sysdeps/unix/sysv/linux/x86/bits/types/struct_semid_ds.h

   1 /* x86 implementation of the semaphore struct semid_ds.
   2    Copyright (C) 1995-2021 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _SYS_SEM_H
  20 # error "Never include <bits/types/struct_semid_ds.h> directly; use <sys/sem.h> instead."
  21 #endif
  22
  23 /* Data structure describing a set of semaphores.  */
  24 struct semid_ds
  25 {
  26 #ifdef __USE_TIME_BITS64
  27 # include <bits/types/struct_semid64_ds_helper.h>
  28 #else
  29   struct ipc_perm sem_perm;   /* operation permission struct */
  30   __time_t sem_otime;  /* last semop() time */
  31   __syscall_ulong_t __sem_otime_high;
  32   __time_t sem_ctime;  /* last time changed by semctl() */
  33   __syscall_ulong_t __sem_ctime_high;
  34   __syscall_ulong_t sem_nsems;    /* number of semaphores in set */
  35   __syscall_ulong_t __glibc_reserved3;
  36   __syscall_ulong_t __glibc_reserved4;
  37 #endif
  38 };