1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef _SPARC_SHMBUF_H 3 #define _SPARC_SHMBUF_H 4 5 #include <asm/ipcbuf.h> 6 #include <asm/posix_types.h> 7 8 /* 9 * The shmid64_ds structure for sparc architecture. 10 * Note extra padding because this structure is passed back and forth 11 * between kernel and user space. 12 * 13 * Pad space is left for: 14 * - 2 miscellaneous 32-bit values 15 */ 16 17 struct shmid64_ds { 18 struct ipc64_perm shm_perm; /* operation perms */ 19 #if defined(__sparc__) && defined(__arch64__) 20 long shm_atime; /* last attach time */ 21 long shm_dtime; /* last detach time */ 22 long shm_ctime; /* last change time */ 23 #else 24 unsigned long shm_atime_high; 25 unsigned long shm_atime; /* last attach time */ 26 unsigned long shm_dtime_high; 27 unsigned long shm_dtime; /* last detach time */ 28 unsigned long shm_ctime_high; 29 unsigned long shm_ctime; /* last change time */ 30 #endif 31 __kernel_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 long shm_nattch; /* no. of current attaches */ 35 unsigned long __unused1; 36 unsigned long __unused2; 37 }; 38 39 struct shminfo64 { 40 unsigned long shmmax; 41 unsigned long shmmin; 42 unsigned long shmmni; 43 unsigned long shmseg; 44 unsigned long shmall; 45 unsigned long __unused1; 46 unsigned long __unused2; 47 unsigned long __unused3; 48 unsigned long __unused4; 49 }; 50 51 #endif /* _SPARC_SHMBUF_H */ 52