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| author | Remko Tronçon <git@el-tramo.be> | 2009-06-01 08:48:42 (GMT) |
|---|---|---|
| committer | Remko Tronçon <git@el-tramo.be> | 2009-06-01 09:24:28 (GMT) |
| commit | 2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch) | |
| tree | d46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/Boost/boost/smart_ptr/detail/lwm_win32_cs.hpp | |
| download | swift-2812bddd81f8a1b804c7460f4e14cd0aa393d129.zip swift-2812bddd81f8a1b804c7460f4e14cd0aa393d129.tar.bz2 | |
Import.
Diffstat (limited to '3rdParty/Boost/boost/smart_ptr/detail/lwm_win32_cs.hpp')
| -rw-r--r-- | 3rdParty/Boost/boost/smart_ptr/detail/lwm_win32_cs.hpp | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/3rdParty/Boost/boost/smart_ptr/detail/lwm_win32_cs.hpp b/3rdParty/Boost/boost/smart_ptr/detail/lwm_win32_cs.hpp new file mode 100644 index 0000000..00477e4 --- /dev/null +++ b/3rdParty/Boost/boost/smart_ptr/detail/lwm_win32_cs.hpp @@ -0,0 +1,108 @@ +#ifndef BOOST_SMART_PTR_DETAIL_LWM_WIN32_CS_HPP_INCLUDED +#define BOOST_SMART_PTR_DETAIL_LWM_WIN32_CS_HPP_INCLUDED + +// MS compatible compilers support #pragma once + +#if defined(_MSC_VER) && (_MSC_VER >= 1020) +# pragma once +#endif + +// +// boost/detail/lwm_win32_cs.hpp +// +// Copyright (c) 2002, 2003 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) +// + +#ifdef BOOST_USE_WINDOWS_H +# include <windows.h> +#endif + +namespace boost +{ + +namespace detail +{ + +#ifndef BOOST_USE_WINDOWS_H + +struct critical_section +{ + struct critical_section_debug * DebugInfo; + long LockCount; + long RecursionCount; + void * OwningThread; + void * LockSemaphore; +#if defined(_WIN64) + unsigned __int64 SpinCount; +#else + unsigned long SpinCount; +#endif +}; + +extern "C" __declspec(dllimport) void __stdcall InitializeCriticalSection(critical_section *); +extern "C" __declspec(dllimport) void __stdcall EnterCriticalSection(critical_section *); +extern "C" __declspec(dllimport) void __stdcall LeaveCriticalSection(critical_section *); +extern "C" __declspec(dllimport) void __stdcall DeleteCriticalSection(critical_section *); + +#else + +typedef ::CRITICAL_SECTION critical_section; + +#endif // #ifndef BOOST_USE_WINDOWS_H + +class lightweight_mutex +{ +private: + + critical_section cs_; + + lightweight_mutex(lightweight_mutex const &); + lightweight_mutex & operator=(lightweight_mutex const &); + +public: + + lightweight_mutex() + { + InitializeCriticalSection(&cs_); + } + + ~lightweight_mutex() + { + DeleteCriticalSection(&cs_); + } + + class scoped_lock; + friend class scoped_lock; + + class scoped_lock + { + private: + + lightweight_mutex & m_; + + scoped_lock(scoped_lock const &); + scoped_lock & operator=(scoped_lock const &); + + public: + + explicit scoped_lock(lightweight_mutex & m): m_(m) + { + EnterCriticalSection(&m_.cs_); + } + + ~scoped_lock() + { + LeaveCriticalSection(&m_.cs_); + } + }; +}; + +} // namespace detail + +} // namespace boost + +#endif // #ifndef BOOST_SMART_PTR_DETAIL_LWM_WIN32_CS_HPP_INCLUDED |