forked from mirrors/gecko-dev
b13b4d3deb
Move ThreadLocal to a separate header file. Reuse LoggingIdString in ThreadLocal (and make use of nsAutoCStringN). Differential Revision: https://phabricator.services.mozilla.com/D82018
96 lines
2.4 KiB
C++
96 lines
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_indexeddb_threadlocal_h__
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#define mozilla_dom_indexeddb_threadlocal_h__
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#include "IDBTransaction.h"
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#include "mozilla/dom/indexedDB/PBackgroundIDBSharedTypes.h"
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#include "ProfilerHelpers.h"
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namespace mozilla {
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namespace dom {
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class IDBFactory;
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namespace indexedDB {
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class ThreadLocal {
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friend class DefaultDelete<ThreadLocal>;
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friend IDBFactory;
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LoggingInfo mLoggingInfo;
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Maybe<IDBTransaction&> mCurrentTransaction;
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LoggingIdString<false> mLoggingIdString;
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NS_DECL_OWNINGTHREAD
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public:
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ThreadLocal() = delete;
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ThreadLocal(const ThreadLocal& aOther) = delete;
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void AssertIsOnOwningThread() const { NS_ASSERT_OWNINGTHREAD(ThreadLocal); }
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const LoggingInfo& GetLoggingInfo() const {
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AssertIsOnOwningThread();
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return mLoggingInfo;
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}
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const nsID& Id() const {
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AssertIsOnOwningThread();
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return mLoggingInfo.backgroundChildLoggingId();
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}
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const nsCString& IdString() const {
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AssertIsOnOwningThread();
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return mLoggingIdString;
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}
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int64_t NextTransactionSN(IDBTransaction::Mode aMode) {
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AssertIsOnOwningThread();
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MOZ_ASSERT(mLoggingInfo.nextTransactionSerialNumber() < INT64_MAX);
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MOZ_ASSERT(mLoggingInfo.nextVersionChangeTransactionSerialNumber() >
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INT64_MIN);
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if (aMode == IDBTransaction::Mode::VersionChange) {
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return mLoggingInfo.nextVersionChangeTransactionSerialNumber()--;
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}
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return mLoggingInfo.nextTransactionSerialNumber()++;
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}
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uint64_t NextRequestSN() {
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AssertIsOnOwningThread();
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MOZ_ASSERT(mLoggingInfo.nextRequestSerialNumber() < UINT64_MAX);
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return mLoggingInfo.nextRequestSerialNumber()++;
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}
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void SetCurrentTransaction(Maybe<IDBTransaction&> aCurrentTransaction) {
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AssertIsOnOwningThread();
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mCurrentTransaction = aCurrentTransaction;
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}
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Maybe<IDBTransaction&> MaybeCurrentTransactionRef() const {
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AssertIsOnOwningThread();
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return mCurrentTransaction;
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}
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private:
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explicit ThreadLocal(const nsID& aBackgroundChildLoggingId);
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~ThreadLocal();
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};
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} // namespace indexedDB
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_indexeddb_threadlocal_h__
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