1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _SPARC_SHMBUF_H
3 #define _SPARC_SHMBUF_H
6 * The shmid64_ds structure for sparc architecture.
7 * Note extra padding because this structure is passed back and forth
8 * between kernel and user space.
10 * Pad space is left for:
11 * - 64-bit time_t to solve y2038 problem
12 * - 2 miscellaneous 32-bit values
15 #if defined(__sparc__) && defined(__arch64__)
18 # define PADDING(x) unsigned int x;
22 struct ipc64_perm shm_perm; /* operation perms */
24 __kernel_time_t shm_atime; /* last attach time */
26 __kernel_time_t shm_dtime; /* last detach time */
28 __kernel_time_t shm_ctime; /* last change time */
29 size_t shm_segsz; /* size of segment (bytes) */
30 __kernel_pid_t shm_cpid; /* pid of creator */
31 __kernel_pid_t shm_lpid; /* pid of last operator */
32 unsigned long shm_nattch; /* no. of current attaches */
33 unsigned long __unused1;
34 unsigned long __unused2;
43 unsigned long __unused1;
44 unsigned long __unused2;
45 unsigned long __unused3;
46 unsigned long __unused4;
51 #endif /* _SPARC_SHMBUF_H */