2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2007 Attilio Rao <attilio@freebsd.org>
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8 * modification, are permitted provided that the following conditions
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12 * the first lines of this file unmodified other than the possible
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37 * Shared/exclusive lock main structure definition.
40 struct lock_object lock_object;
41 volatile uintptr_t sx_lock;
44 #endif /* !_SYS__SX_H_ */