hkThreadLocalData.h
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上传日期:2020-08-09
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- /*
- *
- * Confidential Information of Telekinesys Research Limited (t/a Havok). Not for disclosure or distribution without Havok's
- * prior written consent. This software contains code, techniques and know-how which is confidential and proprietary to Havok.
- * Level 2 and Level 3 source code contains trade secrets of Havok. Havok Software (C) Copyright 1999-2009 Telekinesys Research Limited t/a Havok. All Rights Reserved. Use of this software is subject to the terms of an end user license agreement.
- *
- */
- #ifndef HKBASE_HK_THREAD_LOCAL_POINTER_H
- #define HKBASE_HK_THREAD_LOCAL_POINTER_H
- #include <Common/Base/Config/hkConfigThread.h>
- //HK_THREAD_LOCAL - declare a thread local variable
- //HK_THREAD_LOCAL_SET(var,value) - assign to tls var
- //HK_THREAD_LOCAL_GET(var) - get from tls var
- #if (HK_CONFIG_THREAD == HK_CONFIG_MULTI_THREADED) && !defined(HK_PLATFORM_SPU)
- #if defined(HK_PLATFORM_PS3_PPU) || defined(HK_PLATFORM_UNIX)
- # define HK_THREAD_LOCAL(TYPE) __thread TYPE
- # elif defined(HK_PLATFORM_WIN32)
- extern "C" {
- __declspec(dllimport) unsigned long _stdcall TlsAlloc(void);
- __declspec(dllimport) void* _stdcall TlsGetValue( unsigned long dwTlsIndex );
- __declspec(dllimport) int _stdcall TlsSetValue( unsigned long dwTlsIndex, void* lpTlsValue);
- __declspec(dllimport) int _stdcall TlsFree( unsigned long dwTlsIndex );
- }
- /// A platform independent wrapper for thread local storage
- /// We assume we always just store a pointer (or data the same size or smaller than a pointer)
- /// ie, sizeof(T) <= sizeof(char*)
- template<typename T>
- class hkThreadLocalData
- {
- public:
- hkThreadLocalData() { m_slotID = TlsAlloc(); }
- ~hkThreadLocalData() { TlsFree(m_slotID); }
- HK_FORCE_INLINE T getData() const
- {
- return (T)(hkUlong)TlsGetValue(m_slotID) ;
- }
- HK_FORCE_INLINE void setData(T p)
- {
- hkUlong v = hkUlong(p);
- TlsSetValue( m_slotID, (void*)v );
- }
- unsigned long m_slotID;
- };
-
- # define HK_THREAD_LOCAL(TYPE) hkThreadLocalData<TYPE>
- # define HK_THREAD_LOCAL_SET(var,value) var.setData(value)
- # define HK_THREAD_LOCAL_GET(var) var.getData()
- # elif defined(HK_PLATFORM_MACPPC) || defined(HK_PLATFORM_MAC386)
- # include <pthread.h>
- template < typename T >
- class hkThreadLocalData
- {
- public:
- hkThreadLocalData() { pthread_key_create(&m_key, HK_NULL); }
- ~hkThreadLocalData() { pthread_key_delete(m_key); }
- HK_FORCE_INLINE T getData()
- {
- return (T) pthread_getspecific(m_key);
- }
- HK_FORCE_INLINE void setData(T p)
- {
- pthread_setspecific(m_key, (void*)p );
- }
- protected:
- pthread_key_t m_key;
- };
- # define HK_THREAD_LOCAL(TYPE) hkThreadLocalData<TYPE>
- # define HK_THREAD_LOCAL_SET(var,value) var.setData(value)
- # define HK_THREAD_LOCAL_GET(var) var.getData()
- # else
- # error fixme
- # endif
- #else
- # define HK_THREAD_LOCAL(TYPE) TYPE
- #endif
- #ifndef HK_THREAD_LOCAL_SET
- # define HK_THREAD_LOCAL_SET(var,value) var = value
- #endif
- #ifndef HK_THREAD_LOCAL_GET
- # define HK_THREAD_LOCAL_GET(var) var
- #endif
- #endif // HKBASE_HK_THREAD_LOCAL_POINTER_H
- /*
- * Havok SDK - NO SOURCE PC DOWNLOAD, BUILD(#20090216)
- *
- * Confidential Information of Havok. (C) Copyright 1999-2009
- * Telekinesys Research Limited t/a Havok. All Rights Reserved. The Havok
- * Logo, and the Havok buzzsaw logo are trademarks of Havok. Title, ownership
- * rights, and intellectual property rights in the Havok software remain in
- * Havok and/or its suppliers.
- *
- * Use of this software for evaluation purposes is subject to and indicates
- * acceptance of the End User licence Agreement for this product. A copy of
- * the license is included with this software and is also available at www.havok.com/tryhavok.
- *
- */