/* 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/msg.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

int

__new_msgctl (int msqid, int cmd, struct msqid_ds *buf)

{

#ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS

  return INLINE_SYSCALL_CALL (msgctl, msqid, cmd | __IPC_64, buf);

#else

  return INLINE_SYSCALL_CALL (ipc, IPCOP_msgctl, msqid, cmd | __IPC_64, 0,

			      buf);

#endif

}

versioned_symbol (libc, __new_msgctl, msgctl, DEFAULT_VERSION);

#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2)

struct __old_msqid_ds

{

  struct __old_ipc_perm msg_perm;	/* structure describing operation permission */

  struct msg *__msg_first;		/* pointer to first message on queue */

  struct msg *__msg_last;		/* pointer to last message on queue */

  __time_t msg_stime;			/* time of last msgsnd command */

  __time_t msg_rtime;			/* time of last msgrcv command */

  __time_t msg_ctime;			/* time of last change */

  struct wait_queue *__wwait;		/* ??? */

  struct wait_queue *__rwait;		/* ??? */

  unsigned short int __msg_cbytes;	/* current number of bytes on queue */

  unsigned short int msg_qnum;		/* number of messages currently on queue */

  unsigned short int msg_qbytes;	/* max number of bytes allowed on queue */

  __ipc_pid_t msg_lspid;		/* pid of last msgsnd() */

  __ipc_pid_t msg_lrpid;		/* pid of last msgrcv() */

};

int

attribute_compat_text_section

__old_msgctl (int msqid, int cmd, struct __old_msqid_ds *buf)

{

#ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS

  return INLINE_SYSCALL_CALL (msgctl, msqid, cmd | __IPC_64, buf);

#else

  return INLINE_SYSCALL_CALL (ipc, IPCOP_msgctl, msqid, cmd, 0, buf);

#endif

}

compat_symbol (libc, __old_msgctl, msgctl, GLIBC_2_0);

#endif