1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2#ifndef _S390_SEMBUF_H 3#define _S390_SEMBUF_H 4 5/* 6 * The semid64_ds structure for S/390 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 (for !__s390x__) 12 * - 2 miscellaneous 32-bit values 13 */ 14 15struct semid64_ds { 16 struct ipc64_perm sem_perm; /* permissions .. see ipc.h */ 17 __kernel_time_t sem_otime; /* last semop time */ 18#ifndef __s390x__ 19 unsigned long __unused1; 20#endif /* ! __s390x__ */ 21 __kernel_time_t sem_ctime; /* last change time */ 22#ifndef __s390x__ 23 unsigned long __unused2; 24#endif /* ! __s390x__ */ 25 unsigned long sem_nsems; /* no. of semaphores in array */ 26 unsigned long __unused3; 27 unsigned long __unused4; 28}; 29 30#endif /* _S390_SEMBUF_H */ 31