1#ifndef _S390_SHMBUF_H 2#define _S390_SHMBUF_H 3 4/* 5 * The shmid64_ds structure for S/390 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 (for !__s390x__) 11 * - 2 miscellaneous 32-bit values 12 */ 13 14struct 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#ifndef __s390x__ 19 unsigned long __unused1; 20#endif /* ! __s390x__ */ 21 __kernel_time_t shm_dtime; /* last detach time */ 22#ifndef __s390x__ 23 unsigned long __unused2; 24#endif /* ! __s390x__ */ 25 __kernel_time_t shm_ctime; /* last change time */ 26#ifndef __s390x__ 27 unsigned long __unused3; 28#endif /* ! __s390x__ */ 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 __unused4; 33 unsigned long __unused5; 34}; 35 36struct 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#endif /* _S390_SHMBUF_H */ 49