#ifndef DAHUA_DETAIL_ATOMIC_COUNT_WIN32_HPP_INCLUDED #define DAHUA_DETAIL_ATOMIC_COUNT_WIN32_HPP_INCLUDED // MS compatible compilers support #pragma once #if defined(_MSC_VER) && (_MSC_VER >= 1020) # pragma once #endif // // boost/detail/atomic_count_win32.hpp // // Copyright (c) 2001-2005 Peter Dimov // // Distributed under the Boost Software License, Version 1.0. (See // accompanying file LICENSE_1_0.txt or copy at // http://www.boost.org/LICENSE_1_0.txt) // #if defined(_MSC_VER) && (_MSC_VER >= 1300) && (_MSC_VER < 1800) extern "C" __declspec(dllimport) long __stdcall InterlockedIncrement( long volatile * ); extern "C" __declspec(dllimport) long __stdcall InterlockedDecrement( long volatile * ); #else #define WIN32_LEAN_AND_MEAN # include #endif namespace Dahua { namespace Infra { namespace Detail { class atomic_count { public: explicit atomic_count( long v ): value_( v ) { } long operator++() { return InterlockedIncrement( &value_ ); } long operator--() { return InterlockedDecrement( &value_ ); } operator long() const { return static_cast( value_ ); } long get() const { return static_cast(value_); } void set(long v) { value_ = v; return; } private: atomic_count( atomic_count const & ); atomic_count & operator=( atomic_count const & ); long value_; }; } // namespace Detail } // namespace Infra } // namespace Dahua #endif // #ifndef DAHUA_DETAIL_ATOMIC_COUNT_WIN32_HPP_INCLUDED