blob: c4235e4d97ba98a1fb61d33f8aec507ed8b42fd1 [file] [log] [blame]
/*
* Copyright (C) 2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "SessionID.h"
#include <wtf/MainThread.h>
namespace PAL {
static uint64_t currentPersistentID = SessionID::DefaultSessionID;
static uint64_t currentEphemeralID = SessionID::LegacyPrivateSessionID;
static bool generationProtectionEnabled;
SessionID SessionID::generatePersistentSessionID()
{
ASSERT(isMainThread());
RELEASE_ASSERT(!generationProtectionEnabled);
return SessionID(++currentPersistentID);
}
SessionID SessionID::generateEphemeralSessionID()
{
ASSERT(isMainThread());
RELEASE_ASSERT(!generationProtectionEnabled);
return SessionID(++currentEphemeralID);
}
void SessionID::enableGenerationProtection()
{
generationProtectionEnabled = true;
}
SessionID SessionID::isolatedCopy() const
{
return SessionID { m_sessionID };
}
} // namespace PAL