/*
Copyright (c) 1993 Xerox Corporation.  All rights reserved.
*/
/*
 */


#ifndef __XR_sys_ipc_h
#define __XR_sys_ipc_h

#include <config/PCR_OS.h>

#include <sys/ipc.h>

struct XR_ipc_perm {
	unsigned short	uid;	/* owner's user id */
	unsigned short	gid;	/* owner's group id */
	unsigned short	cuid;	/* creator's user id */
	unsigned short	cgid;	/* creator's group id */
	unsigned short	mode;	/* access modes */
	unsigned short	seq;	/* slot usage sequence number */
	XR_key_t	key;	/* key */
};

/* Common IPC Definitions. */
/* Flags bits. */
#define	XR_IPC_ALLOC	0100000		/* entry currently allocated */
#define	XR_IPC_CREAT	0001000		/* create entry if key doesn't exist */
#define	XR_IPC_EXCL	0002000		/* fail if key exists */
#define	XR_IPC_NOWAIT	0004000		/* error if request must wait */

/* Keys. */
#define	XR_IPC_PRIVATE	(XR_key_t)0	/* private key */

/* Control Commands. */
#define	XR_IPC_RMID	0	/* remove identifier */
#define	XR_IPC_SET	1	/* set options */
#define	XR_IPC_STAT	2	/* get options */

#if defined(PCR_OS_SUNOS4)

#   define XR_sys_ipc_KeyToHost(key)		(key)
#   define XR_sys_ipc_CmdToHost(cmd)		(cmd)
#   define XR_sys_ipc_FlagsToHost(flags)	(flags)

extern void
XR_sys_ipc_PermToHost(struct ipc_perm *hp, struct XR_ipc_perm *xp);

extern void
XR_sys_ipc_PermFromHost(struct XR_ipc_perm *xp, struct ipc_perm *hp);

#elif defined(PCR_OS_SUNOS5)

#   define XR_sys_ipc_KeyToHost(key)		(key)
#   define XR_sys_ipc_FlagsToHost(flags)	(flags)

extern int
XR_sys_ipc_CmdToHost(int cmd);

extern void
XR_sys_ipc_PermToHost(struct ipc_perm *hp, struct XR_ipc_perm *xp);

extern void
XR_sys_ipc_PermFromHost(struct XR_ipc_perm *xp, struct ipc_perm *hp);

#else
#   error os ?
#endif



#endif /*!__XR_sys_ipc_h*/