@Override
public long allocPage() throws IOException {
CommitLock.Shared shared = mCommitLock.acquireShared();
try {
return mPageManager.allocPage();
} catch (DatabaseException e) {
if (e.isRecoverable()) {
throw e;
}
throw closeOnFailure(e);
} catch (Throwable e) {
throw closeOnFailure(e);
} finally {
shared.release();
}
}
