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////////////////////////////////////////////////////////////////////////////////
// This source file is part of the ZipArchive library source distribution and
// is Copyrighted 2000 - 2007 by Artpol Software - Tadeusz Dracz
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// For the licensing details refer to the License.txt file.
//
// Web Site: http://www.artpol-software.com
////////////////////////////////////////////////////////////////////////////////
#ifndef ZIPARCHIVE_ZIPMUTEX_DOT_H
#error Do not include this file directly. Include ZipMutex.h instead
#endif
#ifdef ZIP_ARCHIVE_USE_LOCKING
#include "ZipException.h"
namespace ZipArchiveLib
{
class ZIP_API CZipMutex
{
HANDLE m_handle;
public:
CZipMutex(bool bOpen = false)
{
if (bOpen)
Open();
else
m_handle = NULL;
}
void Open()
{
Close();
m_handle = ::CreateMutex(NULL, FALSE, NULL);
if (m_handle == NULL)
CZipException::Throw(CZipException::mutexError);
}
void Lock()
{
DWORD dwRet = ::WaitForSingleObject(m_handle, INFINITE);
if (dwRet != WAIT_OBJECT_0 && dwRet != WAIT_ABANDONED)
CZipException::Throw(CZipException::mutexError);
}
void Unlock()
{
if (!::ReleaseMutex(m_handle))
CZipException::Throw(CZipException::mutexError);
}
void Close()
{
if (m_handle != NULL)
{
::CloseHandle(m_handle);
m_handle = NULL;
}
}
CZipMutex& operator=(const CZipMutex&)
{
m_handle = NULL;
return *this;
}
~CZipMutex()
{
Close();
}
};
}
#endif
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