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- Add external declarations for globals used by the setroot() code.

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- Prototype the mountroothook functions here.
This commit is contained in:
thorpej 1997-01-31 03:04:31 +00:00
parent 5d55d65b47
commit 12f087b37a
1 changed files with 16 additions and 1 deletions
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17
sys/sys/systm.h
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@ -1,4 +1,4 @@
/* $NetBSD: systm.h,v 1.63 1997/01/09 16:57:14 thorpej Exp $ */
/* $NetBSD: systm.h,v 1.64 1997/01/31 03:04:31 thorpej Exp $ */
/*-
* Copyright (c) 1982, 1988, 1991, 1993
@ -71,9 +71,11 @@
#ifndef _SYS_SYSTM_H_
#define _SYS_SYSTM_H_
struct device;
struct proc;
struct uio;
struct tty;
struct vnode;
extern int securelevel; /* system security level */
extern const char *panicstr; /* panic message */
@ -101,6 +103,8 @@ extern int dumpsize; /* size of dump in pages */
extern dev_t rootdev; /* root device */
extern struct vnode *rootvp; /* vnode equivalent to above */
extern struct device *root_device; /* device equivalent to above */
extern const char *rootspec; /* how root device was specified */
extern dev_t swapdev; /* swapping device */
extern struct vnode *swapdev_vp;/* vnode equivalent to above */
@ -238,6 +242,17 @@ void *shutdownhook_establish __P((void (*)(void *), void *));
void shutdownhook_disestablish __P((void *));
void doshutdownhooks __P((void));
/*
* Mountroot hooks. Device drivers establish these to be executed
* just before (*mountroot)() if the passed device is selected
* as the root device.
*/
void *mountroothook_establish __P((void (*)(struct device *),
struct device *));
void mountroothook_disestablish __P((void *));
void mountroothook_destroy __P((void));
void domountroothook __P((void));
int uiomove __P((void *, int, struct uio *));
int setjmp __P((label_t *));