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    Length: 2766 (0xace)
    Types: TextFile
    Notes: UNIX file
    Names: »slnutil.h«

└─⟦a6ab2eb36⟧ Bits:30004042/kconfig3.imd SW95705I 386/ix Multi-user Release 1.2
└─⟦a6ab2eb36⟧ UNIX Filesystem
    └─⟦this⟧ »kc/new/usr/include/sys/slnutil.h« 

TextFile

/*
 *	         Copyright (c) 1984 AT&T
 *		   All Rights Reserved
 *
 *     THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T
 *   The copyright notice above does not evidence any actual
 *   or intended publication of such source code.
 *
 *
 * Basic logical flags
 */

#ident "@(#)slnutil.h	1.2 -- 86/11/05"

#define TRUE	1
#define FALSE	0

#define YES	1
#define NO	0

#define PASSED	1
#define FAILED	-1


/*
 * Standard UNIX file descriptors
 */
#define STDIN	0
#define STDOUT	1
#define STDERR	2

typedef int bool;
\f


#ifdef INKERNEL
/*
 * The folowing definitions are valid only for KERNEL code
 *
 *
 * Provide some more familiar names for certain STREAMS structures.
 * These reflect name chnage differences in BASIC STREAMS and BPLUS
 * STREAMS
 */
#define QUEUE		queue_t
#define MESSAGE		mblk_t
#define BLOCK		mblk_t
#define DATAB		dblk_t



/*
 * The following declarations pertain to standard STREAMS data
 * structures
 */

#define MPREV(mptr)	((mptr)->b_prev)
#define MNEXT(mptr)	((mptr)->b_next)
#define MREAD(mptr)	((mptr)->b_rptr)
#define MWRITE(mptr)	((mptr)->b_wptr)
#define MCONT(mptr)	((mptr)->b_cont)
#define MTYPE(mptr)	((mptr)->b_datap->db_type)
#define MBASE(mptr)	((mptr)->b_datap->db_base)
#define MLIMIT(mptr)	((mptr)->b_datap->db_lim)
#define MREF(mptr)	((mptr)->b_datap->db_ref)

#define QFIRST(qptr)	((qptr)->q_first)
#define QLAST(qptr)	((qptr)->q_last)
#define QNEXT(qptr)	((qptr)->q_next)
#define QUSER(qptr)	((qptr)->q_ptr)
#define QFLAG(qptr)	((qptr)->q_flag)
#define QCOUNT(qptr)	((qptr)->q_count)
#define QPUTP(qptr)	((qptr)->q_qinfo->qi_putp)
#define QSRVP(qptr)	((qptr)->q_qinfo->qi_srvp)

typedef struct iocblk IOCBLK;


/*
 * The following declarations provide standard STREAMS operations
 */
#define QSEND(qptr,msg)	((*QPUTP(QNEXT(qptr))) (QNEXT(qptr),msg))


/*
 * Fast kernel-to-kernel memcpy
 */
#define memcpy(to,from,n)	bcopy(from,to,n)


/*
 * Fast kernel clear function
 */
#ifdef u3b
#define memclr(from,n)		kclear(from,n)
#endif
#if u3b2+u3b5
#define memclr(from,n)		bzero(from,n)
#endif
#ifdef i386
/* bzero clears u_caddrflt and no stream module should alter the u area
 */
#define	memclr(from,n)		{char *cp; int i; \
					cp = (caddr_t) from; i=n; \
					while(i--) \
						*cp++=0; \
				}
#endif
\f


/*
 * Define the STARLAN statistics structure.
 */
struct slan_stat {
	unsigned long ns_strerr;	/* STREAMS fcn errors	    */
	unsigned long ns_rpckts;	/* nbr packets read	    */
	unsigned long ns_wpckts;	/* nbr packets written	    */
	unsigned long ns_rbytes;	/* nbr bytes read	    */
	unsigned long ns_wbytes;	/* nbr bytes written	    */
	long *ns_xptr;			/* ptr to array of counters */
	unsigned short ns_xsize;	/* number of counters	    */
	};

typedef struct slan_stat SLN_STAT;

#define SLN_SCNTS	5 
#endif