1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2#ifndef _ASM_M32R_SHMBUF_H 3#define _ASM_M32R_SHMBUF_H 4 5/* 6 * The shmid64_ds structure for M32R 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 15struct shmid64_ds { 16 struct ipc64_perm shm_perm; /* operation perms */ 17 size_t shm_segsz; /* size of segment (bytes) */ 18 __kernel_time_t shm_atime; /* last attach time */ 19 unsigned long __unused1; 20 __kernel_time_t shm_dtime; /* last detach time */ 21 unsigned long __unused2; 22 __kernel_time_t shm_ctime; /* last change time */ 23 unsigned long __unused3; 24 __kernel_pid_t shm_cpid; /* pid of creator */ 25 __kernel_pid_t shm_lpid; /* pid of last operator */ 26 unsigned long shm_nattch; /* no. of current attaches */ 27 unsigned long __unused4; 28 unsigned long __unused5; 29}; 30 31struct shminfo64 { 32 unsigned long shmmax; 33 unsigned long shmmin; 34 unsigned long shmmni; 35 unsigned long shmseg; 36 unsigned long shmall; 37 unsigned long __unused1; 38 unsigned long __unused2; 39 unsigned long __unused3; 40 unsigned long __unused4; 41}; 42 43#endif /* _ASM_M32R_SHMBUF_H */ 44