office-gobmx/sd/inc/misc/scopelock.hxx

58 lines
1.7 KiB
C++

/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
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*
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* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
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************************************************************************/
#ifndef _SD_SCOPELOCK_HXX
#define _SD_SCOPELOCK_HXX
namespace sd
{
class ScopeLock
{
friend class ScopeLockGuard;
public:
ScopeLock() : mnLock(0) {}
bool isLocked() const { return mnLock != 0; }
private:
void lock() { mnLock++; }
void unlock() { mnLock--; }
sal_Int32 mnLock;
};
class ScopeLockGuard
{
public:
ScopeLockGuard( ScopeLock& rScopeLock ) : mrScopeLock( rScopeLock ) { mrScopeLock.lock(); }
~ScopeLockGuard() { mrScopeLock.unlock(); }
private:
ScopeLock& mrScopeLock;
};
} // namespace sd
#endif // _SD_UNDOMANAGER_HXX