1 #ifndef _PARISC_SHMBUF_H
2 #define _PARISC_SHMBUF_H
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.
9 * Pad space is left for:
10 * - 64-bit time_t to solve y2038 problem
11 * - 2 miscellaneous 32-bit values
15 struct ipc64_perm shm_perm; /* operation perms */
19 __kernel_time_t shm_atime; /* last attach time */
23 __kernel_time_t shm_dtime; /* last detach time */
27 __kernel_time_t shm_ctime; /* last change time */
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;
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
52 unsigned int __unused1;
53 unsigned int __unused2;
54 unsigned int __unused3;
55 unsigned int __unused4;
58 #endif /* _PARISC_SHMBUF_H */