179 lines
5.0 KiB
Plaintext
179 lines
5.0 KiB
Plaintext
//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2011-2012. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/interprocess for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_INTERPROCESS_WINDOWS_NAMED_MUTEX_HPP
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#define BOOST_INTERPROCESS_WINDOWS_NAMED_MUTEX_HPP
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#ifndef BOOST_CONFIG_HPP
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# include <boost/config.hpp>
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#endif
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#
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#if defined(BOOST_HAS_PRAGMA_ONCE)
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# pragma once
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#endif
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#include <boost/interprocess/detail/config_begin.hpp>
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#include <boost/interprocess/detail/workaround.hpp>
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#include <boost/interprocess/creation_tags.hpp>
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#include <boost/interprocess/permissions.hpp>
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#include <boost/interprocess/detail/interprocess_tester.hpp>
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#include <boost/interprocess/detail/posix_time_types_wrk.hpp>
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#include <boost/interprocess/sync/windows/sync_utils.hpp>
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#include <boost/interprocess/sync/windows/named_sync.hpp>
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#include <boost/interprocess/sync/windows/winapi_mutex_wrapper.hpp>
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#include <boost/interprocess/errors.hpp>
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#include <boost/interprocess/exceptions.hpp>
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#include <limits>
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namespace boost {
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namespace interprocess {
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namespace ipcdetail {
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class windows_named_mutex
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{
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#if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
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//Non-copyable
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windows_named_mutex();
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windows_named_mutex(const windows_named_mutex &);
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windows_named_mutex &operator=(const windows_named_mutex &);
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#endif //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
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public:
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windows_named_mutex(create_only_t, const char *name, const permissions &perm = permissions());
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windows_named_mutex(open_or_create_t, const char *name, const permissions &perm = permissions());
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windows_named_mutex(open_only_t, const char *name);
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~windows_named_mutex();
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void unlock();
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void lock();
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bool try_lock();
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bool timed_lock(const boost::posix_time::ptime &abs_time);
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static bool remove(const char *name);
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#if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
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private:
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friend class interprocess_tester;
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void dont_close_on_destruction();
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winapi_mutex_wrapper m_mtx_wrapper;
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windows_named_sync m_named_sync;
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class named_mut_callbacks : public windows_named_sync_interface
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{
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public:
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named_mut_callbacks(winapi_mutex_wrapper &mtx_wrapper)
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: m_mtx_wrapper(mtx_wrapper)
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{}
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virtual std::size_t get_data_size() const
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{ return 0u; }
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virtual const void *buffer_with_init_data_to_file()
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{ return 0; }
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virtual const void *buffer_with_final_data_to_file()
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{ return 0; }
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virtual void *buffer_to_store_init_data_from_file()
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{ return 0; }
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virtual bool open(create_enum_t, const char *id_name)
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{
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std::string aux_str = "Global\\bipc.mut.";
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aux_str += id_name;
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//
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permissions mut_perm;
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mut_perm.set_unrestricted();
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return m_mtx_wrapper.open_or_create(aux_str.c_str(), mut_perm);
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}
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virtual void close()
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{
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m_mtx_wrapper.close();
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}
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virtual ~named_mut_callbacks()
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{}
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private:
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winapi_mutex_wrapper& m_mtx_wrapper;
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};
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#endif //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
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};
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inline windows_named_mutex::~windows_named_mutex()
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{
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named_mut_callbacks callbacks(m_mtx_wrapper);
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m_named_sync.close(callbacks);
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}
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inline void windows_named_mutex::dont_close_on_destruction()
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{}
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inline windows_named_mutex::windows_named_mutex
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(create_only_t, const char *name, const permissions &perm)
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: m_mtx_wrapper()
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{
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named_mut_callbacks callbacks(m_mtx_wrapper);
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m_named_sync.open_or_create(DoCreate, name, perm, callbacks);
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}
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inline windows_named_mutex::windows_named_mutex
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(open_or_create_t, const char *name, const permissions &perm)
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: m_mtx_wrapper()
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{
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named_mut_callbacks callbacks(m_mtx_wrapper);
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m_named_sync.open_or_create(DoOpenOrCreate, name, perm, callbacks);
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}
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inline windows_named_mutex::windows_named_mutex(open_only_t, const char *name)
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: m_mtx_wrapper()
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{
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named_mut_callbacks callbacks(m_mtx_wrapper);
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m_named_sync.open_or_create(DoOpen, name, permissions(), callbacks);
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}
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inline void windows_named_mutex::unlock()
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{
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m_mtx_wrapper.unlock();
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}
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inline void windows_named_mutex::lock()
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{
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m_mtx_wrapper.lock();
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}
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inline bool windows_named_mutex::try_lock()
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{
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return m_mtx_wrapper.try_lock();
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}
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inline bool windows_named_mutex::timed_lock(const boost::posix_time::ptime &abs_time)
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{
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return m_mtx_wrapper.timed_lock(abs_time);
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}
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inline bool windows_named_mutex::remove(const char *name)
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{
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return windows_named_sync::remove(name);
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}
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} //namespace ipcdetail {
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} //namespace interprocess {
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} //namespace boost {
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#include <boost/interprocess/detail/config_end.hpp>
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#endif //BOOST_INTERPROCESS_WINDOWS_NAMED_MUTEX_HPP |