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Diffstat (limited to 'lib/dns/include/dns/lmdb.h')
| -rw-r--r-- | lib/dns/include/dns/lmdb.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/lib/dns/include/dns/lmdb.h b/lib/dns/include/dns/lmdb.h new file mode 100644 index 0000000..f6986cf --- /dev/null +++ b/lib/dns/include/dns/lmdb.h @@ -0,0 +1,25 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * 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 https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#pragma once + +#define DNS_LMDB_COMMON_FLAGS (MDB_CREATE | MDB_NOSUBDIR | MDB_NOLOCK) +#ifndef __OpenBSD__ +#define DNS_LMDB_FLAGS (DNS_LMDB_COMMON_FLAGS) +#else /* __OpenBSD__ */ +/* + * OpenBSD does not have a unified buffer cache, which requires both reads and + * writes to be performed using mmap(). + */ +#define DNS_LMDB_FLAGS (DNS_LMDB_COMMON_FLAGS | MDB_WRITEMAP) +#endif /* __OpenBSD__ */ |