CStdCSecEx Class Reference

#include <StdSync.h>

Inheritance diagram for CStdCSecEx:

Collaboration diagram for CStdCSecEx:

Public Member Functions
	CStdCSecEx ()
	CStdCSecEx (CStdCSecExCallback *pCallb)
	~CStdCSecEx () override=default
void	Enter () override
void	Leave () override
void	EnterShared ()
void	LeaveShared ()

Protected Attributes
long	lShareCnt {0}
CStdEvent	ShareFreeEvent
CStdCSecExCallback *	pCallbClass {nullptr}

Detailed Description

Definition at line 190 of file StdSync.h.

Constructor & Destructor Documentation

CStdCSecEx() [1/2]

CStdCSecEx::CStdCSecEx ( )

inline

Definition at line 193 of file StdSync.h.

            : ShareFreeEvent(false)
    { }

CStdCSecEx() [2/2]

CStdCSecEx::CStdCSecEx ( CStdCSecExCallback *  pCallb )

inline

Definition at line 196 of file StdSync.h.

            : lShareCnt(0), ShareFreeEvent(false), pCallbClass(pCallb)
    { }

~CStdCSecEx()

CStdCSecEx::~CStdCSecEx ( )

overridedefault

Member Function Documentation

Enter()

void CStdCSecEx::Enter ( )

inlineoverridevirtual

Reimplemented from CStdCSec.

Definition at line 212 of file StdSync.h.

    {
        // lock
        CStdCSec::Enter();
        // wait for share-free
        while (lShareCnt)
        {
            // reset event
            ShareFreeEvent.Reset();
            // leave section for waiting
            CStdCSec::Leave();
            // wait
            ShareFreeEvent.WaitFor(INFINITE);
            // reenter section
            CStdCSec::Enter();
        }
    }

References CStdCSec::Enter(), INFINITE, CStdCSec::Leave(), lShareCnt, CStdEvent::Reset(), ShareFreeEvent, and CStdEvent::WaitFor().

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EnterShared()

void CStdCSecEx::EnterShared ( )

inline

Definition at line 238 of file StdSync.h.

    {
        // lock
        CStdCSec::Enter();
        // add share
        lShareCnt++;
        // unlock
        CStdCSec::Leave();
    }

References CStdCSec::Enter(), CStdCSec::Leave(), and lShareCnt.

Referenced by CStdShareLock::CStdShareLock().

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Leave()

void CStdCSecEx::Leave ( )

inlineoverridevirtual

Reimplemented from CStdCSec.

Definition at line 230 of file StdSync.h.

    {
        // set event
        ShareFreeEvent.Set();
        // unlock
        CStdCSec::Leave();
    }

References CStdCSec::Leave(), CStdEvent::Set(), and ShareFreeEvent.

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LeaveShared()

void CStdCSecEx::LeaveShared ( )

inline

Definition at line 248 of file StdSync.h.

    {
        // lock
        CStdCSec::Enter();
        // remove share
        if (!--lShareCnt)
        {
            // do callback
            if (pCallbClass)
                pCallbClass->OnShareFree(this);
            // set event
            ShareFreeEvent.Set();
        }
        // unlock
        CStdCSec::Leave();
    }

References CStdCSec::Enter(), CStdCSec::Leave(), lShareCnt, CStdCSecExCallback::OnShareFree(), pCallbClass, CStdEvent::Set(), and ShareFreeEvent.

Referenced by CStdShareLock::Clear().

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Member Data Documentation

lShareCnt

long CStdCSecEx::lShareCnt {0}

protected

Definition at line 203 of file StdSync.h.

Referenced by Enter(), EnterShared(), and LeaveShared().

pCallbClass

CStdCSecExCallback* CStdCSecEx::pCallbClass {nullptr}

protected

Definition at line 207 of file StdSync.h.

Referenced by LeaveShared().

ShareFreeEvent

CStdEvent CStdCSecEx::ShareFreeEvent

protected

Definition at line 205 of file StdSync.h.

Referenced by Enter(), Leave(), and LeaveShared().

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The documentation for this class was generated from the following file:

• StdSync.h