/*	@(#)text.h 1.1 94/10/31 SMI; from UCB 4.4 81/03/09	*/

/*
 * Text structure.
 * One allocated per pure
 * procedure on swap device.
 * Manipulated by text.c
 */
#define	NXDAD	16		/* ctod(param.h:MAXTSIZ) / dmap.h:DMTEXT */

struct text
{
	swblk_t	x_daddr[NXDAD];	/* disk addresses of DMTEXT-sector segments */
	swblk_t	x_ptdaddr;	/* disk address of page table */
	size_t	x_size;		/* size (clicks) */
	struct proc *x_caddr;	/* ptr to linked proc, if loaded */
	struct vnode *x_vptr;	/* vnode of prototype */
	short	x_rssize;
	short	x_swrss;
	char	x_count;	/* reference count */
	char	x_ccount;	/* number of loaded references */
	char	x_flag;		/* traced, written flags */
	char	x_slptime;
	short	x_poip;		/* page out in progress count */
};

#ifdef	KERNEL
struct	text *text, *textNTEXT;
int	ntext;
#endif

#define	XTRC	01		/* Text may be written, exclusive use */
#define	XWRIT	02		/* Text written into, must swap out */
#define	XLOAD	04		/* Currently being read from file */
#define	XLOCK	010		/* Being swapped in or out */
#define	XWANT	020		/* Wanted for swapping */
#define	XPAGV	040		/* Page in on demand from vnode */
