115 lines
3.5 KiB
Plaintext
115 lines
3.5 KiB
Plaintext
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//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2005-2012. 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_POSIX_NAMED_MUTEX_HPP
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#define BOOST_INTERPROCESS_POSIX_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/exceptions.hpp>
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#include <boost/interprocess/detail/interprocess_tester.hpp>
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#include <boost/interprocess/permissions.hpp>
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#include <boost/interprocess/sync/posix/named_semaphore.hpp>
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namespace boost {
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namespace interprocess {
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namespace ipcdetail {
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class named_condition;
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class posix_named_mutex
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{
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#if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
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posix_named_mutex();
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posix_named_mutex(const posix_named_mutex &);
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posix_named_mutex &operator=(const posix_named_mutex &);
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friend class named_condition;
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#endif //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
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public:
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posix_named_mutex(create_only_t create_only, const char *name, const permissions &perm = permissions());
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posix_named_mutex(open_or_create_t open_or_create, const char *name, const permissions &perm = permissions());
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posix_named_mutex(open_only_t open_only, const char *name);
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~posix_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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posix_named_semaphore m_sem;
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#endif //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
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};
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#if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
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inline posix_named_mutex::posix_named_mutex(create_only_t, const char *name, const permissions &perm)
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: m_sem(create_only, name, 1, perm)
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{}
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inline posix_named_mutex::posix_named_mutex(open_or_create_t, const char *name, const permissions &perm)
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: m_sem(open_or_create, name, 1, perm)
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{}
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inline posix_named_mutex::posix_named_mutex(open_only_t, const char *name)
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: m_sem(open_only, name)
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{}
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inline void posix_named_mutex::dont_close_on_destruction()
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{ interprocess_tester::dont_close_on_destruction(m_sem); }
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inline posix_named_mutex::~posix_named_mutex()
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{}
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inline void posix_named_mutex::lock()
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{ m_sem.wait(); }
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inline void posix_named_mutex::unlock()
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{ m_sem.post(); }
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inline bool posix_named_mutex::try_lock()
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{ return m_sem.try_wait(); }
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inline bool posix_named_mutex::timed_lock(const boost::posix_time::ptime &abs_time)
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{ return m_sem.timed_wait(abs_time); }
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inline bool posix_named_mutex::remove(const char *name)
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{ return posix_named_semaphore::remove(name); }
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#endif //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
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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_POSIX_NAMED_MUTEX_HPP
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