From e2abcdca396661cbe0ae2ddb13d5c2b85682c13a Mon Sep 17 00:00:00 2001
From: Cem Keylan <cem@ckyln.com>
Date: Fri, 16 Oct 2020 17:41:25 +0300
Subject: initial commit

---
 sys/sys/_lock.h | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 sys/sys/_lock.h

(limited to 'sys/sys/_lock.h')

diff --git a/sys/sys/_lock.h b/sys/sys/_lock.h
new file mode 100644
index 0000000..fbcfb0a
--- /dev/null
+++ b/sys/sys/_lock.h
@@ -0,0 +1,70 @@
+/*	$OpenBSD: _lock.h,v 1.4 2019/04/23 13:35:12 visa Exp $	*/
+
+/*-
+ * Copyright (c) 1997 Berkeley Software Design, 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.
+ * 3. Berkeley Software Design Inc's name may not be used to endorse or
+ *    promote products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN INC ``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 BERKELEY SOFTWARE DESIGN INC 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.
+ *
+ * $FreeBSD: head/sys/sys/_lock.h 179025 2008-05-15 20:10:06Z attilio $
+ */
+
+#ifndef _SYS__LOCK_H_
+#define	_SYS__LOCK_H_
+
+#define	LO_CLASSFLAGS	0x0000ffff	/* Class specific flags. */
+#define	LO_INITIALIZED	0x00010000	/* Lock has been initialized. */
+#define	LO_WITNESS	0x00020000	/* Should witness monitor this lock. */
+#define	LO_QUIET	0x00040000	/* Don't log locking operations. */
+#define	LO_RECURSABLE	0x00080000	/* Lock may recurse. */
+#define	LO_SLEEPABLE	0x00100000	/* Lock may be held while sleeping. */
+#define	LO_UPGRADABLE	0x00200000	/* Lock may be upgraded/downgraded. */
+#define	LO_DUPOK	0x00400000	/* Don't check for duplicate acquires */
+#define	LO_IS_VNODE	0x00800000	/* Tell WITNESS about a VNODE lock */
+#define	LO_CLASSMASK	0x0f000000	/* Class index bitmask. */
+#define	LO_NOPROFILE	0x10000000	/* Don't profile this lock */
+#define	LO_NEW		0x20000000	/* Don't check for double-init */
+
+#define	LO_CLASSSHIFT		24
+
+enum lock_class_index {
+	LO_CLASS_KERNEL_LOCK,
+	LO_CLASS_SCHED_LOCK,
+	LO_CLASS_MUTEX,
+	LO_CLASS_RWLOCK,
+	LO_CLASS_RRWLOCK
+};
+
+struct lock_object {
+	const struct lock_type	*lo_type;
+	const char		*lo_name;	/* Individual lock name. */
+	struct witness		*lo_witness;	/* Data for witness. */
+	unsigned int		 lo_flags;
+};
+
+struct lock_type {
+	const char		*lt_name;
+};
+
+#endif /* !_SYS__LOCK_H_ */
-- 
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