Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 * include/asm-xtensa/msgbuf.h
4 *
5 * The msqid64_ds structure for the Xtensa architecture.
6 * Note extra padding because this structure is passed back and forth
7 * between kernel and user space.
8 *
9 * Pad space is left for:
10 * - 64-bit time_t to solve y2038 problem
11 * - 2 miscellaneous 32-bit values
12 *
13 * This file is subject to the terms and conditions of the GNU General
14 * Public License. See the file "COPYING" in the main directory of
15 * this archive for more details.
16 */
17
18#ifndef _XTENSA_MSGBUF_H
19#define _XTENSA_MSGBUF_H
20
21struct msqid64_ds {
22 struct ipc64_perm msg_perm;
23#ifdef __XTENSA_EB__
24 unsigned int __unused1;
25 __kernel_time_t msg_stime; /* last msgsnd time */
26 unsigned int __unused2;
27 __kernel_time_t msg_rtime; /* last msgrcv time */
28 unsigned int __unused3;
29 __kernel_time_t msg_ctime; /* last change time */
30#elif defined(__XTENSA_EL__)
31 __kernel_time_t msg_stime; /* last msgsnd time */
32 unsigned int __unused1;
33 __kernel_time_t msg_rtime; /* last msgrcv time */
34 unsigned int __unused2;
35 __kernel_time_t msg_ctime; /* last change time */
36 unsigned int __unused3;
37#else
38# error processor byte order undefined!
39#endif
40 unsigned long msg_cbytes; /* current number of bytes on queue */
41 unsigned long msg_qnum; /* number of messages in queue */
42 unsigned long msg_qbytes; /* max number of bytes on queue */
43 __kernel_pid_t msg_lspid; /* pid of last msgsnd */
44 __kernel_pid_t msg_lrpid; /* last receive pid */
45 unsigned long __unused4;
46 unsigned long __unused5;
47};
48
49#endif /* _XTENSA_MSGBUF_H */