Chris@16:  //////////////////////////////////////////////////////////////////////////////
Chris@16: //
Chris@16: // (C) Copyright Ion Gaztanaga 2005-2012. 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_SHM_NAMED_SEMAPHORE_HPP
Chris@16: #define BOOST_INTERPROCESS_SHM_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/exceptions.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/shared_memory_object.hpp>
Chris@16: #include <boost/interprocess/detail/managed_open_or_create_impl.hpp>
Chris@16: #include <boost/interprocess/sync/interprocess_semaphore.hpp>
Chris@16: #include <boost/interprocess/sync/shm/named_creation_functor.hpp>
Chris@16: 
Chris@16: namespace boost {
Chris@16: namespace interprocess {
Chris@16: namespace ipcdetail {
Chris@16: 
Chris@16: class shm_named_semaphore
Chris@16: {
Chris@101:    #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
Chris@16: 
Chris@16:    //Non-copyable
Chris@16:    shm_named_semaphore();
Chris@16:    shm_named_semaphore(const shm_named_semaphore &);
Chris@16:    shm_named_semaphore &operator=(const shm_named_semaphore &);
Chris@101:    #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
Chris@16: 
Chris@16:    public:
Chris@16:    shm_named_semaphore(create_only_t, const char *name, unsigned int initialCount, const permissions &perm = permissions());
Chris@16: 
Chris@16:    shm_named_semaphore(open_or_create_t, const char *name, unsigned int initialCount, const permissions &perm = permissions());
Chris@16: 
Chris@16:    shm_named_semaphore(open_only_t, const char *name);
Chris@16: 
Chris@16:    ~shm_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: 
Chris@16:    interprocess_semaphore *semaphore() const
Chris@16:    {  return static_cast<interprocess_semaphore*>(m_shmem.get_user_address()); }
Chris@16: 
Chris@16:    typedef ipcdetail::managed_open_or_create_impl<shared_memory_object, 0, true, false> open_create_impl_t;
Chris@16:    open_create_impl_t m_shmem;
Chris@16:    typedef named_creation_functor<interprocess_semaphore, int> construct_func_t;
Chris@101:    #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
Chris@16: };
Chris@16: 
Chris@16: inline shm_named_semaphore::~shm_named_semaphore()
Chris@16: {}
Chris@16: 
Chris@16: inline void shm_named_semaphore::dont_close_on_destruction()
Chris@16: {  interprocess_tester::dont_close_on_destruction(m_shmem);  }
Chris@16: 
Chris@16: inline shm_named_semaphore::shm_named_semaphore
Chris@16:    (create_only_t, const char *name, unsigned int initialCount, const permissions &perm)
Chris@16:    :  m_shmem  (create_only
Chris@16:                ,name
Chris@16:                ,sizeof(interprocess_semaphore) +
Chris@16:                   open_create_impl_t::ManagedOpenOrCreateUserOffset
Chris@16:                ,read_write
Chris@16:                ,0
Chris@16:                ,construct_func_t(DoCreate, initialCount)
Chris@16:                ,perm)
Chris@16: {}
Chris@16: 
Chris@16: inline shm_named_semaphore::shm_named_semaphore
Chris@16:    (open_or_create_t, const char *name, unsigned int initialCount, const permissions &perm)
Chris@16:    :  m_shmem  (open_or_create
Chris@16:                ,name
Chris@16:                ,sizeof(interprocess_semaphore) +
Chris@16:                   open_create_impl_t::ManagedOpenOrCreateUserOffset
Chris@16:                ,read_write
Chris@16:                ,0
Chris@16:                ,construct_func_t(DoOpenOrCreate, initialCount)
Chris@16:                ,perm)
Chris@16: {}
Chris@16: 
Chris@16: inline shm_named_semaphore::shm_named_semaphore
Chris@16:    (open_only_t, const char *name)
Chris@16:    :  m_shmem  (open_only
Chris@16:                ,name
Chris@16:                ,read_write
Chris@16:                ,0
Chris@16:                ,construct_func_t(DoOpen, 0))
Chris@16: {}
Chris@16: 
Chris@16: inline void shm_named_semaphore::post()
Chris@16: {  semaphore()->post();   }
Chris@16: 
Chris@16: inline void shm_named_semaphore::wait()
Chris@16: {  semaphore()->wait();   }
Chris@16: 
Chris@16: inline bool shm_named_semaphore::try_wait()
Chris@16: {  return semaphore()->try_wait();   }
Chris@16: 
Chris@16: inline bool shm_named_semaphore::timed_wait(const boost::posix_time::ptime &abs_time)
Chris@101: {  return semaphore()->timed_wait(abs_time); }
Chris@16: 
Chris@16: inline bool shm_named_semaphore::remove(const char *name)
Chris@16: {  return shared_memory_object::remove(name); }
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_SHM_NAMED_SEMAPHORE_HPP