/usr/include/InterViews/resource.h is in ivtools-dev 1.2.11a1-11.
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) 1987, 1988, 1989, 1990, 1991 Stanford University
* Copyright (c) 1991 Silicon Graphics, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that (i) the above copyright notices and this permission notice appear in
* all copies of the software and related documentation, and (ii) the names of
* Stanford and Silicon Graphics may not be used in any advertising or
* publicity relating to the software without the specific, prior written
* permission of Stanford and Silicon Graphics.
*
* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
*
* IN NO EVENT SHALL STANFORD OR SILICON GRAPHICS BE LIABLE FOR
* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
/*
* Resources are shared objects.
*/
#ifndef iv_resource_h
#define iv_resource_h
#include <ignores.h>
#include <InterViews/enter-scope.h>
//: shared reference-counted objects.
// <a href=../man3.1/Resource.html>man page</a>
class Resource {
public:
Resource();
virtual ~Resource();
virtual void ref() const;
virtual void unref() const;
virtual void unref_deferred() const;
virtual void cleanup();
/* nops for nil pointers */
static void ref(const Resource*);
static void unref(const Resource*);
static void unref_deferred(const Resource*);
/* postpone unref deletes */
static boolean defer(boolean);
static void flush();
/* for backward compatibility */
virtual void Reference() const { ref(); }
virtual void Unreference() const { unref(); }
unsigned refcount_;
private:
/* prohibit default assignment */
Resource& operator =(const Resource&);
};
/*
* For backward compatibility
*/
static inline void Unref(const Resource* r) { Resource::unref(r); }
#endif
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