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1da177e4 LT |
1 | #ifndef _PARISC_SHMBUF_H |
2 | #define _PARISC_SHMBUF_H | |
3 | ||
4 | /* | |
5 | * The shmid64_ds structure for parisc 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 | |
11 | * - 2 miscellaneous 32-bit values | |
12 | */ | |
13 | ||
14 | struct shmid64_ds { | |
15 | struct ipc64_perm shm_perm; /* operation perms */ | |
513e7ecd | 16 | #ifndef CONFIG_64BIT |
1da177e4 LT |
17 | unsigned int __pad1; |
18 | #endif | |
19 | __kernel_time_t shm_atime; /* last attach time */ | |
513e7ecd | 20 | #ifndef CONFIG_64BIT |
1da177e4 LT |
21 | unsigned int __pad2; |
22 | #endif | |
23 | __kernel_time_t shm_dtime; /* last detach time */ | |
513e7ecd | 24 | #ifndef CONFIG_64BIT |
1da177e4 LT |
25 | unsigned int __pad3; |
26 | #endif | |
27 | __kernel_time_t shm_ctime; /* last change time */ | |
513e7ecd | 28 | #ifndef CONFIG_64BIT |
1da177e4 LT |
29 | unsigned int __pad4; |
30 | #endif | |
31 | size_t shm_segsz; /* size of segment (bytes) */ | |
32 | __kernel_pid_t shm_cpid; /* pid of creator */ | |
33 | __kernel_pid_t shm_lpid; /* pid of last operator */ | |
34 | unsigned int shm_nattch; /* no. of current attaches */ | |
35 | unsigned int __unused1; | |
36 | unsigned int __unused2; | |
37 | }; | |
38 | ||
513e7ecd | 39 | #ifdef CONFIG_64BIT |
1da177e4 LT |
40 | /* The 'unsigned int' (formerly 'unsigned long') data types below will |
41 | * ensure that a 32-bit app calling shmctl(*,IPC_INFO,*) will work on | |
42 | * a wide kernel, but if some of these values are meant to contain pointers | |
43 | * they may need to be 'long long' instead. -PB XXX FIXME | |
44 | */ | |
45 | #endif | |
46 | struct shminfo64 { | |
47 | unsigned int shmmax; | |
48 | unsigned int shmmin; | |
49 | unsigned int shmmni; | |
50 | unsigned int shmseg; | |
51 | unsigned int shmall; | |
52 | unsigned int __unused1; | |
53 | unsigned int __unused2; | |
54 | unsigned int __unused3; | |
55 | unsigned int __unused4; | |
56 | }; | |
57 | ||
58 | #endif /* _PARISC_SHMBUF_H */ |