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// file : cult/mm/arch/generic/counter.hxx
// author : Boris Kolpackov <boris@kolpackov.net>
// copyright : Copyright (c) 2005-2010 Boris Kolpackov
// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
#ifndef CULT_MM_ARCH_GENERIC_COUNTER_HXX
#define CULT_MM_ARCH_GENERIC_COUNTER_HXX
#include <cult/types/fundamental.hxx>
#include <cult/sched/spin.hxx>
namespace Cult
{
namespace MM
{
class Counter: public NonCopyable
{
public:
Counter ();
// After failure assume the counter has its old value.
//
Void
inc_ref ();
// After failure assume the counter has its new value.
//
Boolean
dec_ref ();
Size
count () const;
private:
Size value_;
mutable Sched::Spin spin_;
};
}
}
#include <cult/mm/arch/generic/counter.ixx>
#endif // CULT_MM_ARCH_GENERIC_COUNTER_HXX
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