1 /* 2 * include/asm-xtensa/sembuf.h 3 * 4 * The semid64_ds structure for Xtensa architecture. 5 * 6 * This file is subject to the terms and conditions of the GNU General Public 7 * License. See the file "COPYING" in the main directory of this archive 8 * for more details. 9 * 10 * Copyright (C) 2001 - 2005 Tensilica Inc. 11 * 12 * Note extra padding because this structure is passed back and forth 13 * between kernel and user space. 14 * 15 * Pad space is left for: 16 * - 64-bit time_t to solve y2038 problem 17 * - 2 miscellaneous 32-bit values 18 * 19 */ 20 21 #ifndef _XTENSA_SEMBUF_H 22 #define _XTENSA_SEMBUF_H 23 24 #include <asm/byteorder.h> 25 26 struct semid64_ds { 27 struct ipc64_perm sem_perm; /* permissions .. see ipc.h */ 28 #ifdef __XTENSA_EL__ 29 __kernel_time_t sem_otime; /* last semop time */ 30 unsigned long __unused1; 31 __kernel_time_t sem_ctime; /* last change time */ 32 unsigned long __unused2; 33 #else 34 unsigned long __unused1; 35 __kernel_time_t sem_otime; /* last semop time */ 36 unsigned long __unused2; 37 __kernel_time_t sem_ctime; /* last change time */ 38 #endif 39 unsigned long sem_nsems; /* no. of semaphores in array */ 40 unsigned long __unused3; 41 unsigned long __unused4; 42 }; 43 44 #endif /* __ASM_XTENSA_SEMBUF_H */ 45