1#ifndef _S390_MSGBUF_H 2#define _S390_MSGBUF_H 3 4/* 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. 8 * 9 * Pad space is left for: 10 * - 64-bit time_t to solve y2038 problem 11 * - 2 miscellaneous 32-bit values 12 */ 13 14struct msqid64_ds { 15 struct ipc64_perm msg_perm; 16 __kernel_time_t msg_stime; /* last msgsnd time */ 17#ifndef __s390x__ 18 unsigned long __unused1; 19#endif /* ! __s390x__ */ 20 __kernel_time_t msg_rtime; /* last msgrcv time */ 21#ifndef __s390x__ 22 unsigned long __unused2; 23#endif /* ! __s390x__ */ 24 __kernel_time_t msg_ctime; /* last change time */ 25#ifndef __s390x__ 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; 35}; 36 37#endif /* _S390_MSGBUF_H */ 38