1 #ifndef _SPARC_SHMBUF_H 2 #define _SPARC_SHMBUF_H 3 4 /* 5 * The shmid64_ds structure for sparc 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 #if defined(__sparc__) && defined(__arch64__) 15 # define PADDING(x) 16 #else 17 # define PADDING(x) unsigned int x; 18 #endif 19 20 struct shmid64_ds { 21 struct ipc64_perm shm_perm; /* operation perms */ 22 PADDING(__pad1) 23 __kernel_time_t shm_atime; /* last attach time */ 24 PADDING(__pad2) 25 __kernel_time_t shm_dtime; /* last detach time */ 26 PADDING(__pad3) 27 __kernel_time_t shm_ctime; /* last change time */ 28 size_t shm_segsz; /* size of segment (bytes) */ 29 __kernel_pid_t shm_cpid; /* pid of creator */ 30 __kernel_pid_t shm_lpid; /* pid of last operator */ 31 unsigned long shm_nattch; /* no. of current attaches */ 32 unsigned long __unused1; 33 unsigned long __unused2; 34 }; 35 36 struct shminfo64 { 37 unsigned long shmmax; 38 unsigned long shmmin; 39 unsigned long shmmni; 40 unsigned long shmseg; 41 unsigned long shmall; 42 unsigned long __unused1; 43 unsigned long __unused2; 44 unsigned long __unused3; 45 unsigned long __unused4; 46 }; 47 48 #undef PADDING 49 50 #endif /* _SPARC_SHMBUF_H */ 51