Commit | Line | Data |
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b453ffd9 KM |
1 | /* |
2 | * Copyright (c) 1987 Regents of the University of California. | |
3 | * All rights reserved. The Berkeley software License Agreement | |
4 | * specifies the terms and conditions for redistribution. | |
5 | */ | |
6 | ||
7 | #if defined(LIBC_SCCS) && !defined(lint) | |
8 | static char sccsid[] = "@(#)remque.c 5.1 (Berkeley) %G%"; | |
9 | #endif LIBC_SCCS and not lint | |
10 | ||
11 | /* | |
12 | * remque -- vax remque instruction | |
13 | * | |
14 | * NOTE: this implementation is non-atomic!! | |
15 | */ | |
16 | ||
17 | struct vaxque { /* queue format expected by VAX queue instructions */ | |
18 | struct vaxque *vq_next; | |
19 | struct vaxque *vq_prev; | |
20 | }; | |
21 | ||
22 | remque(e) | |
23 | register struct vaxque *e; | |
24 | { | |
25 | e->vq_prev->vq_next = e->vq_next; | |
26 | e->vq_next->vq_prev = e->vq_prev; | |
27 | } |