1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2#ifndef _ASM_X86_SEMBUF_H 3#define _ASM_X86_SEMBUF_H 4 5/* 6 * The semid64_ds structure for x86 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 * - 2 miscellaneous 32-bit values 12 * 13 * x86_64 and x32 incorrectly added padding here, so the structures 14 * are still incompatible with the padding on x86. 15 */ 16struct semid64_ds { 17 struct ipc64_perm sem_perm; /* permissions .. see ipc.h */ 18#ifdef __i386__ 19 unsigned long sem_otime; /* last semop time */ 20 unsigned long sem_otime_high; 21 unsigned long sem_ctime; /* last change time */ 22 unsigned long sem_ctime_high; 23#else 24 __kernel_time_t sem_otime; /* last semop time */ 25 __kernel_ulong_t __unused1; 26 __kernel_time_t sem_ctime; /* last change time */ 27 __kernel_ulong_t __unused2; 28#endif 29 __kernel_ulong_t sem_nsems; /* no. of semaphores in array */ 30 __kernel_ulong_t __unused3; 31 __kernel_ulong_t __unused4; 32}; 33 34#endif /* _ASM_X86_SEMBUF_H */ 35