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

#ifndef	__XR_sys_file_h
#define	__XR_sys_file_h

#include <config/PCR_OS.h>

#include <xr/XR_sys_types.h>
#include <xr/XR_fcntl.h>

#if defined(PCR_OS_SUNOS4) || defined(PCR_OS_SUNOS5)

#   define XR_file_FLockToHost(lock) (lock)
#   define XR_file_FLockFromHost(lock) (lock)
#   define XR_file_AccessToHost(acc) (acc)
#   define XR_file_LSeekToHost(whence) (whence)

#else

#   error os ?

#endif

/*
 * User definitions.
 */

/*
 * Flock call.
 */
#define	XR_LOCK_SH		1	/* shared lock */
#define	XR_LOCK_EX		2	/* exclusive lock */
#define	XR_LOCK_NB		4	/* don't block when locking */
#define	XR_LOCK_UN		8	/* unlock */

/*
 * Access call.  Also maintained in unistd.h
 */
#define	XR_F_OK		0	/* does file exist */
#define	XR_X_OK		1	/* is it executable by caller */
#define	XR_W_OK		2	/* writable by caller */
#define	XR_R_OK		4	/* readable by caller */

/*
 * Lseek call.  Also maintained in 5include/stdio.h and sys/unistd.h as SEEK_*
 */
#define	XR_L_SET		0	/* absolute offset */
#define	XR_L_INCR		1	/* relative to current offset */
#define	XR_L_XTND		2	/* relative to end of file */


#endif	/* !__XR_sys_file_h */