138 lines
3.2 KiB
C++
138 lines
3.2 KiB
C++
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// IOPLock.cpp: implementation of the CIOPLock class.
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//
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// (c) Copyright Schlumberger Technology Corp., unpublished work, created
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// 2000. This computer program includes Confidential, Proprietary
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// Information and is a Trade Secret of Schlumberger Technology Corp. All
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// use, disclosure, and/or reproduction is prohibited unless authorized
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// in writing. All Rights Reserved.
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//////////////////////////////////////////////////////////////////////
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#include "NoWarning.h"
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#include <scuOsExc.h>
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#include <scuOsVersion.h>
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#include "IOPLock.h"
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#include "iopExc.h"
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#include "iop.h"
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#include "SmartCard.h"
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using namespace std;
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using namespace iop;
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RMHangProcDeathSynchObjects::RMHangProcDeathSynchObjects(SECURITY_ATTRIBUTES *psa,
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LPCTSTR lpMutexName)
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: m_hMutex(INVALID_HANDLE_VALUE)
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{
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InitializeCriticalSection(&m_cs);
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// Set up Mutex
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m_hMutex = CreateMutex(psa, FALSE, lpMutexName);
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if (!m_hMutex)
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{
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DWORD dwLastError = GetLastError();
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DeleteCriticalSection(&m_cs);
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throw scu::OsException(dwLastError);
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}
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}
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RMHangProcDeathSynchObjects::~RMHangProcDeathSynchObjects()
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{
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try
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{
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// Be sure that the calling thread is the owner (if any) of the locks
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EnterCriticalSection(&m_cs);
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CloseHandle(m_hMutex);
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}
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catch (...)
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{
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}
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try
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{
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LeaveCriticalSection(&m_cs);
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DeleteCriticalSection(&m_cs);
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}
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catch (...)
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{
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}
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}
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CRITICAL_SECTION *
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RMHangProcDeathSynchObjects::CriticalSection()
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{
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return &m_cs;
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}
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HANDLE
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RMHangProcDeathSynchObjects::Mutex() const
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{
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return m_hMutex;
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}
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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CIOPLock::CIOPLock(const char *szReaderName)
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: m_apRMHangProcDeathSynchObjects(0),
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m_pSmartCard(0)
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{
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m_iRefCount = 0;
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#if defined(SLBIOP_RM_HANG_AT_PROCESS_DEATH)
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SECURITY_ATTRIBUTES *psa = NULL;
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#if defined(SLBIOP_USE_SECURITY_ATTRIBUTES)
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CSecurityAttributes *sa = new CSecurityAttributes;
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CIOP::InitIOPSecurityAttrs(sa);
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psa = &(sa->sa);
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#endif
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// Set up mutex name
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char szMutexName[RMHangProcDeathSynchObjects::cMaxMutexNameLength]
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= "SLBIOP_MUTEX_";
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if (strlen(szMutexName) + strlen(szReaderName) + 1 >
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RMHangProcDeathSynchObjects::cMaxMutexNameLength)
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throw Exception(ccSynchronizationObjectNameTooLong);
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strcat(szMutexName, szReaderName);
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m_apRMHangProcDeathSynchObjects =
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auto_ptr<RMHangProcDeathSynchObjects>(new
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RMHangProcDeathSynchObjects(psa,
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szMutexName));
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#if defined(SLBIOP_USE_SECURITY_ATTRIBUTES)
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delete sa;
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#endif
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#endif // defined(SLBIOP_RM_HANG_AT_PROCESS_DEATH)
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}
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CIOPLock::~CIOPLock()
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{
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}
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CRITICAL_SECTION *
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CIOPLock::CriticalSection()
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{
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return m_apRMHangProcDeathSynchObjects->CriticalSection();
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}
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void CIOPLock::Init(CSmartCard *pSmartCard)
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{
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m_pSmartCard = pSmartCard;
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}
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HANDLE
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CIOPLock::MutexHandle()
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{
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return m_apRMHangProcDeathSynchObjects->Mutex();
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}
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