Deleted Added
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kern_rwlock.c (197643) kern_rwlock.c (205626)
1/*-
2 * Copyright (c) 2006 John Baldwin <jhb@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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27 * SUCH DAMAGE.
28 */
29
30/*
31 * Machine independent bits of reader/writer lock implementation.
32 */
33
34#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 2006 John Baldwin <jhb@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 18 unchanged lines hidden (view full) ---

27 * SUCH DAMAGE.
28 */
29
30/*
31 * Machine independent bits of reader/writer lock implementation.
32 */
33
34#include <sys/cdefs.h>
35__FBSDID("$FreeBSD: head/sys/kern/kern_rwlock.c 197643 2009-09-30 13:26:31Z attilio $");
35__FBSDID("$FreeBSD: head/sys/kern/kern_rwlock.c 205626 2010-03-24 19:21:26Z bz $");
36
37#include "opt_ddb.h"
38#include "opt_kdtrace.h"
39#include "opt_no_adaptive_rwlocks.h"
40
41#include <sys/param.h>
42#include <sys/ktr.h>
43#include <sys/kernel.h>

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194 rw->rw_recurse = 0;
195 lock_init(&rw->lock_object, &lock_class_rw, name, NULL, flags);
196}
197
198void
199rw_destroy(struct rwlock *rw)
200{
201
36
37#include "opt_ddb.h"
38#include "opt_kdtrace.h"
39#include "opt_no_adaptive_rwlocks.h"
40
41#include <sys/param.h>
42#include <sys/ktr.h>
43#include <sys/kernel.h>

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194 rw->rw_recurse = 0;
195 lock_init(&rw->lock_object, &lock_class_rw, name, NULL, flags);
196}
197
198void
199rw_destroy(struct rwlock *rw)
200{
201
202 KASSERT(rw->rw_lock == RW_UNLOCKED, ("rw lock not unlocked"));
203 KASSERT(rw->rw_recurse == 0, ("rw lock still recursed"));
202 KASSERT(rw->rw_lock == RW_UNLOCKED, ("rw lock %p not unlocked", rw));
203 KASSERT(rw->rw_recurse == 0, ("rw lock %p still recursed", rw));
204 rw->rw_lock = RW_DESTROYED;
205 lock_destroy(&rw->lock_object);
206}
207
208void
209rw_sysinit(void *arg)
210{
211 struct rw_args *args = arg;

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204 rw->rw_lock = RW_DESTROYED;
205 lock_destroy(&rw->lock_object);
206}
207
208void
209rw_sysinit(void *arg)
210{
211 struct rw_args *args = arg;

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