1 #ifndef _S390_SHMBUF_H
2 #define _S390_SHMBUF_H
3
4 /*
5 * The shmid64_ds structure for S/390 architecture.
6 * Note extra padding because this structure is passed back and forth
7 * between kernel and user space.
8 *
9 * Pad space is left for:
10 * - 64-bit time_t to solve y2038 problem (for !__s390x__)
11 * - 2 miscellaneous 32-bit values
12 */
13
14 struct shmid64_ds {
15 struct ipc64_perm shm_perm; /* operation perms */
16 size_t shm_segsz; /* size of segment (bytes) */
17 __kernel_time_t shm_atime; /* last attach time */
18 #ifndef __s390x__
19 unsigned long __unused1;
20 #endif /* ! __s390x__ */
21 __kernel_time_t shm_dtime; /* last detach time */
22 #ifndef __s390x__
23 unsigned long __unused2;
24 #endif /* ! __s390x__ */
25 __kernel_time_t shm_ctime; /* last change time */
26 #ifndef __s390x__
27 unsigned long __unused3;
28 #endif /* ! __s390x__ */
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 __unused4;
33 unsigned long __unused5;
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 /* _S390_SHMBUF_H */
49
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