1 #ifndef __ASM_SH_SHMBUF_H 2 #define __ASM_SH_SHMBUF_H 3 4 /* 5 * The shmid64_ds structure for i386 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 size_t shm_segsz; /* size of segment (bytes) */ 17 __kernel_time_t shm_atime; /* last attach time */ 18 unsigned long __unused1; 19 __kernel_time_t shm_dtime; /* last detach time */ 20 unsigned long __unused2; 21 __kernel_time_t shm_ctime; /* last change time */ 22 unsigned long __unused3; 23 __kernel_pid_t shm_cpid; /* pid of creator */ 24 __kernel_pid_t shm_lpid; /* pid of last operator */ 25 unsigned long shm_nattch; /* no. of current attaches */ 26 unsigned long __unused4; 27 unsigned long __unused5; 28 }; 29 30 struct shminfo64 { 31 unsigned long shmmax; 32 unsigned long shmmin; 33 unsigned long shmmni; 34 unsigned long shmseg; 35 unsigned long shmall; 36 unsigned long __unused1; 37 unsigned long __unused2; 38 unsigned long __unused3; 39 unsigned long __unused4; 40 }; 41 42 #endif /* __ASM_SH_SHMBUF_H */ 43