/usr/include/OpenThreads/ScopedLock is in libopenthreads-dev 3.2.3+dfsg1-2ubuntu8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 | /* -*-c++-*- OpenThreads library, Copyright (C) 2002 - 2007 The Open Thread Group
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
//
// ScopedLock and ReverseScopedLock templates
// ~~~~~~~
//
#ifndef _ScopedLock_
#define _ScopedLock_
namespace OpenThreads{
template <class M> class ScopedLock
{
private:
M& m_lock;
ScopedLock(const ScopedLock&); // prevent copy
ScopedLock& operator=(const ScopedLock&); // prevent assign
public:
explicit ScopedLock(M& m):m_lock(m) {m_lock.lock();}
~ScopedLock(){m_lock.unlock();}
};
template <class M> class ReverseScopedLock
{
private:
M& m_lock;
ReverseScopedLock(const ReverseScopedLock&); // prevent copy
ReverseScopedLock& operator=(const ReverseScopedLock&); // prevent assign
public:
explicit ReverseScopedLock(M& m):m_lock(m) {m_lock.unlock();}
~ReverseScopedLock(){m_lock.lock();}
};
template <class M> class ScopedPointerLock
{
private:
M* m_lock;
ScopedPointerLock(const ScopedPointerLock&); // prevent copy
ScopedPointerLock& operator=(const ScopedPointerLock&); // prevent assign
public:
explicit ScopedPointerLock(M* m):m_lock(m) { if (m_lock) m_lock->lock();}
~ScopedPointerLock(){ if (m_lock) m_lock->unlock();}
};
template <class M> class ReverseScopedPointerLock
{
private:
M* m_lock;
ReverseScopedPointerLock(const ReverseScopedPointerLock&); // prevent copy
ReverseScopedPointerLock& operator=(const ReverseScopedPointerLock&); // prevent assign
public:
explicit ReverseScopedPointerLock(M* m):m_lock(m) { if (m_lock) m_lock->unlock();}
~ReverseScopedPointerLock(){ if (m_lock) m_lock->lock();}
};
}
#endif
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