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