detail/config_external_begin.hpp>
+   #include <boost/unordered/unordered_map.hpp>
+#include <boost/interprocess/detail/config_external_end.hpp>
+
+
+#include <boost/container/map.hpp>
+#include <cstddef>
+
+namespace boost {
+namespace interprocess {
+namespace ipcdetail {
+
+inline bool bytes_to_str(const void *mem, const std::size_t mem_length, char *out_str, std::size_t &out_length)
+{
+   const std::size_t need_mem = mem_length*2+1;
+   if(out_length < need_mem){
+      out_length = need_mem;
+      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;
+   const char *buf = (const char *)mem;
+   for(std::size_t i = 0; i != mem_length; ++i){
+      out_str[char_counter++] = Characters[(buf[i]&0xF0)>>4];
+      out_str[char_counter++] = Characters[(buf[i]&0x0F)];
+   }
+   out_str[char_counter] = 0;
+   return true;
+}
+
+class sync_id
+{
+   public:
+   typedef __int64 internal_type;
+   sync_id(const void *map_addr)
+      : map_addr_(map_addr)
+   {  winapi::query_performance_counter(&rand_);  }
+
+   explicit sync_id(internal_type val, const void *map_addr)
+      : map_addr_(map_addr)
+   {  rand_ = val;  }
+
+   const internal_type &internal_pod() const
+   {  return rand_;  }
+
+   internal_type &internal_pod()
+   {  return rand_;  }
+
+   const void *map_address() const
+   {  return map_addr_;  }
+
+   friend std::size_t hash_value(const sync_id &m)
+   {  return boost::hash_value(m.rand_);  }
+
+   friend bool operator==(const sync_id &l, const sync_id &r)
+   {  return l.rand_ == r.rand_ && l.map_addr_ == r.map_addr_;  }
+
+   private:
+   internal_type rand_;
+   const void * const map_addr_;
+};
+
+class sync_handles
+{
+   public:
+   enum type { MUTEX, SEMAPHORE };
+
+   private:
+   struct address_less
+   {
+      bool operator()(sync_id const * const l, sync_id const * const r) const
+      {  return l->map_address() <  r->map_address(); }
+   };
+
+   typedef boost::unordered_map<sync_id, void*> umap_type;
+   typedef boost::container::map<const sync_id*, umap_type::iterator, address_less> map_type;
+   static const std::size_t LengthOfGlobal = sizeof("Global\\boost.ipc")-1;
+   static const std::size_t StrSize        = LengthOfGlobal + (sizeof(sync_id)*2+1);
+   typedef char NameBuf[StrSize];
+
+
+   void fill_name(NameBuf &name, const sync_id &id)
+   {
+      const char *n = "Global\\boost.ipc";
+      std::size_t i = 0;
+      do{
+         name[i] = n[i];
+         ++i;
+      } while(n[i]);
+      std::size_t len = sizeof(NameBuf) - LengthOfGlobal;
+      bytes_to_str(&id.internal_pod(), sizeof(id.internal_pod()), &name[LengthOfGlobal], len);
+   }
+
+   void throw_if_error(void *hnd_val)
+   {
+      if(!hnd_val){
+         error_info err(winapi::get_last_error());
+         throw interprocess_exception(err);
+      }
+   }
+
+   void* open_or_create_semaphore(const sync_id &id, unsigned int initial_count)
+   {
+      NameBuf name;
+      fill_name(name, id);
+      permissions unrestricted_security;
+      unrestricted_security.set_unrestricted();
+      winapi_semaphore_wrapper sem_wrapper;
+      bool created;
+      sem_wrapper.open_or_create
+         (name, (long)initial_count, winapi_semaphore_wrapper::MaxCount, unrestricted_security, created);
+      throw_if_error(sem_wrapper.handle());
+      return sem_wrapper.release();
+   }
+
+   void* open_or_create_mutex(const sync_id &id)
+   {
+      NameBuf name;
+      fill_name(name, id);
+      permissions unrestricted_security;
+      unrestricted_security.set_unrestricted();
+      winapi_mutex_wrapper mtx_wrapper;
+      mtx_wrapper.open_or_create(name, unrestricted_security);
+      throw_if_error(mtx_wrapper.handle());
+      return mtx_wrapper.release();
+   }
+
+   public:
+   void *obtain_mutex(const sync_id &id, bool *popen_created = 0)
+   {
+      umap_type::value_type v(id, (void*)0);
+      scoped_lock<spin_mutex> lock(mtx_);
+      umap_type::iterator it = umap_.insert(v).first;
+      void *&hnd_val = it->second;
+      if(!hnd_val){
+         map_[&it->first] = it;
+         hnd_val = open_or_create_mutex(id);
+         if(popen_created) *popen_created = true;
+      }
+      else if(popen_created){
+         *popen_created = false;
+      }
+      return hnd_val;
+   }
+
+   void *obtain_semaphore(const sync_id &id, unsigned int initial_count, bool *popen_created = 0)
+   {
+      umap_type::value_type v(id, (void*)0);
+      scoped_lock<spin_mutex> lock(mtx_);
+      umap_type::iterator it = umap_.insert(v).first;
+      void *&hnd_val = it->second;
+      if(!hnd_val){
+         map_[&it->first] = it;
+         hnd_val = open_or_create_semaphore(id, initial_count);
+         if(popen_created) *popen_created = true;
+      }
+      else if(popen_created){
+         *popen_created = false;
+      }
+      return hnd_val;
+   }
+
+   void destroy_handle(const sync_id &id)
+   {
+      scoped_lock<spin_mutex> lock(mtx_);
+      umap_type::iterator it = umap_.find(id);
+      umap_type::iterator itend = umap_.end();
+
+      if(it != itend){
+         winapi::close_handle(it->second);
+         const map_type::key_type &k = &it->first;
+         map_.erase(k);
+         umap_.erase(it);
+      }
+   }
+
+   void destroy_syncs_in_range(const void *addr, std::size_t size)
+   {
+      const sync_id low_id(addr);
+      const sync_id hig_id(static_cast<const char*>(addr)+size);
+      scoped_lock<spin_mutex> lock(mtx_);
+      map_type::iterator itlow(map_.lower_bound(&low_id)),
+                         ithig(map_.lower_bound(&hig_id));
+      while(itlow != ithig){
+         void * const hnd = umap_[*itlow->first];
+         winapi::close_handle(hnd);
+         umap_.erase(*itlow->first);
+         itlow = map_.erase(itlow);
+      }
+   }
+
+   private:
+   spin_mutex mtx_;
+   umap_type umap_;
+   map_type map_;
+};
+
+
+}  //namespace ipcdetail {
+}  //namespace interprocess {
+}  //namespace boost {
+
+#include <boost/interprocess/detail/config_end.hpp>
+
+#endif   //BOOST_INTERPROCESS_DETAIL_SYNC_UTILS_HPP

boost/interprocess/sync/windows/winapi_mutex_wrapper.hpp

@@ -0,0 +1,134 @@
+ //////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2011-2012. 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_DETAIL_WINAPI_MUTEX_WRAPPER_HPP
+#define BOOST_INTERPROCESS_DETAIL_WINAPI_MUTEX_WRAPPER_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/interprocess/creation_tags.hpp>
+#include <boost/interprocess/permissions.hpp>
+#include <boost/interprocess/detail/win32_api.hpp>
+#include <boost/interprocess/detail/posix_time_types_wrk.hpp>
+#include <boost/interprocess/sync/windows/winapi_wrapper_common.hpp>
+#include <boost/interprocess/errors.hpp>
+#include <boost/interprocess/exceptions.hpp>
+#include <limits>
+
+namespace boost {
+namespace interprocess {
+namespace ipcdetail {
+
+class winapi_mutex_functions
+{
+   #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
+
+   //Non-copyable
+   winapi_mutex_functions(const winapi_mutex_functions &);
+   winapi_mutex_functions &operator=(const winapi_mutex_functions &);
+   #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
+
+   public:
+   winapi_mutex_functions(void *mtx_hnd)
+      : m_mtx_hnd(mtx_hnd)
+   {}
+
+   void unlock()
+   {  winapi::release_mutex(m_mtx_hnd);   }
+
+   void lock()
+   {  return winapi_wrapper_wait_for_single_object(m_mtx_hnd);  }
+
+   bool try_lock()
+   {  return winapi_wrapper_try_wait_for_single_object(m_mtx_hnd);  }
+
+   bool timed_lock(const boost::posix_time::ptime &abs_time)
+   {  return winapi_wrapper_timed_wait_for_single_object(m_mtx_hnd, abs_time);  }
+
+   #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
+   protected:
+   void *m_mtx_hnd;
+   #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
+};
+
+//Swappable mutex wrapper
+class winapi_mutex_wrapper
+   : public winapi_mutex_functions
+{
+   #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
+
+   //Non-copyable
+   winapi_mutex_wrapper(const winapi_mutex_wrapper &);
+   winapi_mutex_wrapper &operator=(const winapi_mutex_wrapper &);
+   #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
+
+   //Note that Windows API does not return winapi::invalid_handle_value
+   //when failing to create/open a mutex, but a nullptr
+
+   public:
+   winapi_mutex_wrapper(void *mtx_hnd = 0)
+      : winapi_mutex_functions(mtx_hnd)
+   {}
+
+   ~winapi_mutex_wrapper()
+   {  this->close(); }
+
+   void *release()
+   {
+      void *hnd = m_mtx_hnd;
+      m_mtx_hnd = 0;
+      return hnd;
+   }
+
+   void *handle() const
+   {  return m_mtx_hnd; }
+
+   bool open_or_create(const char *name, const permissions &perm)
+   {
+      if(m_mtx_hnd == 0){
+         m_mtx_hnd = winapi::open_or_create_mutex
+            ( name
+            , false
+            , (winapi::interprocess_security_attributes*)perm.get_permissions()
+            );
+         return m_mtx_hnd != 0;
+      }
+      else{
+         return false;
+      }
+   }
+
+   void close()
+   {
+      if(m_mtx_hnd != 0){
+         winapi::close_handle(m_mtx_hnd);
+         m_mtx_hnd = 0;
+      }
+   }
+
+   void swap(winapi_mutex_wrapper &other)
+   {  void *tmp = m_mtx_hnd; m_mtx_hnd = other.m_mtx_hnd; other.m_mtx_hnd = tmp;   }
+};
+
+}  //namespace ipcdetail {
+}  //namespace interprocess {
+}  //namespace boost {
+
+#include <boost/interprocess/detail/config_end.hpp>
+
+#endif   //BOOST_INTERPROCESS_DETAIL_WINAPI_MUTEX_WRAPPER_HPP

boost/interprocess/sync/windows/winapi_semaphore_wrapper.hpp

@@ -0,0 +1,168 @@
+ //////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2011-2012. 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_DETAIL_WINAPI_SEMAPHORE_WRAPPER_HPP
+#define BOOST_INTERPROCESS_DETAIL_WINAPI_SEMAPHORE_WRAPPER_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/interprocess/creation_tags.hpp>
+#include <boost/interprocess/permissions.hpp>
+#include <boost/interprocess/detail/win32_api.hpp>
+#include <boost/interprocess/detail/posix_time_types_wrk.hpp>
+#include <boost/interprocess/sync/windows/winapi_wrapper_common.hpp>
+#include <boost/interprocess/errors.hpp>
+#include <boost/interprocess/exceptions.hpp>
+#include <limits>
+
+namespace boost {
+namespace interprocess {
+namespace ipcdetail {
+
+class winapi_semaphore_functions
+{
+   #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
+
+   //Non-copyable
+   winapi_semaphore_functions(const winapi_semaphore_functions &);
+   winapi_semaphore_functions &operator=(const winapi_semaphore_functions &);
+   #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
+
+   public:
+   winapi_semaphore_functions(void *hnd)
+      : m_sem_hnd(hnd)
+   {}
+
+   void post(long count = 1)
+   {
+      long prev_count;
+      winapi::release_semaphore(m_sem_hnd, count, &prev_count);
+   }
+
+   void wait()
+   {  return winapi_wrapper_wait_for_single_object(m_sem_hnd);  }
+
+   bool try_wait()
+   {  return winapi_wrapper_try_wait_for_single_object(m_sem_hnd);  }
+
+   bool timed_wait(const boost::posix_time::ptime &abs_time)
+   {  return winapi_wrapper_timed_wait_for_single_object(m_sem_hnd, abs_time);  }
+
+   long value() const
+   {
+      long l_count, l_limit;
+      if(!winapi::get_semaphore_info(m_sem_hnd, l_count, l_limit))
+         return 0;
+      return l_count;
+   }
+
+   long limit() const
+   {
+      long l_count, l_limit;
+      if(!winapi::get_semaphore_info(m_sem_hnd, l_count, l_limit))
+         return 0;
+      return l_limit;
+   }
+
+   #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
+   protected:
+   void *m_sem_hnd;
+   #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
+};
+
+
+//Swappable semaphore wrapper
+class winapi_semaphore_wrapper
+   : public winapi_semaphore_functions
+{
+   winapi_semaphore_wrapper(const winapi_semaphore_wrapper &);
+   winapi_semaphore_wrapper &operator=(const winapi_semaphore_wrapper &);
+
+   public:
+
+   //Long is 32 bits in windows
+   static const long MaxCount = long(0x7FFFFFFF);
+
+   winapi_semaphore_wrapper(void *hnd = winapi::invalid_handle_value)
+      : winapi_semaphore_functions(hnd)
+   {}
+
+   ~winapi_semaphore_wrapper()
+   {  this->close(); }
+
+   void *release()
+   {
+      void *hnd = m_sem_hnd;
+      m_sem_hnd = winapi::invalid_handle_value;
+      return hnd;
+   }
+
+   void *handle() const
+   {  return m_sem_hnd; }
+
+   bool open_or_create( const char *name
+                      , long sem_count
+                      , long max_count
+                      , const permissions &perm
+                      , bool &created)
+   {
+      if(m_sem_hnd == winapi::invalid_handle_value){
+         m_sem_hnd = winapi::open_or_create_semaphore
+            ( name
+            , sem_count
+            , max_count
+            , (winapi::interprocess_security_attributes*)perm.get_permissions()
+            );
+         created = winapi::get_last_error() != winapi::error_already_exists;
+         return m_sem_hnd != winapi::invalid_handle_value;
+      }
+      else{
+         return false;
+      }
+   }
+
+   bool open_semaphore(const char *name)
+   {
+      if(m_sem_hnd == winapi::invalid_handle_value){
+         m_sem_hnd = winapi::open_semaphore(name);
+         return m_sem_hnd != winapi::invalid_handle_value;
+      }
+      else{
+         return false;
+      }
+   }
+
+   void close()
+   {
+      if(m_sem_hnd != winapi::invalid_handle_value){
+         winapi::close_handle(m_sem_hnd);
+         m_sem_hnd = winapi::invalid_handle_value;
+      }
+   }
+
+   void swap(winapi_semaphore_wrapper &other)
+   {  void *tmp = m_sem_hnd; m_sem_hnd = other.m_sem_hnd; other.m_sem_hnd = tmp;   }
+};
+
+}  //namespace ipcdetail {
+}  //namespace interprocess {
+}  //namespace boost {
+
+#include <boost/interprocess/detail/config_end.hpp>
+
+#endif   //BOOST_INTERPROCESS_DETAIL_WINAPI_SEMAPHORE_WRAPPER_HPP

boost/interprocess/sync/windows/winapi_wrapper_common.hpp

@@ -0,0 +1,97 @@
+ //////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2011-2012. 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_DETAIL_WINAPI_WRAPPER_COMMON_HPP
+#define BOOST_INTERPROCESS_DETAIL_WINAPI_WRAPPER_COMMON_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/interprocess/detail/win32_api.hpp>
+#include <boost/interprocess/detail/posix_time_types_wrk.hpp>
+#include <boost/interprocess/errors.hpp>
+#include <boost/interprocess/exceptions.hpp>
+#include <limits>
+
+namespace boost {
+namespace interprocess {
+namespace ipcdetail {
+
+inline void winapi_wrapper_wait_for_single_object(void *handle)
+{
+   unsigned long ret = winapi::wait_for_single_object(handle, winapi::infinite_time);
+   if(ret != winapi::wait_object_0){
+      if(ret != winapi::wait_abandoned){
+         error_info err = system_error_code();
+         throw interprocess_exception(err);
+      }
+      else{ //Special case for orphaned mutexes
+         winapi::release_mutex(handle);
+         throw interprocess_exception(owner_dead_error);
+      }
+   }
+}
+
+inline bool winapi_wrapper_try_wait_for_single_object(void *handle)
+{
+   unsigned long ret = winapi::wait_for_single_object(handle, 0);
+   if(ret == winapi::wait_object_0){
+      return true;
+   }
+   else if(ret == winapi::wait_timeout){
+      return false;
+   }
+   else{
+      error_info err = system_error_code();
+      throw interprocess_exception(err);
+   }
+}
+
+inline bool winapi_wrapper_timed_wait_for_single_object(void *handle, const boost::posix_time::ptime &abs_time)
+{
+   //Windows does not support infinity abs_time so check it
+   if(abs_time == boost::posix_time::pos_infin){
+      winapi_wrapper_wait_for_single_object(handle);
+      return true;
+   }
+   const boost::posix_time::ptime cur_time = microsec_clock::universal_time();
+   //Windows uses relative wait times so check for negative waits
+   //and implement as 0 wait to allow try-semantics as POSIX mandates.
+   unsigned long ret = winapi::wait_for_single_object
+      ( handle
+      , (abs_time <= cur_time) ? 0u
+                                 : (abs_time - cur_time).total_milliseconds()
+      );
+   if(ret == winapi::wait_object_0){
+      return true;
+   }
+   else if(ret == winapi::wait_timeout){
+      return false;
+   }
+   else{
+      error_info err = system_error_code();
+      throw interprocess_exception(err);
+   }
+}
+
+}  //namespace ipcdetail {
+}  //namespace interprocess {
+}  //namespace boost {
+
+#include <boost/interprocess/detail/config_end.hpp>
+
+#endif   //BOOST_INTERPROCESS_DETAIL_WINAPI_MUTEX_WRAPPER_HPP