[unix-history] / usr / src / sys / h / text.h

/*	text.h	2.1	1/5/80	*/

/*
 * Text structure.
 * One allocated per pure
 * procedure on swap device.
 * Manipulated by text.c
 */
struct text
{
	swblk_t	x_daddr;	/* disk address of segment */
	size_t	x_size;		/* size (clicks) */
	struct proc *x_caddr;	/* ptr to linked proc, if loaded */
	struct inode *x_iptr;	/* inode 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
extern	struct text text[];
#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	XPAGI	040		/* Page in on demand from inode */
Commit	Line	Data
e78f0c8d BJ	1	/* text.h 2.1 1/5/80 */
	2
	3	/*
	4	* Text structure.
	5	* One allocated per pure
	6	* procedure on swap device.
	7	* Manipulated by text.c
	8	*/
	9	struct text
	10	{
	11	swblk_t x_daddr; /* disk address of segment */
	12	size_t x_size; /* size (clicks) */
	13	struct proc x_caddr; / ptr to linked proc, if loaded */
	14	struct inode x_iptr; / inode of prototype */
	15	short x_rssize;
	16	short x_swrss;
	17	char x_count; /* reference count */
	18	char x_ccount; /* number of loaded references */
	19	char x_flag; /* traced, written flags */
	20	char x_slptime;
	21	short x_poip; /* page out in progress count */
	22	};
	23
	24	#ifdef KERNEL
	25	extern struct text text[];
	26	#endif
	27
	28	#define XTRC 01 /* Text may be written, exclusive use */
	29	#define XWRIT 02 /* Text written into, must swap out */
	30	#define XLOAD 04 /* Currently being read from file */
	31	#define XLOCK 010 /* Being swapped in or out */
	32	#define XWANT 020 /* Wanted for swapping */
	33	#define XPAGI 040 /* Page in on demand from inode */