xref: /linux/arch/parisc/include/uapi/asm/msgbuf.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 #ifndef _PARISC_MSGBUF_H
2 #define _PARISC_MSGBUF_H
3 
4 #include <asm/bitsperlong.h>
5 
6 /*
7  * The msqid64_ds structure for parisc architecture, copied from sparc.
8  * Note extra padding because this structure is passed back and forth
9  * between kernel and user space.
10  *
11  * Pad space is left for:
12  * - 64-bit time_t to solve y2038 problem
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 	unsigned int   __pad1;
20 #endif
21 	__kernel_time_t msg_stime;	/* last msgsnd time */
22 #if __BITS_PER_LONG != 64
23 	unsigned int   __pad2;
24 #endif
25 	__kernel_time_t msg_rtime;	/* last msgrcv time */
26 #if __BITS_PER_LONG != 64
27 	unsigned int   __pad3;
28 #endif
29 	__kernel_time_t msg_ctime;	/* last change time */
30 	unsigned int  msg_cbytes;	/* current number of bytes on queue */
31 	unsigned int  msg_qnum;	/* number of messages in queue */
32 	unsigned int  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 int  __unused1;
36 	unsigned int  __unused2;
37 };
38 
39 #endif /* _PARISC_MSGBUF_H */
40