57 lines
713 B
C
57 lines
713 B
C
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// Copyright (c) 1994 James Clark
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// See the file COPYING for copying permission.
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#ifndef Resource_INCLUDED
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#define Resource_INCLUDED 1
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#ifdef SP_NAMESPACE
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namespace SP_NAMESPACE {
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#endif
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class SP_API Resource {
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public:
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Resource();
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Resource(const Resource &);
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int unref(); // return 1 if it should be deleted
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void ref();
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int count() const;
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private:
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int count_;
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};
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inline
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Resource::Resource()
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: count_(0)
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{
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}
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inline
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Resource::Resource(const Resource &)
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: count_(0)
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{
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}
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inline
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int Resource::count() const
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{
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return count_;
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}
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inline
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int Resource::unref()
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{
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return --count_ <= 0;
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}
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inline
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void Resource::ref()
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{
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++count_;
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}
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#ifdef SP_NAMESPACE
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}
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#endif
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#endif /* not Resource_INCLUDED */
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