/usr/include/oce/MMgt_TShared.hxx is in liboce-foundation-dev 0.18.2-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to
// this header file considered to be the "object code" form of the original source.
#ifndef _MMgt_TShared_HeaderFile
#define _MMgt_TShared_HeaderFile
#include <Standard.hxx>
#include <Standard_DefineHandle.hxx>
#include <Handle_MMgt_TShared.hxx>
#include <Standard_Transient.hxx>
class Standard_OutOfMemory;
//! Intermediate class between Standard_Transient
//! and descendants.
//! The abstract class TShared is the root class of
//! managed objects. TShared objects are managed
//! by a memory manager based on reference
//! counting. They have handle semantics. In other
//! words, the reference counter is transparently
//! incremented and decremented according to the
//! scope of handles. When all handles, which
//! reference a single object are out of scope, the
//! reference counter becomes null and the object is
//! automatically deleted. The deallocated memory is
//! not given back to the system though. It is
//! reclaimed for new objects of the same size.
//! Warning
//! This memory management scheme does not
//! work for cyclic data structures. In such cases
//! (with back pointers for example), you should
//! interrupt the cycle in a class by using a full C++
//! pointer instead of a handle.
class MMgt_TShared : public Standard_Transient
{
public:
Standard_EXPORT virtual void Delete() const;
DEFINE_STANDARD_RTTI(MMgt_TShared)
protected:
private:
};
#endif // _MMgt_TShared_HeaderFile
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