//////////////////////////////////////////////////////////////////////////////
 //
 // (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_SEMAPHORE_HPP
 #define BOOST_INTERPROCESS_WINDOWS_NAMED_SEMAPHORE_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/named_sync.hpp>
 #include <boost/interprocess/sync/windows/winapi_semaphore_wrapper.hpp>
 
 namespace boost {
 namespace interprocess {
 namespace ipcdetail {
 
 
 
 class winapi_named_semaphore
 {
    #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
 
    //Non-copyable
    winapi_named_semaphore();
    winapi_named_semaphore(const winapi_named_semaphore &);
    winapi_named_semaphore &operator=(const winapi_named_semaphore &);
    #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
 
    public:
    winapi_named_semaphore(create_only_t, const char *name, unsigned int initialCount, const permissions &perm = permissions());
 
    winapi_named_semaphore(open_or_create_t, const char *name, unsigned int initialCount, const permissions &perm = permissions());
 
    winapi_named_semaphore(open_only_t, const char *name);
 
    winapi_named_semaphore(create_only_t, const wchar_t *name, unsigned int initialCount, const permissions &perm = permissions());
 
    winapi_named_semaphore(open_or_create_t, const wchar_t *name, unsigned int initialCount, const permissions &perm = permissions());
 
    winapi_named_semaphore(open_only_t, const wchar_t *name);
 
    ~winapi_named_semaphore();
 
    void post();
    void wait();
    bool try_wait();
    bool timed_wait(const boost::posix_time::ptime &abs_time);
 
    static bool remove(const char *name);
    static bool remove(const wchar_t *name);
 
    #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
    private:
    friend class interprocess_tester;
    void dont_close_on_destruction();
    winapi_semaphore_wrapper m_sem_wrapper;
    windows_named_sync m_named_sync;
 
    class named_sem_callbacks : public windows_named_sync_interface
    {
       public:
       typedef __int64 sem_count_t;
       named_sem_callbacks(winapi_semaphore_wrapper &sem_wrapper, sem_count_t sem_cnt)
          : m_sem_wrapper(sem_wrapper), m_sem_count(sem_cnt)
       {}
 
       virtual std::size_t get_data_size() const
       {  return sizeof(sem_count_t);   }
 
       virtual const void *buffer_with_final_data_to_file()
       {  return &m_sem_count; }
 
       virtual const void *buffer_with_init_data_to_file()
       {  return &m_sem_count; }
 
       virtual void *buffer_to_store_init_data_from_file()
       {  return &m_sem_count; }
 
       virtual bool open(create_enum_t, const char *id_name)
       {
          std::string aux_str  = "Global\\bipc.sem.";
          aux_str += id_name;
          //
          permissions sem_perm;
          sem_perm.set_unrestricted();
          bool created;
          return m_sem_wrapper.open_or_create
             ( aux_str.c_str(), static_cast<long>(m_sem_count)
             , winapi_semaphore_wrapper::MaxCount, sem_perm, created);
       }
 
       virtual bool open(create_enum_t, const wchar_t *id_name)
       {
          std::wstring aux_str  = L"Global\\bipc.sem.";
          aux_str += id_name;
          //
          permissions sem_perm;
          sem_perm.set_unrestricted();
          bool created;
          return m_sem_wrapper.open_or_create
             ( aux_str.c_str(), static_cast<long>(m_sem_count)
             , winapi_semaphore_wrapper::MaxCount, sem_perm, created);
       }
 
       virtual void close()
       {
          m_sem_wrapper.close();
       }
 
       virtual ~named_sem_callbacks()
       {}
 
       private:
       winapi_semaphore_wrapper&     m_sem_wrapper;
       sem_count_t m_sem_count;
    };
 
    #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
 };
 
 inline winapi_named_semaphore::~winapi_named_semaphore()
 {
    named_sem_callbacks callbacks(m_sem_wrapper, m_sem_wrapper.value());
    m_named_sync.close(callbacks);
 }
 
 inline void winapi_named_semaphore::dont_close_on_destruction()
 {}
 
 inline winapi_named_semaphore::winapi_named_semaphore
    (create_only_t, const char *name, unsigned int initial_count, const permissions &perm)
    : m_sem_wrapper()
 {
    named_sem_callbacks callbacks(m_sem_wrapper, initial_count);
    m_named_sync.open_or_create(DoCreate, name, perm, callbacks);
 }
 
 inline winapi_named_semaphore::winapi_named_semaphore
    (open_or_create_t, const char *name, unsigned int initial_count, const permissions &perm)
    : m_sem_wrapper()
 {
    named_sem_callbacks callbacks(m_sem_wrapper, initial_count);
    m_named_sync.open_or_create(DoOpenOrCreate, name, perm, callbacks);
 }
 
 inline winapi_named_semaphore::winapi_named_semaphore(open_only_t, const char *name)
    : m_sem_wrapper()
 {
    named_sem_callbacks callbacks(m_sem_wrapper, 0);
    m_named_sync.open_or_create(DoOpen, name, permissions(), callbacks);
 }
 
 inline winapi_named_semaphore::winapi_named_semaphore
    (create_only_t, const wchar_t *name, unsigned int initial_count, const permissions &perm)
    : m_sem_wrapper()
 {
    named_sem_callbacks callbacks(m_sem_wrapper, initial_count);
    m_named_sync.open_or_create(DoCreate, name, perm, callbacks);
 }
 
 inline winapi_named_semaphore::winapi_named_semaphore
    (open_or_create_t, const wchar_t *name, unsigned int initial_count, const permissions &perm)
    : m_sem_wrapper()
 {
    named_sem_callbacks callbacks(m_sem_wrapper, initial_count);
    m_named_sync.open_or_create(DoOpenOrCreate, name, perm, callbacks);
 }
 
 inline winapi_named_semaphore::winapi_named_semaphore(open_only_t, const wchar_t *name)
    : m_sem_wrapper()
 {
    named_sem_callbacks callbacks(m_sem_wrapper, 0);
    m_named_sync.open_or_create(DoOpen, name, permissions(), callbacks);
 }
 
 inline void winapi_named_semaphore::post()
 {
    m_sem_wrapper.post();
 }
 
 inline void winapi_named_semaphore::wait()
 {
    m_sem_wrapper.wait();
 }
 
 inline bool winapi_named_semaphore::try_wait()
 {
    return m_sem_wrapper.try_wait();
 }
 
 inline bool winapi_named_semaphore::timed_wait(const boost::posix_time::ptime &abs_time)
 {
    return m_sem_wrapper.timed_wait(abs_time);
 }
 
 inline bool winapi_named_semaphore::remove(const char *name)
 {
    return windows_named_sync::remove(name);
 }
 
 inline bool winapi_named_semaphore::remove(const wchar_t *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_SEMAPHORE_HPP