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 */ 16 #ifndef CONFIG_64BIT 17 unsigned int __pad1; 18 #endif 19 __kernel_time_t shm_atime; /* last attach time */ 20 #ifndef CONFIG_64BIT 21 unsigned int __pad2; 22 #endif 23 __kernel_time_t shm_dtime; /* last detach time */ 24 #ifndef CONFIG_64BIT 25 unsigned int __pad3; 26 #endif 27 __kernel_time_t shm_ctime; /* last change time */ 28 #ifndef CONFIG_64BIT 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 39 #ifdef CONFIG_64BIT 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 */ 59