sl@0: /*-
sl@0:  *© Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
sl@0:  * Copyright (c) 1988 University of Utah.
sl@0:  * Copyright (c) 1990, 1993
sl@0:  *	The Regents of the University of California.  All rights reserved.
sl@0:  * (c) UNIX System Laboratories, Inc.
sl@0:  * All or some portions of this file are derived from material licensed
sl@0:  * to the University of California by American Telephone and Telegraph
sl@0:  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
sl@0:  * the permission of UNIX System Laboratories, Inc.
sl@0:  *
sl@0:  * This code is derived from software contributed to Berkeley by
sl@0:  * the Systems Programming Group of the University of Utah Computer
sl@0:  * Science Department.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer.
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in the
sl@0:  *    documentation and/or other materials provided with the distribution.
sl@0:  * 4. Neither the name of the University nor the names of its contributors
sl@0:  *    may be used to endorse or promote products derived from this software
sl@0:  *    without specific prior written permission.
sl@0:  *
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
sl@0:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
sl@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
sl@0:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
sl@0:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
sl@0:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
sl@0:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
sl@0:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
sl@0:  * SUCH DAMAGE.
sl@0:  *
sl@0:  *	@(#)ipc.h	8.4 (Berkeley) 2/19/95
sl@0:  * $FreeBSD: src/sys/sys/ipc.h,v 1.25 2005/01/07 02:29:23 imp Exp $
sl@0:  */
sl@0: 
sl@0: /*
sl@0:  * SVID compatible ipc.h file
sl@0:  */
sl@0: #ifndef _SYS_IPC_H_
sl@0: #define _SYS_IPC_H_
sl@0: 
sl@0: #include <sys/cdefs.h>
sl@0: #include <sys/types.h>
sl@0: 
sl@0: #ifndef _GID_T_DECLARED
sl@0: typedef	__gid_t		gid_t;
sl@0: #define	_GID_T_DECLARED
sl@0: #endif
sl@0: 
sl@0: #ifndef _KEY_T_DECLARED
sl@0: typedef	__key_t		key_t;
sl@0: #define	_KEY_T_DECLARED
sl@0: #endif
sl@0: 
sl@0: #ifndef _MODE_T_DECLARED
sl@0: typedef	__mode_t	mode_t;
sl@0: #define	_MODE_T_DECLARED
sl@0: #endif
sl@0: 
sl@0: #ifndef _UID_T_DECLARED
sl@0: typedef	__uid_t		uid_t;
sl@0: #define	_UID_T_DECLARED
sl@0: #endif
sl@0: 
sl@0: /*
sl@0:  * XXX almost all members have wrong types.
sl@0:  */
sl@0: struct ipc_perm {
sl@0: 	unsigned short	cuid;	/* creator user id */
sl@0: 	unsigned short	cgid;	/* creator group id */
sl@0: 	unsigned short	uid;	/* user id */
sl@0: 	unsigned short	gid;	/* group id */
sl@0: 	unsigned short	mode;	/* r/w permission */
sl@0: 	unsigned short	seq;	/* sequence # (to generate unique ipcid) */
sl@0: 	key_t		key;	/* user specified msg/sem/shm key */
sl@0: };
sl@0: 
sl@0: #if __BSD_VISIBLE
sl@0: /* common mode bits */
sl@0: #define	IPC_R		000400	/* read permission */
sl@0: #define	IPC_W		000200	/* write/alter permission */
sl@0: #define	IPC_M		010000	/* permission to change control info */
sl@0: #endif
sl@0: 
sl@0: /* SVID required constants (same values as system 5) */
sl@0: #define	IPC_CREAT	001000	/* create entry if key does not exist */
sl@0: #define	IPC_EXCL	002000	/* fail if key exists */
sl@0: #define	IPC_NOWAIT	004000	/* error if request must wait */
sl@0: 
sl@0: #define	IPC_PRIVATE	(key_t)0 /* private key */
sl@0: 
sl@0: #define	IPC_RMID	0	/* remove identifier */
sl@0: #define	IPC_SET		1	/* set options */
sl@0: #define	IPC_STAT	2	/* get options */
sl@0: #if __BSD_VISIBLE
sl@0: #define	IPC_INFO	3	/* get info */
sl@0: #endif
sl@0: 
sl@0: #ifdef _KERNEL
sl@0: /* Macros to convert between ipc ids and array indices or sequence ids */
sl@0: #define	IPCID_TO_IX(id)		((id) & 0xffff)
sl@0: #define	IPCID_TO_SEQ(id)	(((id) >> 16) & 0xffff)
sl@0: #define	IXSEQ_TO_IPCID(ix,perm)	(((perm.seq) << 16) | (ix & 0xffff))
sl@0: 
sl@0: struct thread;
sl@0: struct proc;
sl@0: struct vmspace;
sl@0: 
sl@0: extern void (*shmfork_hook)(struct proc *, struct proc *);
sl@0: extern void (*shmexit_hook)(struct vmspace *);
sl@0: 
sl@0: #else /* ! _KERNEL */
sl@0: 
sl@0: __BEGIN_DECLS
sl@0: /*
sl@0: * Convert a pathname and project identifier to an IPC key.
sl@0: */
sl@0: IMPORT_C key_t ftok(const char *pathname, int proj_id);
sl@0: 
sl@0: __END_DECLS
sl@0: 
sl@0: #endif /* _KERNEL */
sl@0: 
sl@0: #endif /* !_SYS_IPC_H_ */
sl@0: 
sl@0: 
sl@0: 
sl@0: //  End of File