1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
6 * The shmid64_ds structure for S/390 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 (for !__s390x__)
12 * - 2 miscellaneous 32-bit values
16 struct ipc64_perm shm_perm; /* operation perms */
17 size_t shm_segsz; /* size of segment (bytes) */
18 __kernel_time_t shm_atime; /* last attach time */
20 unsigned long __unused1;
21 #endif /* ! __s390x__ */
22 __kernel_time_t shm_dtime; /* last detach time */
24 unsigned long __unused2;
25 #endif /* ! __s390x__ */
26 __kernel_time_t shm_ctime; /* last change time */
28 unsigned long __unused3;
29 #endif /* ! __s390x__ */
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 __unused4;
34 unsigned long __unused5;
43 unsigned long __unused1;
44 unsigned long __unused2;
45 unsigned long __unused3;
46 unsigned long __unused4;
49 #endif /* _S390_SHMBUF_H */