/usr/include/quickfix/AtomicCount.h is in libquickfix-dev 1.14.4+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 | /* -*- C++ -*- */
/****************************************************************************
** Copyright (c) 2001-2014
**
** This file is part of the QuickFIX FIX Engine
**
** This file may be distributed under the terms of the quickfixengine.org
** license as defined by quickfixengine.org and appearing in the file
** LICENSE included in the packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.quickfixengine.org/LICENSE for licensing information.
**
** Contact ask@quickfixengine.org if any conditions of this licensing are
** not clear to you.
**
****************************************************************************/
#ifndef ATOMIC_COUNT
#define ATOMIC_COUNT
#include "Mutex.h"
namespace FIX
{
/// Atomic count class - consider using interlocked functions
#ifdef ENABLE_BOOST_ATOMIC_COUNT
#include <boost/smart_ptr/detail/atomic_count.hpp>
typedef boost::detail::atomic_count atomic_count;
#elif _MSC_VER
//atomic counter based on interlocked functions for Win32
class atomic_count
{
public:
explicit atomic_count( long v ): m_counter( v )
{
}
long operator++()
{
return ::InterlockedIncrement( &m_counter );
}
long operator--()
{
return ::InterlockedDecrement( &m_counter );
}
operator long() const
{
return static_cast<long const volatile &>( m_counter );
}
private:
atomic_count( atomic_count const & );
atomic_count & operator=( atomic_count const & );
long volatile m_counter;
};
#else
// general purpose atomic counter using mutexes
class atomic_count
{
public:
explicit atomic_count( long v ): m_counter( v )
{
}
long operator++()
{
Locker _lock(m_mutex);
return ++m_counter;
}
long operator--()
{
Locker _lock(m_mutex);
return --m_counter;
}
operator long() const
{
return static_cast<long const volatile &>( m_counter );
}
private:
atomic_count( atomic_count const & );
atomic_count & operator=( atomic_count const & );
Mutex m_mutex;
long m_counter;
};
#endif
}
#endif
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