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// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#ifndef RUST_REFCOUNT_H
#define RUST_REFCOUNT_H
#include "sync/sync.h"
// Refcounting defines
typedef unsigned long ref_cnt_t;
#define RUST_ATOMIC_REFCOUNT() \
private: \
intptr_t ref_count; \
public: \
void ref() { \
intptr_t old = sync::increment(ref_count); \
assert(old > 0); \
} \
void deref() { if(0 == sync::decrement(ref_count)) { delete_this(); } } \
intptr_t get_ref_count() { return sync::read(ref_count); }
#endif
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