shmbuf.h (1481B)
1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2#ifndef _PARISC_SHMBUF_H 3#define _PARISC_SHMBUF_H 4 5#include <asm/bitsperlong.h> 6#include <asm/ipcbuf.h> 7#include <asm/posix_types.h> 8 9/* 10 * The shmid64_ds structure for parisc architecture. 11 * Note extra padding because this structure is passed back and forth 12 * between kernel and user space. 13 * 14 * Pad space is left for: 15 * - 2 miscellaneous 32-bit values 16 */ 17 18struct shmid64_ds { 19 struct ipc64_perm shm_perm; /* operation perms */ 20#if __BITS_PER_LONG == 64 21 long shm_atime; /* last attach time */ 22 long shm_dtime; /* last detach time */ 23 long shm_ctime; /* last change time */ 24#else 25 unsigned long shm_atime_high; 26 unsigned long shm_atime; /* last attach time */ 27 unsigned long shm_dtime_high; 28 unsigned long shm_dtime; /* last detach time */ 29 unsigned long shm_ctime_high; 30 unsigned long shm_ctime; /* last change time */ 31 unsigned int __pad4; 32#endif 33 __kernel_size_t shm_segsz; /* size of segment (bytes) */ 34 __kernel_pid_t shm_cpid; /* pid of creator */ 35 __kernel_pid_t shm_lpid; /* pid of last operator */ 36 unsigned long shm_nattch; /* no. of current attaches */ 37 unsigned long __unused1; 38 unsigned long __unused2; 39}; 40 41struct shminfo64 { 42 unsigned long shmmax; 43 unsigned long shmmin; 44 unsigned long shmmni; 45 unsigned long shmseg; 46 unsigned long shmall; 47 unsigned long __unused1; 48 unsigned long __unused2; 49 unsigned long __unused3; 50 unsigned long __unused4; 51}; 52 53#endif /* _PARISC_SHMBUF_H */