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Add lock count fields to proc structure. Always define NCPU to 1 for now

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in lock.h
This commit is contained in:
fvdl 1997-07-06 12:32:38 +00:00
parent 48ad000318
commit eb5b4ac910
2 changed files with 17 additions and 1 deletions
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13
sys/sys/lock.h
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@ -1,3 +1,5 @@
/* $NetBSD: lock.h,v 1.2 1997/07/06 12:32:38 fvdl Exp $ */
/*
* Copyright (c) 1995
* The Regents of the University of California. All rights reserved.
@ -40,6 +42,16 @@
#ifndef _LOCK_H_
#define _LOCK_H_
#define NCPUS 1 /* XXX */
/*
* Placeholder for simple lock structure until spinlocks are
* really used an machine-dependently defined.
*/
struct simplelock {
int lock_data;
};
/*
* The general lock structure. Provides for multiple shared locks,
* upgrading from shared to exclusive, and sleeping until the lock
@ -159,6 +171,7 @@ void lockinit __P((struct lock *, int prio, char *wmesg, int timo,
int lockmgr __P((__volatile struct lock *, u_int flags,
struct simplelock *, struct proc *p));
int lockstatus __P((struct lock *));
void lockmgr_printinfo __P((struct lock *));
#ifdef DEBUG
void _simple_unlock __P((__volatile struct simplelock *alp, const char *, int));

5
sys/sys/proc.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: proc.h,v 1.49 1997/04/28 04:49:35 mycroft Exp $ */
/* $NetBSD: proc.h,v 1.50 1997/07/06 12:32:39 fvdl Exp $ */
/*-
* Copyright (c) 1986, 1989, 1991, 1993
@ -161,6 +161,9 @@ struct proc {
struct vnode *p_textvp; /* Vnode of executable. */
short p_locks; /* DEBUG: lockmgr count of held locks */
short p_simple_locks; /* DEBUG: count of held simple locks */
int p_holdcnt; /* If non-zero, don't swap. */
struct emul *p_emul; /* Emulation information */