89 lines
2.6 KiB
Plaintext
89 lines
2.6 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_CONDITION_HPP
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#define BOOST_INTERPROCESS_POSIX_NAMED_CONDITION_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/sync/posix/semaphore_wrapper.hpp>
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namespace boost {
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namespace interprocess {
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#if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
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namespace ipcdetail{ class interprocess_tester; }
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#endif //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
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namespace ipcdetail {
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class posix_named_semaphore
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{
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posix_named_semaphore();
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posix_named_semaphore(const posix_named_semaphore&);
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posix_named_semaphore &operator= (const posix_named_semaphore &);
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public:
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posix_named_semaphore
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(create_only_t, const char *name, unsigned int initialCount, const permissions &perm = permissions())
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{ semaphore_open(mp_sem, DoCreate, name, initialCount, perm); }
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posix_named_semaphore(open_or_create_t, const char *name, unsigned int initialCount, const permissions &perm = permissions())
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{ semaphore_open(mp_sem, DoOpenOrCreate, name, initialCount, perm); }
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posix_named_semaphore(open_only_t, const char *name)
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{ semaphore_open(mp_sem, DoOpen, name); }
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~posix_named_semaphore()
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{
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if(mp_sem != BOOST_INTERPROCESS_POSIX_SEM_FAILED)
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semaphore_close(mp_sem);
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}
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void post()
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{ semaphore_post(mp_sem); }
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void wait()
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{ semaphore_wait(mp_sem); }
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bool try_wait()
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{ return semaphore_try_wait(mp_sem); }
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bool timed_wait(const boost::posix_time::ptime &abs_time)
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{ return semaphore_timed_wait(mp_sem, abs_time); }
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static bool remove(const char *name)
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{ return semaphore_unlink(name); }
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private:
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friend class ipcdetail::interprocess_tester;
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void dont_close_on_destruction()
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{ mp_sem = BOOST_INTERPROCESS_POSIX_SEM_FAILED; }
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sem_t *mp_sem;
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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 //#ifndef BOOST_INTERPROCESS_POSIX_NAMED_CONDITION_HPP
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