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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#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
14struct shmid64_ds {
15 struct ipc64_perm shm_perm; /* operation perms */
Helge Deller513e7ec2007-01-28 15:09:20 +010016#ifndef CONFIG_64BIT
Linus Torvalds1da177e2005-04-16 15:20:36 -070017 unsigned int __pad1;
18#endif
19 __kernel_time_t shm_atime; /* last attach time */
Helge Deller513e7ec2007-01-28 15:09:20 +010020#ifndef CONFIG_64BIT
Linus Torvalds1da177e2005-04-16 15:20:36 -070021 unsigned int __pad2;
22#endif
23 __kernel_time_t shm_dtime; /* last detach time */
Helge Deller513e7ec2007-01-28 15:09:20 +010024#ifndef CONFIG_64BIT
Linus Torvalds1da177e2005-04-16 15:20:36 -070025 unsigned int __pad3;
26#endif
27 __kernel_time_t shm_ctime; /* last change time */
Helge Deller513e7ec2007-01-28 15:09:20 +010028#ifndef CONFIG_64BIT
Linus Torvalds1da177e2005-04-16 15:20:36 -070029 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
Helge Deller513e7ec2007-01-28 15:09:20 +010039#ifdef CONFIG_64BIT
Linus Torvalds1da177e2005-04-16 15:20:36 -070040/* 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
46struct 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 */