1 #ifndef _ASM_X86_IPCBUF_H 2 #define _ASM_X86_IPCBUF_H 3 4 /* 5 * The ipc64_perm structure for x86 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 * - 32-bit mode_t and seq 11 * - 2 miscellaneous 32-bit values 12 */ 13 14 struct ipc64_perm { 15 __kernel_key_t key; 16 __kernel_uid32_t uid; 17 __kernel_gid32_t gid; 18 __kernel_uid32_t cuid; 19 __kernel_gid32_t cgid; 20 __kernel_mode_t mode; 21 unsigned short __pad1; 22 unsigned short seq; 23 unsigned short __pad2; 24 unsigned long __unused1; 25 unsigned long __unused2; 26 }; 27 28 #endif /* _ASM_X86_IPCBUF_H */ 29