/* * Copyright (c) 1987 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms are permitted * provided that the above copyright notice and this paragraph are * duplicated in all such forms and that any documentation, * advertising materials, and other materials related to such * distribution and use acknowledge that the software was developed * by the University of California, Berkeley. The name of the * University may not be used to endorse or promote products derived * from this software without specific prior written permission. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ #if defined(LIBC_SCCS) && !defined(lint) static char sccsid[] = "@(#)remque.c 5.2 (Berkeley) 07/21/88"; #endif /* LIBC_SCCS and not lint */ /* * remque -- vax remque instruction * * NOTE: this implementation is non-atomic!! */ struct vaxque { /* queue format expected by VAX queue instructions */ struct vaxque *vq_next; struct vaxque *vq_prev; }; remque(e) register struct vaxque *e; { e->vq_prev->vq_next = e->vq_next; e->vq_next->vq_prev = e->vq_prev; }