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36 lines
839 B
C++
36 lines
839 B
C++
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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/memory/ref_counted.h"
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namespace base {
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namespace subtle {
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bool RefCountedThreadSafeBase::HasOneRef() const {
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return ref_count_.IsOne();
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}
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#if defined(ARCH_CPU_64_BIT)
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void RefCountedBase::AddRefImpl() const {
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// Check if |ref_count_| overflow only on 64 bit archs since the number of
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// objects may exceed 2^32.
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// To avoid the binary size bloat, use non-inline function here.
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CHECK(++ref_count_ > 0);
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}
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#endif
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#if !defined(ARCH_CPU_X86_FAMILY)
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bool RefCountedThreadSafeBase::Release() const {
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return ReleaseImpl();
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}
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void RefCountedThreadSafeBase::AddRef() const {
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AddRefImpl();
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}
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#endif
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} // namespace subtle
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} // namespace base
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