1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef _ASM_SHMBUF_H 3 #define _ASM_SHMBUF_H 4 5 /* 6 * The shmid64_ds structure for the MIPS architecture. 7 * Note extra padding because this structure is passed back and forth 8 * between kernel and user space. 9 * 10 * Pad space is left for: 11 * - 2 miscellaneous 32-bit rsp. 64-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 __kernel_time_t shm_dtime; /* last detach time */ 19 __kernel_time_t shm_ctime; /* last change time */ 20 __kernel_pid_t shm_cpid; /* pid of creator */ 21 __kernel_pid_t shm_lpid; /* pid of last operator */ 22 unsigned long shm_nattch; /* no. of current attaches */ 23 unsigned long __unused1; 24 unsigned long __unused2; 25 }; 26 27 struct shminfo64 { 28 unsigned long shmmax; 29 unsigned long shmmin; 30 unsigned long shmmni; 31 unsigned long shmseg; 32 unsigned long shmall; 33 unsigned long __unused1; 34 unsigned long __unused2; 35 unsigned long __unused3; 36 unsigned long __unused4; 37 }; 38 39 #endif /* _ASM_SHMBUF_H */ 40
