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/* Generic implementation of the shared memory struct shmid_ds.
Copyright (C) 2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifndef _SYS_SHM_H
# error "Never include <bits/types/struct_shmid_ds.h> directly; use <sys/shm.h> instead."
#endif
/* Data structure describing a shared memory segment. */
struct shmid_ds
{
struct ipc_perm shm_perm; /* operation permission struct */
size_t shm_segsz; /* size of segment in bytes */
#if __TIMESIZE == 32
__time_t shm_atime; /* time of last shmat() */
unsigned long int __shm_atime_high;
__time_t shm_dtime; /* time of last shmdt() */
unsigned long int __shm_dtime_high;
__time_t shm_ctime; /* time of last change by shmctl() */
unsigned long int __shm_ctime_high;
#else
__time_t shm_atime; /* time of last shmat() */
__time_t shm_dtime; /* time of last shmdt() */
__time_t shm_ctime; /* time of last change by shmctl() */
#endif
__pid_t shm_cpid; /* pid of creator */
__pid_t shm_lpid; /* pid of last shmop */
shmatt_t shm_nattch; /* number of current attaches */
__syscall_ulong_t __glibc_reserved5;
__syscall_ulong_t __glibc_reserved6;
};