/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * Copyright (c) 2000 Marcel Moolenaar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD: stable/11/sys/compat/linux/linux_ipc.h 346839 2019-04-28 14:19:31Z dchagin $
 */

#ifndef _LINUX_IPC_H_
#define _LINUX_IPC_H_

/*
 * SystemV IPC defines
 */
#define	LINUX_SEMOP		1
#define	LINUX_SEMGET		2
#define	LINUX_SEMCTL		3
#define	LINUX_MSGSND		11
#define	LINUX_MSGRCV		12
#define	LINUX_MSGGET		13
#define	LINUX_MSGCTL		14
#define	LINUX_SHMAT		21
#define	LINUX_SHMDT		22
#define	LINUX_SHMGET		23
#define	LINUX_SHMCTL		24

#define	LINUX_IPC_RMID		0
#define	LINUX_IPC_SET		1
#define	LINUX_IPC_STAT		2
#define	LINUX_IPC_INFO		3

#define	LINUX_MSG_INFO	12

#define	LINUX_SHM_LOCK		11
#define	LINUX_SHM_UNLOCK	12
#define	LINUX_SHM_STAT		13
#define	LINUX_SHM_INFO		14

#define	LINUX_SHM_RDONLY	0x1000
#define	LINUX_SHM_RND		0x2000
#define	LINUX_SHM_REMAP		0x4000

/* semctl commands */
#define	LINUX_GETPID		11
#define	LINUX_GETVAL		12
#define	LINUX_GETALL		13
#define	LINUX_GETNCNT		14
#define	LINUX_GETZCNT		15
#define	LINUX_SETVAL		16
#define	LINUX_SETALL		17
#define	LINUX_SEM_STAT		18
#define	LINUX_SEM_INFO		19

/*
 * Version flags for semctl, msgctl, and shmctl commands
 * These are passed as bitflags or-ed with the actual command
 */
#define	LINUX_IPC_OLD	0	/* Old version (no 32-bit UID support on many
				   architectures) */
#define	LINUX_IPC_64	0x0100	/* New version (support 32-bit UIDs, bigger
				   message sizes, etc. */

#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))

struct linux_semop_args
{
	l_int		semid;
	struct l_sembuf *tsops;
	l_uint		nsops;
};

int linux_semop(struct thread *, struct linux_semop_args *);
#endif	/* __i386__ || (__amd64__ && COMPAT_LINUX32) */

#endif /* _LINUX_IPC_H_ */