84 lines
1.7 KiB
C++
84 lines
1.7 KiB
C++
/*
|
|
* CDE - Common Desktop Environment
|
|
*
|
|
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
|
|
*
|
|
* These libraries and programs are free software; you can
|
|
* redistribute them and/or modify them under the terms of the GNU
|
|
* Lesser General Public License as published by the Free Software
|
|
* Foundation; either version 2 of the License, or (at your option)
|
|
* any later version.
|
|
*
|
|
* These libraries and programs are distributed in the hope that
|
|
* they will be useful, but WITHOUT ANY WARRANTY; without even the
|
|
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
* PURPOSE. See the GNU Lesser General Public License for more
|
|
* details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with these librararies and programs; if not, write
|
|
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
|
|
* Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
/* $XConsortium: Resource.h /main/1 1996/07/29 17:02:54 cde-hp $ */
|
|
// Copyright (c) 1994 James Clark
|
|
// See the file COPYING for copying permission.
|
|
|
|
#ifndef Resource_INCLUDED
|
|
#define Resource_INCLUDED 1
|
|
|
|
#ifdef SP_NAMESPACE
|
|
namespace SP_NAMESPACE {
|
|
#endif
|
|
|
|
#ifndef SP_API
|
|
#define SP_API /* as nothing */
|
|
#endif
|
|
|
|
class SP_API Resource {
|
|
public:
|
|
Resource();
|
|
Resource(const Resource &);
|
|
int unref(); // return 1 if it should be deleted
|
|
void ref();
|
|
int count() const;
|
|
private:
|
|
int count_;
|
|
};
|
|
|
|
inline
|
|
Resource::Resource()
|
|
: count_(0)
|
|
{
|
|
}
|
|
|
|
inline
|
|
Resource::Resource(const Resource &)
|
|
: count_(0)
|
|
{
|
|
}
|
|
|
|
inline
|
|
int Resource::count() const
|
|
{
|
|
return count_;
|
|
}
|
|
|
|
inline
|
|
int Resource::unref()
|
|
{
|
|
return --count_ <= 0;
|
|
}
|
|
|
|
inline
|
|
void Resource::ref()
|
|
{
|
|
++count_;
|
|
}
|
|
|
|
#ifdef SP_NAMESPACE
|
|
}
|
|
#endif
|
|
|
|
#endif /* not Resource_INCLUDED */
|