mirror of
https://github.com/reactos/reactos.git
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fc3eeb61f3
Refactoring and reduce binary size. JIRA issue: CORE-19268 - Add cicero static library in sdk/lib/cicero folder. - Delete sdk/include/reactos/cicero folder. - Adapt the dependencies to these changes. - Make ctfmon, msutb, and msctf modules UNICODE.
124 lines
2.5 KiB
C++
124 lines
2.5 KiB
C++
/*
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* PROJECT: ReactOS Cicero
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* LICENSE: LGPL-2.1-or-later (https://spdx.org/licenses/LGPL-2.1-or-later)
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* PURPOSE: Cicero file mapping
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* COPYRIGHT: Copyright 2023 Katayama Hirofumi MZ <katayama.hirofumi.mz@gmail.com>
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*/
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#include "precomp.h"
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#include "cicfmap.h"
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CicFileMapping::CicFileMapping(LPCTSTR pszName, CicMutex *pMutex)
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{
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m_pszName = NULL;
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m_pView = NULL;
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m_hMapping = NULL;
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m_bCreated = FALSE;
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m_bHasMutex = FALSE;
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m_pMutex = NULL;
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Init(pszName, pMutex);
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}
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void CicFileMappingStatic::Close()
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{
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if (m_pView)
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{
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::UnmapViewOfFile(m_pView);
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m_pView = NULL;
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}
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if (m_hMapping)
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{
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::CloseHandle(m_hMapping);
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m_hMapping = NULL;
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}
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m_bCreated = FALSE;
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}
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void CicFileMappingStatic::Init(LPCTSTR pszName, CicMutex *pMutex)
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{
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if (pMutex)
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m_pMutex = pMutex;
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m_bCreated = FALSE;
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m_pszName = pszName;
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m_bHasMutex = (pMutex != NULL);
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}
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LPVOID
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CicFileMappingStatic::Create(
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LPSECURITY_ATTRIBUTES pSA,
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DWORD dwMaximumSizeLow,
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LPBOOL pbAlreadyExists)
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{
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if (!m_pszName)
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return NULL;
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m_hMapping = ::CreateFileMapping(INVALID_HANDLE_VALUE,
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pSA,
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PAGE_READWRITE,
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0,
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dwMaximumSizeLow,
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m_pszName);
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if (pbAlreadyExists)
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*pbAlreadyExists = (::GetLastError() == ERROR_ALREADY_EXISTS);
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if (!m_hMapping)
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return NULL;
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m_bCreated = TRUE;
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return _Map();
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}
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LPVOID CicFileMappingStatic::Open()
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{
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if (!m_pszName)
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return NULL;
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m_hMapping = ::OpenFileMapping(FILE_MAP_ALL_ACCESS, FALSE, m_pszName);
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if (!m_hMapping)
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return NULL;
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return _Map();
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}
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LPVOID CicFileMappingStatic::_Map()
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{
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m_pView = ::MapViewOfFile(m_hMapping, FILE_MAP_WRITE, 0, 0, 0);
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if (!m_pView)
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{
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Close();
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return NULL;
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}
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return m_pView;
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}
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BOOL CicFileMappingStatic::Enter()
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{
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if (!m_bHasMutex)
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return TRUE;
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return m_pMutex->Enter();
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}
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void CicFileMappingStatic::Leave()
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{
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if (!m_bHasMutex)
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return;
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m_pMutex->Leave();
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}
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BOOL CicFileMappingStatic::Flush(SIZE_T dwNumberOfBytesToFlush)
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{
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if (!m_pView)
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return FALSE;
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return ::FlushViewOfFile(m_pView, dwNumberOfBytesToFlush);
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}
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void CicFileMappingStatic::Finalize()
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{
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if (!m_bHasMutex)
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return;
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Close();
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Leave();
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}
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