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Diffstat (limited to '3rdParty/Boost/src/boost/signals2/detail/lwm_win32_cs.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/signals2/detail/lwm_win32_cs.hpp | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/signals2/detail/lwm_win32_cs.hpp b/3rdParty/Boost/src/boost/signals2/detail/lwm_win32_cs.hpp new file mode 100644 index 0000000..d1c1965 --- /dev/null +++ b/3rdParty/Boost/src/boost/signals2/detail/lwm_win32_cs.hpp @@ -0,0 +1,120 @@ +// +// boost/signals2/detail/lwm_win32_cs.hpp +// +// Copyright (c) 2002, 2003 Peter Dimov +// Copyright (c) 2008 Frank Mori Hess +// Copyright (c) Microsoft Corporation 2014 +// +// 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) +// + +#ifndef BOOST_SIGNALS2_LWM_WIN32_CS_HPP +#define BOOST_SIGNALS2_LWM_WIN32_CS_HPP + +// MS compatible compilers support #pragma once + +#if defined(_MSC_VER) +# pragma once +#endif + +#include <boost/assert.hpp> + +#ifdef BOOST_USE_WINDOWS_H +# include <windows.h> +#endif + +#include <boost/predef/platform.h> + +namespace boost +{ + +namespace signals2 +{ + +#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 +}; + +#if BOOST_PLAT_WINDOWS_RUNTIME +extern "C" __declspec(dllimport) void __stdcall InitializeCriticalSectionEx(critical_section *, unsigned long, unsigned long); +#else +extern "C" __declspec(dllimport) void __stdcall InitializeCriticalSection(critical_section *); +#endif +extern "C" __declspec(dllimport) void __stdcall EnterCriticalSection(critical_section *); +extern "C" __declspec(dllimport) bool __stdcall TryEnterCriticalSection(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 mutex +{ +private: + + critical_section cs_; + + mutex(mutex const &); + mutex & operator=(mutex const &); + +public: + + mutex() + { +#if BOOST_PLAT_WINDOWS_RUNTIME + InitializeCriticalSectionEx(&cs_, 4000, 0); +#else + InitializeCriticalSection(&cs_); +#endif + } + + ~mutex() + { + DeleteCriticalSection(&cs_); + } + + void lock() + { + EnterCriticalSection(&cs_); + } +// TryEnterCriticalSection only exists on Windows NT 4.0 and later +#if (defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0400)) + bool try_lock() + { + return TryEnterCriticalSection(&cs_) != 0; + } +#else + bool try_lock() + { + BOOST_ASSERT(false); + return false; + } +#endif + void unlock() + { + LeaveCriticalSection(&cs_); + } +}; + +} // namespace signals2 + +} // namespace boost + +#endif // #ifndef BOOST_SIGNALS2_LWM_WIN32_CS_HPP |