arch/xtensa/include/asm/sembuf.h

   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 */