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