91 lines
2.7 KiB
C++
91 lines
2.7 KiB
C++
// -*- C++ -*-
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// Copyright (C) 2009-2017, Vaclav Haisman. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modifica-
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// tion, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
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// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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// APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
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// DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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// OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef LOG4CPLUS_THREAD_SYNCPRIMS_IMPL_H
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#define LOG4CPLUS_THREAD_SYNCPRIMS_IMPL_H
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#include <log4cplus/config.hxx>
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#if defined (LOG4CPLUS_HAVE_PRAGMA_ONCE)
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#pragma once
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#endif
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#if ! defined (INSIDE_LOG4CPLUS)
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# error "This header must not be be used outside log4cplus' implementation files."
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#endif
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#include <stdexcept>
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#include <log4cplus/thread/syncprims.h>
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#include <mutex>
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#include <thread>
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#include <condition_variable>
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namespace log4cplus { namespace thread { namespace impl {
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LOG4CPLUS_EXPORT void LOG4CPLUS_ATTRIBUTE_NORETURN
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syncprims_throw_exception (char const * const msg,
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char const * const file, int line);
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class SharedMutex
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: public SharedMutexImplBase
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{
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public:
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SharedMutex ();
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~SharedMutex ();
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void rdlock () const;
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void wrlock () const;
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void rdunlock () const;
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void wrunlock () const;
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private:
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Mutex m1;
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Mutex m2;
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Mutex m3;
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Semaphore w;
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mutable unsigned writer_count;
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Semaphore r;
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mutable unsigned reader_count;
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SharedMutex (SharedMutex const &);
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SharedMutex & operator = (SharedMutex const &);
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};
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} } } // namespace log4cplus { namespace thread { namespace impl {
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// Include the appropriate implementations of the classes declared
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// above.
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#include <log4cplus/thread/impl/syncprims-cxx11.h>
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#undef LOG4CPLUS_THROW_RTE
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#endif // LOG4CPLUS_THREAD_SYNCPRIMS_IMPL_H
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