2 * arch/ubicom32/include/asm/msgbuf.h
3 * Definition of msqid64_ds struct for Ubicom32 architecture.
5 * (C) Copyright 2009, Ubicom, Inc.
7 * This file is part of the Ubicom32 Linux Kernel Port.
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.
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.
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/>.
23 * Ubicom32 implementation derived from (with many thanks):
28 #ifndef _ASM_UBICOM32_MSGBUF_H
29 #define _ASM_UBICOM32_MSGBUF_H
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.
36 * Pad space is left for:
37 * - 64-bit time_t to solve y2038 problem
38 * - 2 miscellaneous 32-bit values
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;
58 #endif /* _ASM_UBICOM32_MSGBUF_H */