1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _SPARC_SHMBUF_H
3 #define _SPARC_SHMBUF_H
4
5 /*
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.
9 *
10 * Pad space is left for:
11 * - 2 miscellaneous 32-bit values
12 */
13
14 struct shmid64_ds {
15 struct ipc64_perm shm_perm; /* operation perms */
16 #if defined(__sparc__) && defined(__arch64__)
17 __kernel_time_t shm_atime; /* last attach time */
18 __kernel_time_t shm_dtime; /* last detach time */
19 __kernel_time_t shm_ctime; /* last change time */
20 #else
21 unsigned long shm_atime_high;
22 unsigned long shm_atime; /* last attach time */
23 unsigned long shm_dtime_high;
24 unsigned long shm_dtime; /* last detach time */
25 unsigned long shm_ctime_high;
26 unsigned long shm_ctime; /* last change time */
27 #endif
28 size_t shm_segsz; /* size of segment (bytes) */
29 __kernel_pid_t shm_cpid; /* pid of creator */
30 __kernel_pid_t shm_lpid; /* pid of last operator */
31 unsigned long shm_nattch; /* no. of current attaches */
32 unsigned long __unused1;
33 unsigned long __unused2;
34 };
35
36 struct shminfo64 {
37 unsigned long shmmax;
38 unsigned long shmmin;
39 unsigned long shmmni;
40 unsigned long shmseg;
41 unsigned long shmall;
42 unsigned long __unused1;
43 unsigned long __unused2;
44 unsigned long __unused3;
45 unsigned long __unused4;
46 };
47
48 #endif /* _SPARC_SHMBUF_H */