/usr/include/zthread/ClassLockable.h is in libzthread-dev 2.3.2-7.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2005, Eric Crahen
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is furnished
* to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef __ZTCLASSLOCKABLE_H__
#define __ZTCLASSLOCKABLE_H__
#include "zthread/CountedPtr.h"
#include "zthread/Mutex.h"
namespace ZThread {
/**
* @class ClassLockable
*
* @author Eric Crahen <http://www.code-foo.com>
* @date <2003-07-16T23:37:38-0400>
* @version 2.3.0
*
*
*/
template <typename ClassType, class LockType = Mutex>
class ClassLockable : public Lockable {
static CountedPtr<LockType> _instance;
CountedPtr<LockType> _lock;
public:
//! Create a ClassLockable
ClassLockable()
: _lock(_instance) {}
//! acquire() the ClassLockable
virtual void acquire() {
_lock->acquire();
}
//! tryAcquire() the ClassLockable
virtual bool tryAcquire(unsigned long timeout) {
return _lock->tryAcquire(timeout);
}
//! release() the ClassLockable
virtual void release() {
_lock->release();
}
};
template <typename ClassType, class LockType>
CountedPtr<LockType> ClassLockable<ClassType, LockType>::_instance(new LockType);
} // namespace ZThread
#endif // __ZTCLASSLOCKABLE_H__
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