36 lines
1.1 KiB
C++
36 lines
1.1 KiB
C++
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// Copyright 2018 The Chromium Authors
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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/task/sequence_manager/associated_thread_id.h"
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#include "base/check.h"
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#include "base/dcheck_is_on.h"
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namespace base {
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namespace sequence_manager {
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namespace internal {
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AssociatedThreadId::AssociatedThreadId() = default;
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AssociatedThreadId::~AssociatedThreadId() = default;
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void AssociatedThreadId::BindToCurrentThread() {
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#if DCHECK_IS_ON()
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const auto prev_thread_ref = thread_ref_.load(std::memory_order_relaxed);
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DCHECK(prev_thread_ref.is_null() ||
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prev_thread_ref == PlatformThread::CurrentRef());
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#endif
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thread_ref_.store(PlatformThread::CurrentRef(), std::memory_order_release);
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// Rebind the thread and sequence checkers to the current thread/sequence.
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DETACH_FROM_THREAD(thread_checker);
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DCHECK_CALLED_ON_VALID_THREAD(thread_checker);
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DETACH_FROM_SEQUENCE(sequence_checker);
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DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker);
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}
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} // namespace internal
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} // namespace sequence_manager
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} // namespace base
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