Chris@16:  //////////////////////////////////////////////////////////////////////////////
Chris@16: //
Chris@16: // (C) Copyright Ion Gaztanaga 2011-2012. Distributed under the Boost
Chris@16: // Software License, Version 1.0. (See accompanying file
Chris@16: // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: // See http://www.boost.org/libs/interprocess for documentation.
Chris@16: //
Chris@16: //////////////////////////////////////////////////////////////////////////////
Chris@16: 
Chris@16: #ifndef BOOST_INTERPROCESS_WINDOWS_NAMED_SEMAPHORE_HPP
Chris@16: #define BOOST_INTERPROCESS_WINDOWS_NAMED_SEMAPHORE_HPP
Chris@16: 
Chris@101: #ifndef BOOST_CONFIG_HPP
Chris@101: #  include <boost/config.hpp>
Chris@101: #endif
Chris@101: #
Chris@101: #if defined(BOOST_HAS_PRAGMA_ONCE)
Chris@16: #  pragma once
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/interprocess/detail/config_begin.hpp>
Chris@16: #include <boost/interprocess/detail/workaround.hpp>
Chris@16: #include <boost/interprocess/creation_tags.hpp>
Chris@16: #include <boost/interprocess/permissions.hpp>
Chris@16: #include <boost/interprocess/detail/interprocess_tester.hpp>
Chris@16: #include <boost/interprocess/detail/posix_time_types_wrk.hpp>
Chris@16: #include <boost/interprocess/sync/windows/named_sync.hpp>
Chris@16: #include <boost/interprocess/sync/windows/winapi_semaphore_wrapper.hpp>
Chris@16: 
Chris@16: namespace boost {
Chris@16: namespace interprocess {
Chris@16: namespace ipcdetail {
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: class windows_named_semaphore
Chris@16: {
Chris@101:    #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
Chris@16: 
Chris@16:    //Non-copyable
Chris@16:    windows_named_semaphore();
Chris@16:    windows_named_semaphore(const windows_named_semaphore &);
Chris@16:    windows_named_semaphore &operator=(const windows_named_semaphore &);
Chris@101:    #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
Chris@16: 
Chris@16:    public:
Chris@16:    windows_named_semaphore(create_only_t, const char *name, unsigned int initialCount, const permissions &perm = permissions());
Chris@16: 
Chris@16:    windows_named_semaphore(open_or_create_t, const char *name, unsigned int initialCount, const permissions &perm = permissions());
Chris@16: 
Chris@16:    windows_named_semaphore(open_only_t, const char *name);
Chris@16: 
Chris@16:    ~windows_named_semaphore();
Chris@16: 
Chris@16:    void post();
Chris@16:    void wait();
Chris@16:    bool try_wait();
Chris@16:    bool timed_wait(const boost::posix_time::ptime &abs_time);
Chris@16: 
Chris@16:    static bool remove(const char *name);
Chris@16: 
Chris@101:    #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
Chris@16:    private:
Chris@16:    friend class interprocess_tester;
Chris@16:    void dont_close_on_destruction();
Chris@16:    winapi_semaphore_wrapper m_sem_wrapper;
Chris@16:    windows_named_sync m_named_sync;
Chris@16: 
Chris@16:    class named_sem_callbacks : public windows_named_sync_interface
Chris@16:    {
Chris@16:       public:
Chris@16:       typedef __int64 sem_count_t;
Chris@16:       named_sem_callbacks(winapi_semaphore_wrapper &sem_wrapper, sem_count_t sem_cnt)
Chris@16:          : m_sem_wrapper(sem_wrapper), m_sem_count(sem_cnt)
Chris@16:       {}
Chris@16: 
Chris@16:       virtual std::size_t get_data_size() const
Chris@16:       {  return sizeof(sem_count_t);   }
Chris@16: 
Chris@16:       virtual const void *buffer_with_final_data_to_file()
Chris@16:       {  return &m_sem_count; }
Chris@16: 
Chris@16:       virtual const void *buffer_with_init_data_to_file()
Chris@16:       {  return &m_sem_count; }
Chris@16: 
Chris@16:       virtual void *buffer_to_store_init_data_from_file()
Chris@16:       {  return &m_sem_count; }
Chris@16: 
Chris@16:       virtual bool open(create_enum_t, const char *id_name)
Chris@16:       {
Chris@16:          std::string aux_str  = "Global\\bipc.sem.";
Chris@16:          aux_str += id_name;
Chris@16:          //
Chris@16:          permissions sem_perm;
Chris@16:          sem_perm.set_unrestricted();
Chris@16:          bool created;
Chris@16:          return m_sem_wrapper.open_or_create
Chris@16:             ( aux_str.c_str(), static_cast<long>(m_sem_count)
Chris@16:             , winapi_semaphore_wrapper::MaxCount, sem_perm, created);
Chris@16:       }
Chris@16: 
Chris@16:       virtual void close()
Chris@16:       {
Chris@16:          m_sem_wrapper.close();
Chris@16:       }
Chris@16: 
Chris@16:       virtual ~named_sem_callbacks()
Chris@16:       {}
Chris@16: 
Chris@16:       private:
Chris@16:       sem_count_t m_sem_count;
Chris@16:       winapi_semaphore_wrapper&     m_sem_wrapper;
Chris@16:    };
Chris@16: 
Chris@101:    #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
Chris@16: };
Chris@16: 
Chris@16: inline windows_named_semaphore::~windows_named_semaphore()
Chris@16: {
Chris@16:    named_sem_callbacks callbacks(m_sem_wrapper, m_sem_wrapper.value());
Chris@16:    m_named_sync.close(callbacks);
Chris@16: }
Chris@16: 
Chris@16: inline void windows_named_semaphore::dont_close_on_destruction()
Chris@16: {}
Chris@16: 
Chris@16: inline windows_named_semaphore::windows_named_semaphore
Chris@16:    (create_only_t, const char *name, unsigned int initial_count, const permissions &perm)
Chris@16:    : m_sem_wrapper()
Chris@16: {
Chris@16:    named_sem_callbacks callbacks(m_sem_wrapper, initial_count);
Chris@16:    m_named_sync.open_or_create(DoCreate, name, perm, callbacks);
Chris@16: }
Chris@16: 
Chris@16: inline windows_named_semaphore::windows_named_semaphore
Chris@16:    (open_or_create_t, const char *name, unsigned int initial_count, const permissions &perm)
Chris@16:    : m_sem_wrapper()
Chris@16: {
Chris@16:    named_sem_callbacks callbacks(m_sem_wrapper, initial_count);
Chris@16:    m_named_sync.open_or_create(DoOpenOrCreate, name, perm, callbacks);
Chris@16: }
Chris@16: 
Chris@16: inline windows_named_semaphore::windows_named_semaphore(open_only_t, const char *name)
Chris@16:    : m_sem_wrapper()
Chris@16: {
Chris@16:    named_sem_callbacks callbacks(m_sem_wrapper, 0);
Chris@16:    m_named_sync.open_or_create(DoOpen, name, permissions(), callbacks);
Chris@16: }
Chris@16: 
Chris@16: inline void windows_named_semaphore::post()
Chris@16: {
Chris@16:    m_sem_wrapper.post();
Chris@16: }
Chris@16: 
Chris@16: inline void windows_named_semaphore::wait()
Chris@16: {
Chris@16:    m_sem_wrapper.wait();
Chris@16: }
Chris@16: 
Chris@16: inline bool windows_named_semaphore::try_wait()
Chris@16: {
Chris@16:    return m_sem_wrapper.try_wait();
Chris@16: }
Chris@16: 
Chris@16: inline bool windows_named_semaphore::timed_wait(const boost::posix_time::ptime &abs_time)
Chris@16: {
Chris@16:    return m_sem_wrapper.timed_wait(abs_time);
Chris@16: }
Chris@16: 
Chris@16: inline bool windows_named_semaphore::remove(const char *name)
Chris@16: {
Chris@16:    return windows_named_sync::remove(name);
Chris@16: }
Chris@16: 
Chris@16: }  //namespace ipcdetail {
Chris@16: }  //namespace interprocess {
Chris@16: }  //namespace boost {
Chris@16: 
Chris@16: #include <boost/interprocess/detail/config_end.hpp>
Chris@16: 
Chris@16: #endif   //BOOST_INTERPROCESS_WINDOWS_NAMED_SEMAPHORE_HPP