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2022-09-29 17:59:04 +03:00

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C

/*
* Copyright 1988 Silicon Graphics, Inc. All rights reserved.
*
* VAX insque/remque instruction emulator.
*/
#ident "$Revision: 3.5 $"
#include <sys/types.h>
#include <sys/systm.h>
#include <sys/immu.h>
#include <sys/param.h>
#include <sys/mips_addrspace.h>
#include <sys/debug.h>
/*
* generic list struct for use with _insque/_remque
* any structure that is linked via _insque/_remque should have the
* list pointers as the first two elements
*/
struct generic_list {
struct generic_list *link; /* forward link */
struct generic_list *rlink; /* backward link */
};
void
_insque(register struct generic_list *ep, register struct generic_list *pp)
{
ep->link = pp->link;
ep->rlink = pp;
pp->link->rlink = ep;
pp->link = ep;
}
void
_remque(register struct generic_list *ep)
{
ep->rlink->link = ep->link;
ep->link->rlink = ep->rlink;
}