msgbuf.h

 1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
 2#ifndef _PARISC_MSGBUF_H
 3#define _PARISC_MSGBUF_H
 4
 5#include <asm/bitsperlong.h>
 6#include <asm/ipcbuf.h>
 7
 8/* 
 9 * The msqid64_ds structure for parisc architecture, copied from sparc.
10 * Note extra padding because this structure is passed back and forth
11 * between kernel and user space.
12 *
13 * Pad space is left for:
14 * - 2 miscellaneous 32-bit values
15 */
16
17struct msqid64_ds {
18	struct ipc64_perm msg_perm;
19#if __BITS_PER_LONG == 64
20	long		 msg_stime;	/* last msgsnd time */
21	long		 msg_rtime;	/* last msgrcv time */
22	long		 msg_ctime;	/* last change time */
23#else
24	unsigned long	msg_stime_high;
25	unsigned long	msg_stime;	/* last msgsnd time */
26	unsigned long	msg_rtime_high;
27	unsigned long	msg_rtime;	/* last msgrcv time */
28	unsigned long	msg_ctime_high;
29	unsigned long	msg_ctime;	/* last change time */
30#endif
31	unsigned long	msg_cbytes;	/* current number of bytes on queue */
32	unsigned long	msg_qnum;	/* number of messages in queue */
33	unsigned long	msg_qbytes;	/* max number of bytes on queue */
34	__kernel_pid_t	msg_lspid;	/* pid of last msgsnd */
35	__kernel_pid_t	msg_lrpid;	/* last receive pid */
36	unsigned long	__unused1;
37	unsigned long	__unused2;
38};
39
40#endif /* _PARISC_MSGBUF_H */