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6f52b16c | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
1da177e4 LT |
2 | #ifndef _S390_SHMBUF_H |
3 | #define _S390_SHMBUF_H | |
4 | ||
5 | /* | |
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. | |
9 | * | |
10 | * Pad space is left for: | |
11 | * - 64-bit time_t to solve y2038 problem (for !__s390x__) | |
12 | * - 2 miscellaneous 32-bit values | |
13 | */ | |
14 | ||
15 | struct shmid64_ds { | |
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 */ | |
19 | #ifndef __s390x__ | |
20 | unsigned long __unused1; | |
21 | #endif /* ! __s390x__ */ | |
22 | __kernel_time_t shm_dtime; /* last detach time */ | |
23 | #ifndef __s390x__ | |
24 | unsigned long __unused2; | |
25 | #endif /* ! __s390x__ */ | |
26 | __kernel_time_t shm_ctime; /* last change time */ | |
27 | #ifndef __s390x__ | |
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; | |
35 | }; | |
36 | ||
37 | struct shminfo64 { | |
38 | unsigned long shmmax; | |
39 | unsigned long shmmin; | |
40 | unsigned long shmmni; | |
41 | unsigned long shmseg; | |
42 | unsigned long shmall; | |
43 | unsigned long __unused1; | |
44 | unsigned long __unused2; | |
45 | unsigned long __unused3; | |
46 | unsigned long __unused4; | |
47 | }; | |
48 | ||
49 | #endif /* _S390_SHMBUF_H */ |