xref: /linux/arch/parisc/include/uapi/asm/msgbuf.h (revision 307797159ac25fe5a2048bf5c6a5718298edca57)
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 
7 /*
8  * The msqid64_ds structure for parisc architecture, copied from sparc.
9  * Note extra padding because this structure is passed back and forth
10  * between kernel and user space.
11  *
12  * Pad space is left for:
13  * - 2 miscellaneous 32-bit values
14  */
15 
16 struct msqid64_ds {
17 	struct ipc64_perm msg_perm;
18 #if __BITS_PER_LONG == 64
19 	__kernel_time_t msg_stime;	/* last msgsnd time */
20 	__kernel_time_t msg_rtime;	/* last msgrcv time */
21 	__kernel_time_t msg_ctime;	/* last change time */
22 #else
23 	unsigned long	msg_stime_high;
24 	unsigned long	msg_stime;	/* last msgsnd time */
25 	unsigned long	msg_rtime_high;
26 	unsigned long	msg_rtime;	/* last msgrcv time */
27 	unsigned long	msg_ctime_high;
28 	unsigned long	msg_ctime;	/* last change time */
29 #endif
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 
39 #endif /* _PARISC_MSGBUF_H */
40