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60 lines
2.1 KiB
C++
Executable File
60 lines
2.1 KiB
C++
Executable File
// Copyright (c) 1998-1999 Matra Datavision
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// Copyright (c) 1999-2012 OPEN CASCADE SAS
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//
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// The content of this file is subject to the Open CASCADE Technology Public
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// License Version 6.5 (the "License"). You may not use the content of this file
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// except in compliance with the License. Please obtain a copy of the License
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// at http://www.opencascade.org and read it completely before using this file.
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//
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// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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//
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// The Original Code and all software distributed under the License is
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// distributed on an "AS IS" basis, without warranty of any kind, and the
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// Initial Developer hereby disclaims all such warranties, including without
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// limitation, any warranties of merchantability, fitness for a particular
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// purpose or non-infringement. Please see the License for the specific terms
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// and conditions governing the rights and limitations under the License.
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#include <Handle_Standard_Transient.hxx>
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#include <Standard_Atomic.hxx>
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//============================================================================
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void Handle(Standard_Transient)::Dump(Standard_OStream& out) const
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{
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out << Access();
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}
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//============================================================================
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void Handle(Standard_Transient)::Assign (const Standard_Transient *anItem)
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{
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Standard_Transient *anIt = ( anItem ? (Standard_Transient*)anItem : UndefinedHandleAddress );
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if ( anIt == entity ) return;
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EndScope();
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entity = anIt;
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BeginScope();
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}
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//============================================================================
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void Handle(Standard_Transient)::BeginScope()
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{
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if (entity != UndefinedHandleAddress)
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{
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Standard_Atomic_Increment (&entity->count);
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}
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}
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//============================================================================
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void Handle(Standard_Transient)::EndScope()
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{
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if (entity == UndefinedHandleAddress)
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return;
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if (Standard_Atomic_Decrement (&entity->count) == 0)
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entity->Delete();
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entity = UndefinedHandleAddress;
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}
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