5 * The msqid64_ds structure for S/390 architecture.
6 * Note extra padding because this structure is passed back and forth
7 * between kernel and user space.
9 * Pad space is left for:
10 * - 64-bit time_t to solve y2038 problem
11 * - 2 miscellaneous 32-bit values
15 struct ipc64_perm msg_perm;
16 __kernel_time_t msg_stime; /* last msgsnd time */
18 unsigned long __unused1;
19 #endif /* ! __s390x__ */
20 __kernel_time_t msg_rtime; /* last msgrcv time */
22 unsigned long __unused2;
23 #endif /* ! __s390x__ */
24 __kernel_time_t msg_ctime; /* last change time */
26 unsigned long __unused3;
27 #endif /* ! __s390x__ */
28 unsigned long msg_cbytes; /* current number of bytes on queue */
29 unsigned long msg_qnum; /* number of messages in queue */
30 unsigned long msg_qbytes; /* max number of bytes on queue */
31 __kernel_pid_t msg_lspid; /* pid of last msgsnd */
32 __kernel_pid_t msg_lrpid; /* last receive pid */
33 unsigned long __unused4;
34 unsigned long __unused5;
37 #endif /* _S390_MSGBUF_H */