xref: /linux/arch/parisc/include/uapi/asm/msgbuf.h (revision 0be3ff0c)
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 
17 struct 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 */
41