arch/xtensa/include/uapi/asm/sembuf.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 /*
   3  * include/asm-xtensa/sembuf.h
   4  *
   5  * The semid64_ds structure for Xtensa architecture.
   6  *
   7  * This file is subject to the terms and conditions of the GNU General Public
   8  * License.  See the file "COPYING" in the main directory of this archive
   9  * for more details.
  10  *
  11  * Copyright (C) 2001 - 2005 Tensilica Inc.
  12  *
  13  * Note extra padding because this structure is passed back and forth
  14  * between kernel and user space.
  15  *
  16  * Pad space is left for:
  17  * - 64-bit time_t to solve y2038 problem
  18  * - 2 miscellaneous 32-bit values
  19  *
  20  */
  21
  22 #ifndef _XTENSA_SEMBUF_H
  23 #define _XTENSA_SEMBUF_H
  24
  25 #include <asm/byteorder.h>
  26
  27 struct semid64_ds {
  28         struct ipc64_perm sem_perm;             /* permissions .. see ipc.h */
  29 #ifdef __XTENSA_EL__
  30         __kernel_time_t sem_otime;              /* last semop time */
  31         unsigned long   __unused1;
  32         __kernel_time_t sem_ctime;              /* last change time */
  33         unsigned long   __unused2;
  34 #else
  35         unsigned long   __unused1;
  36         __kernel_time_t sem_otime;              /* last semop time */
  37         unsigned long   __unused2;
  38         __kernel_time_t sem_ctime;              /* last change time */
  39 #endif
  40         unsigned long   sem_nsems;              /* no. of semaphores in array */
  41         unsigned long   __unused3;
  42         unsigned long   __unused4;
  43 };
  44
  45 #endif /* __ASM_XTENSA_SEMBUF_H */