1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _PARISC_SHMBUF_H
3 #define _PARISC_SHMBUF_H
5 #include <asm/bitsperlong.h>
8 * The shmid64_ds structure for parisc architecture.
9 * Note extra padding because this structure is passed back and forth
10 * between kernel and user space.
12 * Pad space is left for:
13 * - 64-bit time_t to solve y2038 problem
14 * - 2 miscellaneous 32-bit values
18 struct ipc64_perm shm_perm; /* operation perms */
19 #if __BITS_PER_LONG != 64
22 __kernel_time_t shm_atime; /* last attach time */
23 #if __BITS_PER_LONG != 64
26 __kernel_time_t shm_dtime; /* last detach time */
27 #if __BITS_PER_LONG != 64
30 __kernel_time_t shm_ctime; /* last change time */
31 #if __BITS_PER_LONG != 64
34 __kernel_size_t shm_segsz; /* size of segment (bytes) */
35 __kernel_pid_t shm_cpid; /* pid of creator */
36 __kernel_pid_t shm_lpid; /* pid of last operator */
37 unsigned long shm_nattch; /* no. of current attaches */
38 unsigned long __unused1;
39 unsigned long __unused2;
48 unsigned long __unused1;
49 unsigned long __unused2;
50 unsigned long __unused3;
51 unsigned long __unused4;
54 #endif /* _PARISC_SHMBUF_H */