windows-nt/Source/XPSP1/NT/admin/services/sched/inc/dll.hxx

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2020-09-26 03:20:57 -05:00
//____________________________________________________________________________
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1995 - 1996.
//
// File: dll.hxx
//
// Contents:
//
// Classes:
//
// Functions:
//
// History: 1/24/1996 RaviR Created
//
//____________________________________________________________________________
#ifndef _JOBFLDR_DLL_HXX_
#define _JOBFLDR_DLL_HXX_
class CDll
{
public:
static ULONG AddRef() { return InterlockedIncrement((LONG*)&s_cObjs); }
static ULONG Release() { return InterlockedDecrement((LONG*)&s_cObjs); }
static void LockServer(BOOL fLock) {
(fLock == TRUE) ? InterlockedIncrement((LONG*)&s_cLocks)
: InterlockedDecrement((LONG*)&s_cLocks);
}
static HRESULT CanUnloadNow(void) {
return (0L == s_cObjs && 0L == s_cLocks) ? S_OK : S_FALSE;
}
static ULONG s_cObjs;
static ULONG s_cLocks;
}; // class CDll
class CDllRef
{
public:
CDllRef(void) { CDll::AddRef(); }
~CDllRef(void) { CDll::Release(); }
}; // class CDllRef
class CWaitCursor
{
public:
CWaitCursor() {m_cOld=SetCursor(LoadCursor(NULL, IDC_WAIT));}
~CWaitCursor() {SetCursor(m_cOld);}
private:
HCURSOR m_cOld;
} ;
#endif // _JOBFLDR_DLL_HXX_