/* * One structure allocated per active * process. It contains all data needed * about the process while the * process may be swapped out. * Other per process data (user.h) * is swapped with the process. */struct	proc{	char	p_stat;	char	p_flag;	char	p_pri;		/* priority, negative is high */	char	p_sig;		/* signal number sent to this process */	char	p_uid;		/* user id, used to direct tty signals */	char	p_time;		/* resident time for scheduling */	char	p_cpu;		/* cpu usage for scheduling */	char	p_nice;		/* nice for scheduling */	int	p_ttyp;		/* controlling tty */	int	p_pid;		/* unique process id */	int	p_ppid;		/* process id of parent */	int	p_addr;		/* address of swappable image */	int	p_size;		/* size of swappable image (*64 bytes) */	int	p_wchan;	/* event process is awaiting */	int	*p_textp;	/* pointer to text structure */} proc[NPROC];/* stat codes */#define	SSLEEP	1		/* sleeping on high priority */#define	SWAIT	2		/* sleeping on low priority */#define	SRUN	3		/* running */#define	SIDL	4		/* intermediate state in process creation */#define	SZOMB	5		/* intermediate state in process termination */#define	SSTOP	6		/* process being traced *//* flag codes */#define	SLOAD	01		/* in core */#define	SSYS	02		/* scheduling process */#define	SLOCK	04		/* process cannot be swapped */#define	SSWAP	010		/* process is being swapped out */#define	STRC	020		/* process is being traced */#define	SWTED	040		/* another tracing flag */