1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2#ifndef _SPARC_MSGBUF_H 3#define _SPARC_MSGBUF_H 4 5/* 6 * The msqid64_ds structure for sparc64 architecture. 7 * Note extra padding because this structure is passed back and forth 8 * between kernel and user space. 9 * 10 * Pad space is left for: 11 * - 64-bit time_t to solve y2038 problem 12 * - 2 miscellaneous 32-bit values 13 */ 14 15#if defined(__sparc__) && defined(__arch64__) 16# define PADDING(x) 17#else 18# define PADDING(x) unsigned int x; 19#endif 20 21 22struct msqid64_ds { 23 struct ipc64_perm msg_perm; 24 PADDING(__pad1) 25 __kernel_time_t msg_stime; /* last msgsnd time */ 26 PADDING(__pad2) 27 __kernel_time_t msg_rtime; /* last msgrcv time */ 28 PADDING(__pad3) 29 __kernel_time_t msg_ctime; /* last change time */ 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#undef PADDING 39#endif /* _SPARC_MSGBUF_H */ 40