48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
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//+----------------------------------------------------------------------------
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//
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// File: mutex.h
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//
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// Module: CMSETUP.LIB, CMDIAL32.DLL, CMDL32.EXE
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//
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// Synopsis: Definition of the class CNamedMutex
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//
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// Copyright (c) 1998-1999 Microsoft Corporation
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//
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// Author: fengsun Created 02/26/98
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//
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//+----------------------------------------------------------------------------
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#ifndef __CM_MUTEXT_H
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#define __CM_MUTEXT_H
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#include <windows.h>
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#include "cmdebug.h"
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//+---------------------------------------------------------------------------
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//
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// class CNamedMutex
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//
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// Description: A class to lock/unlock a named mutex
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// The destructor releases the mutex.
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//
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// History: fengsun Created 2/19/98
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//
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//----------------------------------------------------------------------------
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class CNamedMutex
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{
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public:
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CNamedMutex() {m_hMutex = NULL; m_fOwn = FALSE;}
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~CNamedMutex() {Unlock();}
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BOOL Lock(LPCTSTR lpName, BOOL fWait = FALSE, DWORD dwMilliseconds = INFINITE, BOOL fNoAbandon = FALSE);
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void Unlock();
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protected:
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HANDLE m_hMutex; // the handle of the mutex
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BOOL m_fOwn; // whther we own the mutex
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};
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#endif //__CM_MUTEXT_H
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