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/*************************************************************************
* *
* Thread local storage access stub for Open Dynamics Engine, *
* Copyright (C) 2008-2019 Oleh Derevenko. All rights reserved. *
* Email: odar@eleks.com (change all "a" to "e") *
* *
* Open Dynamics Engine, Copyright (C) 2001,2002 Russell L. Smith. *
* All rights reserved. Email: russ@q12.org Web: www.q12.org *
* *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of EITHER: *
* (1) The GNU Lesser General Public License as published by the Free *
* Software Foundation; either version 2.1 of the License, or (at *
* your option) any later version. The text of the GNU Lesser *
* General Public License is included with this library in the *
* file LICENSE.TXT. *
* (2) The BSD-style license that is included with this library in *
* the file LICENSE-BSD.TXT. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the files *
* LICENSE.TXT and LICENSE-BSD.TXT for more details. *
* *
*************************************************************************/
/*
ODE Thread Local Storage access stub interface.
*/
#ifndef _ODE_ODETLS_H_
#define _ODE_ODETLS_H_
#include "odeou.h"
#if dTLS_ENABLED
using _OU_NAMESPACE::tlsvaluetype;
using _OU_NAMESPACE::HTLSKEY;
using _OU_NAMESPACE::CThreadLocalStorage;
struct TrimeshCollidersCache;
enum EODETLSKIND
{
OTK__MIN,
OTK_AUTOCLEANUP = OTK__MIN,
OTK_MANUALCLEANUP,
OTK__MAX,
OTK__DEFAULT = OTK_AUTOCLEANUP,
};
enum EODETLSITEM
{
OTI_DATA_ALLOCATION_FLAGS,
OTI_TRIMESH_TRIMESH_COLLIDER_CACHE,
OTI__MAX,
};
class COdeTls
{
public:
static bool Initialize(EODETLSKIND tkTLSKind);
static void Finalize(EODETLSKIND tkTLSKind);
static void CleanupForThread();
public:
static unsigned GetDataAllocationFlags(EODETLSKIND tkTLSKind)
{
// Must be a safe call as it is used to test if TLS slot is allocated at all
return (unsigned)(sizeint)CThreadLocalStorage::GetStorageValue(m_ahtkStorageKeys[tkTLSKind], OTI_DATA_ALLOCATION_FLAGS);
}
static void SignalDataAllocationFlags(EODETLSKIND tkTLSKind, unsigned uFlagsMask)
{
unsigned uCurrentFlags = (unsigned)(sizeint)CThreadLocalStorage::UnsafeGetStorageValue(m_ahtkStorageKeys[tkTLSKind], OTI_DATA_ALLOCATION_FLAGS);
CThreadLocalStorage::UnsafeSetStorageValue(m_ahtkStorageKeys[tkTLSKind], OTI_DATA_ALLOCATION_FLAGS, (tlsvaluetype)(sizeint)(uCurrentFlags | uFlagsMask));
}
static void DropDataAllocationFlags(EODETLSKIND tkTLSKind, unsigned uFlagsMask)
{
unsigned uCurrentFlags = (unsigned)(sizeint)CThreadLocalStorage::UnsafeGetStorageValue(m_ahtkStorageKeys[tkTLSKind], OTI_DATA_ALLOCATION_FLAGS);
CThreadLocalStorage::UnsafeSetStorageValue(m_ahtkStorageKeys[tkTLSKind], OTI_DATA_ALLOCATION_FLAGS, (tlsvaluetype)(sizeint)(uCurrentFlags & ~uFlagsMask));
}
static TrimeshCollidersCache *GetTrimeshCollidersCache(EODETLSKIND tkTLSKind)
{
return (TrimeshCollidersCache *)CThreadLocalStorage::UnsafeGetStorageValue(m_ahtkStorageKeys[tkTLSKind], OTI_TRIMESH_TRIMESH_COLLIDER_CACHE);
}
public:
static bool AssignDataAllocationFlags(EODETLSKIND tkTLSKind, unsigned uInitializationFlags);
static bool AssignTrimeshCollidersCache(EODETLSKIND tkTLSKind, TrimeshCollidersCache *pccInstance);
static void DestroyTrimeshCollidersCache(EODETLSKIND tkTLSKind);
private:
static void FreeTrimeshCollidersCache(TrimeshCollidersCache *pccCacheInstance);
private:
static void _OU_CONVENTION_CALLBACK FreeTrimeshCollidersCache_Callback(tlsvaluetype vValueData);
private:
static HTLSKEY m_ahtkStorageKeys[OTK__MAX];
};
#endif // dTLS_ENABLED
#endif // _ODE_ODETLS_H_
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