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Add lock_owner_onproc().

This commit is contained in:
ad 2006-09-07 02:06:47 +00:00
parent ae594e0945
commit 7813695db7
1 changed files with 24 additions and 6 deletions
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30
sys/kern/kern_lock.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_lock.c,v 1.98 2006/09/07 01:08:45 ad Exp $ */
/* $NetBSD: kern_lock.c,v 1.99 2006/09/07 02:06:47 ad Exp $ */
/*-
* Copyright (c) 1999, 2000 The NetBSD Foundation, Inc.
@ -76,7 +76,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_lock.c,v 1.98 2006/09/07 01:08:45 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_lock.c,v 1.99 2006/09/07 02:06:47 ad Exp $");
#include "opt_multiprocessor.h"
#include "opt_lockdebug.h"
@ -144,10 +144,6 @@ do { \
#define COUNT_CPU(cpu_id, x)
#endif /* LOCKDEBUG || DIAGNOSTIC */ /* } */
#ifndef SPINLOCK_SPIN_HOOK /* from <machine/lock.h> */
#define SPINLOCK_SPIN_HOOK /* nothing */
#endif
#define INTERLOCK_ACQUIRE(lkp, flags, s) \
do { \
if ((flags) & LK_SPIN) \
@ -1564,4 +1560,26 @@ _kernel_lock_assert_locked()
}
#endif
int
lock_owner_onproc(uintptr_t owner)
{
CPU_INFO_ITERATOR cii;
struct cpu_info *ci;
for (CPU_INFO_FOREACH(cii, ci))
if (owner == (uintptr_t)ci || owner == (uintptr_t)ci->ci_curlwp)
return (1);
return (0);
}
#else /* MULTIPROCESSOR */
int
lock_owner_onproc(uintptr_t owner)
{
return 0;
}
#endif /* MULTIPROCESSOR */