Root/target/linux/ubicom32/files/arch/ubicom32/include/asm/msgbuf.h

1/*
2 * arch/ubicom32/include/asm/msgbuf.h
3 * Definition of msqid64_ds struct for Ubicom32 architecture.
4 *
5 * (C) Copyright 2009, Ubicom, Inc.
6 *
7 * This file is part of the Ubicom32 Linux Kernel Port.
8 *
9 * The Ubicom32 Linux Kernel Port is free software: you can redistribute
10 * it and/or modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation, either version 2 of the
12 * License, or (at your option) any later version.
13 *
14 * The Ubicom32 Linux Kernel Port is distributed in the hope that it
15 * will be useful, but WITHOUT ANY WARRANTY; without even the implied
16 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
17 * the GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with the Ubicom32 Linux Kernel Port. If not,
21 * see <http://www.gnu.org/licenses/>.
22 *
23 * Ubicom32 implementation derived from (with many thanks):
24 * arch/m68knommu
25 * arch/blackfin
26 * arch/parisc
27 */
28#ifndef _ASM_UBICOM32_MSGBUF_H
29#define _ASM_UBICOM32_MSGBUF_H
30
31/*
32 * The msqid64_ds structure for ubicom32 architecture.
33 * Note extra padding because this structure is passed back and forth
34 * between kernel and user space.
35 *
36 * Pad space is left for:
37 * - 64-bit time_t to solve y2038 problem
38 * - 2 miscellaneous 32-bit values
39 */
40
41struct msqid64_ds {
42    struct ipc64_perm msg_perm;
43    __kernel_time_t msg_stime; /* last msgsnd time */
44    unsigned long __unused1;
45    __kernel_time_t msg_rtime; /* last msgrcv time */
46    unsigned long __unused2;
47    __kernel_time_t msg_ctime; /* last change time */
48    unsigned long __unused3;
49    unsigned long msg_cbytes; /* current number of bytes on queue */
50    unsigned long msg_qnum; /* number of messages in queue */
51    unsigned long msg_qbytes; /* max number of bytes on queue */
52    __kernel_pid_t msg_lspid; /* pid of last msgsnd */
53    __kernel_pid_t msg_lrpid; /* last receive pid */
54    unsigned long __unused4;
55    unsigned long __unused5;
56};
57
58#endif /* _ASM_UBICOM32_MSGBUF_H */
59

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