BeCriticalSection.h

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/*--------------------------------------------------------------------------------------+
|
|   Supplied under applicable software license agreement.
|
|   Copyright (c) 2018 Bentley Systems, Incorporated. All rights reserved.
|
+---------------------------------------------------------------------------------------*/
#pragma once


#include "Bentley.h"


BEGIN_BENTLEY_NAMESPACE

/*=================================================================================**/
class  BeCriticalSection 
    {
private:
    UInt8  m_osCSect[64];
    bool   m_isValid;

public:

    BENTLEYDLL_EXPORT BeCriticalSection ();
    BENTLEYDLL_EXPORT ~BeCriticalSection ();
    BENTLEYDLL_EXPORT void    Enter ();
    BENTLEYDLL_EXPORT void Leave ();

    BENTLEYDLL_EXPORT intptr_t GetOwningThreadId () const;

    BENTLEYDLL_EXPORT static intptr_t GetCurrentThreadId();

    BENTLEYDLL_EXPORT bool GetIsValid () const;

#if defined (_WIN32) // Windows && WinRT
    BENTLEYDLL_EXPORT bool HasEntered() const;
#endif
    };

/*=================================================================================**/
struct BeCriticalSectionHolder 
    {
private:
    BeCriticalSection&    m_csect;

public:
    BeCriticalSectionHolder (BeCriticalSection& p) : m_csect(p) {m_csect.Enter ();}

    ~BeCriticalSectionHolder () {m_csect.Leave ();}
    };


END_BENTLEY_NAMESPACE