shmbuf.h (1723B)
1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ 2#ifndef _ASM_POWERPC_SHMBUF_H 3#define _ASM_POWERPC_SHMBUF_H 4 5#include <asm/ipcbuf.h> 6#include <asm/posix_types.h> 7 8/* 9 * This program is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License 11 * as published by the Free Software Foundation; either version 12 * 2 of the License, or (at your option) any later version. 13 */ 14 15/* 16 * The shmid64_ds structure for PPC architecture. 17 * 18 * Note extra padding because this structure is passed back and forth 19 * between kernel and user space. 20 * 21 * Pad space is left for: 22 * - 2 miscellaneous 32-bit values 23 */ 24 25struct shmid64_ds { 26 struct ipc64_perm shm_perm; /* operation perms */ 27#ifdef __powerpc64__ 28 long shm_atime; /* last attach time */ 29 long shm_dtime; /* last detach time */ 30 long shm_ctime; /* last change time */ 31#else 32 unsigned long shm_atime_high; 33 unsigned long shm_atime; /* last attach time */ 34 unsigned long shm_dtime_high; 35 unsigned long shm_dtime; /* last detach time */ 36 unsigned long shm_ctime_high; 37 unsigned long shm_ctime; /* last change time */ 38 unsigned long __unused4; 39#endif 40 __kernel_size_t shm_segsz; /* size of segment (bytes) */ 41 __kernel_pid_t shm_cpid; /* pid of creator */ 42 __kernel_pid_t shm_lpid; /* pid of last operator */ 43 unsigned long shm_nattch; /* no. of current attaches */ 44 unsigned long __unused5; 45 unsigned long __unused6; 46}; 47 48struct shminfo64 { 49 unsigned long shmmax; 50 unsigned long shmmin; 51 unsigned long shmmni; 52 unsigned long shmseg; 53 unsigned long shmall; 54 unsigned long __unused1; 55 unsigned long __unused2; 56 unsigned long __unused3; 57 unsigned long __unused4; 58}; 59 60#endif /* _ASM_POWERPC_SHMBUF_H */