void DatabaseThread::cleanupDatabaseThread() {
DCHECK(isDatabaseThread());
STORAGE_DVLOG(1) << "Cleaning up DatabaseThread " << this;
// Clean up the list of all pending transactions on this database thread
m_transactionCoordinator->shutdown();
// Close the databases that we ran transactions on. This ensures that if any
// transactions are still open, they are rolled back and we don't leave the
// database in an inconsistent or locked state.
if (m_openDatabaseSet.size() > 0) {
// As the call to close will modify the original set, we must take a copy to
// iterate over.
HashSet<CrossThreadPersistent<Database>> openSetCopy;
openSetCopy.swap(m_openDatabaseSet);
HashSet<CrossThreadPersistent<Database>>::iterator end = openSetCopy.end();
for (HashSet<CrossThreadPersistent<Database>>::iterator it =
openSetCopy.begin();
it != end; ++it)
(*it)->close();
}
m_openDatabaseSet.clear();
m_thread->postTask(BLINK_FROM_HERE,
WTF::bind(&DatabaseThread::cleanupDatabaseThreadCompleted,
wrapCrossThreadPersistent(this)));
}
bool DatabaseThread::isDatabaseOpen(DatabaseBackend* database)
{
ASSERT(isDatabaseThread());
ASSERT(database);
MutexLocker lock(m_terminationRequestedMutex);
return !m_terminationRequested && m_openDatabaseSet.contains(database);
}
void DatabaseThread::recordDatabaseOpen(DatabaseBackend* database)
{
ASSERT(isDatabaseThread());
ASSERT(database);
ASSERT(!m_openDatabaseSet.contains(database));
m_openDatabaseSet.add(database);
}
void DatabaseThread::recordDatabaseOpen(Database* database) {
ASSERT(isDatabaseThread());
ASSERT(database);
ASSERT(!m_openDatabaseSet.contains(database));
MutexLocker lock(m_terminationRequestedMutex);
if (!m_terminationRequested)
m_openDatabaseSet.add(database);
}
void DatabaseThread::recordDatabaseClosed(DatabaseBackend* database)
{
#ifndef ASSERT_DISABLED
MutexLocker lock(m_terminationRequestedMutex);
#endif
ASSERT(isDatabaseThread());
ASSERT(database);
ASSERT(m_terminationRequested || m_openDatabaseSet.contains(database));
m_openDatabaseSet.remove(database);
}
void DatabaseThread::recordDatabaseClosed(Database* database) {
ASSERT(isDatabaseThread());
ASSERT(database);
#if ENABLE(ASSERT)
{
MutexLocker lock(m_terminationRequestedMutex);
ASSERT(m_terminationRequested || m_openDatabaseSet.contains(database));
}
#endif
m_openDatabaseSet.remove(database);
}