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Chris Zankel9a8fd552005-06-23 22:01:26 -07001/*
2 * include/asm-xtensa/shmbuf.h
3 *
4 * The shmid64_ds structure for Xtensa architecture.
5 * Note extra padding because this structure is passed back and forth
6 * between kernel and user space.
7 *
8 * Pad space is left for:
9 * - 64-bit time_t to solve y2038 problem
10 * - 2 miscellaneous 32-bit values
11 *
12 * This file is subject to the terms and conditions of the GNU General Public
13 * License. See the file "COPYING" in the main directory of this archive
14 * for more details.
15 *
16 * Copyright (C) 2001 - 2005 Tensilica Inc.
17 */
18
19#ifndef _XTENSA_SHMBUF_H
20#define _XTENSA_SHMBUF_H
21
22struct shmid64_ds {
23 struct ipc64_perm shm_perm; /* operation perms */
24 size_t shm_segsz; /* size of segment (bytes) */
25 __kernel_time_t shm_atime; /* last attach time */
26 unsigned long __unused1;
27 __kernel_time_t shm_dtime; /* last detach time */
28 unsigned long __unused2;
29 __kernel_time_t shm_ctime; /* last change time */
30 unsigned long __unused3;
31 __kernel_pid_t shm_cpid; /* pid of creator */
32 __kernel_pid_t shm_lpid; /* pid of last operator */
33 unsigned long shm_nattch; /* no. of current attaches */
34 unsigned long __unused4;
35 unsigned long __unused5;
36};
37
38struct shminfo64 {
39 unsigned long shmmax;
40 unsigned long shmmin;
41 unsigned long shmmni;
42 unsigned long shmseg;
43 unsigned long shmall;
44 unsigned long __unused1;
45 unsigned long __unused2;
46 unsigned long __unused3;
47 unsigned long __unused4;
48};
49
50#endif /* _XTENSA_SHMBUF_H */