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source: downloads/boost_1_34_1/boost/detail/interlocked.hpp @ 44

Last change on this file since 44 was 29, checked in by landauf, 17 years ago

updated boost from 1_33_1 to 1_34_1
File size: 4.9 KB
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1#ifndef BOOST_DETAIL_INTERLOCKED_HPP_INCLUDED
2#define BOOST_DETAIL_INTERLOCKED_HPP_INCLUDED
3
4// MS compatible compilers support #pragma once
5
6#if defined(_MSC_VER) && (_MSC_VER >= 1020)
7# pragma once
8#endif
9
10//
11//  boost/detail/interlocked.hpp
12//
13//  Copyright 2005 Peter Dimov
14//
15//  Distributed under the Boost Software License, Version 1.0. (See
16//  accompanying file LICENSE_1_0.txt or copy at
17//  http://www.boost.org/LICENSE_1_0.txt)
18//
19
20#include <boost/config.hpp>
21
22#if defined( BOOST_USE_WINDOWS_H )
23
24# include <windows.h>
25
26# define BOOST_INTERLOCKED_INCREMENT InterlockedIncrement
27# define BOOST_INTERLOCKED_DECREMENT InterlockedDecrement
28# define BOOST_INTERLOCKED_COMPARE_EXCHANGE InterlockedCompareExchange
29# define BOOST_INTERLOCKED_EXCHANGE InterlockedExchange
30# define BOOST_INTERLOCKED_EXCHANGE_ADD InterlockedExchangeAdd
31# define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER InterlockedCompareExchangePointer
32# define BOOST_INTERLOCKED_EXCHANGE_POINTER InterlockedExchangePointer
33
34#elif defined(_WIN32_WCE)
35
36// under Windows CE we still have old-style Interlocked* functions
37
38extern "C" long __cdecl InterlockedIncrement( long* );
39extern "C" long __cdecl InterlockedDecrement( long* );
40extern "C" long __cdecl InterlockedCompareExchange( long*, long, long );
41extern "C" long __cdecl InterlockedExchange( long*, long );
42extern "C" long __cdecl InterlockedExchangeAdd( long*, long );
43
44# define BOOST_INTERLOCKED_INCREMENT InterlockedIncrement
45# define BOOST_INTERLOCKED_DECREMENT InterlockedDecrement
46# define BOOST_INTERLOCKED_COMPARE_EXCHANGE InterlockedCompareExchange
47# define BOOST_INTERLOCKED_EXCHANGE InterlockedExchange
48# define BOOST_INTERLOCKED_EXCHANGE_ADD InterlockedExchangeAdd
49
50#elif defined( BOOST_MSVC ) || defined( BOOST_INTEL_WIN )
51
52extern "C" long __cdecl _InterlockedIncrement( long volatile * );
53extern "C" long __cdecl _InterlockedDecrement( long volatile * );
54extern "C" long __cdecl _InterlockedCompareExchange( long volatile *, long, long );
55extern "C" long __cdecl _InterlockedExchange( long volatile *, long);
56extern "C" long __cdecl _InterlockedExchangeAdd( long volatile *, long);
57
58# pragma intrinsic( _InterlockedIncrement )
59# pragma intrinsic( _InterlockedDecrement )
60# pragma intrinsic( _InterlockedCompareExchange )
61# pragma intrinsic( _InterlockedExchange )
62# pragma intrinsic( _InterlockedExchangeAdd )
63
64# if defined(_M_IA64) || defined(_M_AMD64)
65
66extern "C" void* __cdecl _InterlockedCompareExchangePointer( void* volatile *, void*, void* );
67extern "C" void* __cdecl _InterlockedExchangePointer( void* volatile *, void* );
68
69#  pragma intrinsic( _InterlockedCompareExchangePointer )
70#  pragma intrinsic( _InterlockedExchangePointer )
71
72#  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER _InterlockedCompareExchangePointer
73#  define BOOST_INTERLOCKED_EXCHANGE_POINTER _InterlockedExchangePointer
74
75# else
76
77#  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
78    ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
79#  define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
80    ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
81
82# endif
83
84# define BOOST_INTERLOCKED_INCREMENT _InterlockedIncrement
85# define BOOST_INTERLOCKED_DECREMENT _InterlockedDecrement
86# define BOOST_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
87# define BOOST_INTERLOCKED_EXCHANGE _InterlockedExchange
88# define BOOST_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
89
90#elif defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ )
91
92namespace boost
93{
94
95namespace detail
96{
97
98extern "C" __declspec(dllimport) long __stdcall InterlockedIncrement( long volatile * );
99extern "C" __declspec(dllimport) long __stdcall InterlockedDecrement( long volatile * );
100extern "C" __declspec(dllimport) long __stdcall InterlockedCompareExchange( long volatile *, long, long );
101extern "C" __declspec(dllimport) long __stdcall InterlockedExchange( long volatile *, long );
102extern "C" __declspec(dllimport) long __stdcall InterlockedExchangeAdd( long volatile *, long );
103
104} // namespace detail
105
106} // namespace boost
107
108# define BOOST_INTERLOCKED_INCREMENT ::boost::detail::InterlockedIncrement
109# define BOOST_INTERLOCKED_DECREMENT ::boost::detail::InterlockedDecrement
110# define BOOST_INTERLOCKED_COMPARE_EXCHANGE ::boost::detail::InterlockedCompareExchange
111# define BOOST_INTERLOCKED_EXCHANGE ::boost::detail::InterlockedExchange
112# define BOOST_INTERLOCKED_EXCHANGE_ADD ::boost::detail::InterlockedExchangeAdd
113
114# define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
115    ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
116# define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
117    ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
118
119#else
120
121# error "Interlocked intrinsics not available"
122
123#endif
124
125#endif // #ifndef BOOST_DETAIL_INTERLOCKED_HPP_INCLUDED
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