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