/* Copyright (C) 1995-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.

   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

   <http://www.gnu.org/licenses/>.  */

#include <sys/shm.h>

#include <stdarg.h>

#include <ipc_priv.h>

#include <sysdep.h>

#include <shlib-compat.h>

#include <errno.h>

#ifndef DEFAULT_VERSION

# define DEFAULT_VERSION GLIBC_2_2

#endif

/* Provide operations to control over shared memory segments.  */

int

__new_shmctl (int shmid, int cmd, struct shmid_ds *buf)

{

#ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS

  return INLINE_SYSCALL_CALL (shmctl, shmid, cmd | __IPC_64, buf);

#else

  return INLINE_SYSCALL_CALL (ipc, IPCOP_shmctl, shmid, cmd | __IPC_64, 0,

			      buf);

#endif

}

versioned_symbol (libc, __new_shmctl, shmctl, DEFAULT_VERSION);

#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2)

struct __old_shmid_ds

{

  struct __old_ipc_perm shm_perm;	/* operation permission struct */

  int shm_segsz;			/* size of segment in bytes */

  __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() */

  __ipc_pid_t shm_cpid;			/* pid of creator */

  __ipc_pid_t shm_lpid;			/* pid of last shmop */

  unsigned short int shm_nattch;	/* number of current attaches */

  unsigned short int __shm_npages;	/* size of segment (pages) */

  unsigned long int *__shm_pages;	/* array of ptrs to frames -> SHMMAX */

  struct vm_area_struct *__attaches;	/* descriptors for attaches */

};

int

attribute_compat_text_section

__old_shmctl (int shmid, int cmd, struct __old_shmid_ds *buf)

{

#ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS

  return INLINE_SYSCALL_CALL (shmctl, shmid, cmd, buf);

#else

  return INLINE_SYSCALL_CALL (ipc, IPCOP_shmctl, shmid, cmd, 0, buf);

#endif

}

compat_symbol (libc, __old_shmctl, shmctl, GLIBC_2_0);

#endif