1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
 2#ifndef _SPARC_MSGBUF_H
 3#define _SPARC_MSGBUF_H
 4
 5/*
 6 * The msqid64_ds structure for sparc64 architecture.
 7 * Note extra padding because this structure is passed back and forth
 8 * between kernel and user space.
 9 *
10 * Pad space is left for:
11 * - 64-bit time_t to solve y2038 problem
12 * - 2 miscellaneous 32-bit values
13 */
14
15#if defined(__sparc__) && defined(__arch64__)
16# define PADDING(x)
17#else
18# define PADDING(x) unsigned int x;
19#endif
20
21
22struct msqid64_ds {
23	struct ipc64_perm msg_perm;
24	PADDING(__pad1)
25	__kernel_time_t msg_stime;	/* last msgsnd time */
26	PADDING(__pad2)
27	__kernel_time_t msg_rtime;	/* last msgrcv time */
28	PADDING(__pad3)
29	__kernel_time_t msg_ctime;	/* last change time */
30	unsigned long  msg_cbytes;	/* current number of bytes on queue */
31	unsigned long  msg_qnum;	/* number of messages in queue */
32	unsigned long  msg_qbytes;	/* max number of bytes on queue */
33	__kernel_pid_t msg_lspid;	/* pid of last msgsnd */
34	__kernel_pid_t msg_lrpid;	/* last receive pid */
35	unsigned long  __unused1;
36	unsigned long  __unused2;
37};
38#undef PADDING
39#endif /* _SPARC_MSGBUF_H */