[unix-history] / usr / include / sys / chan.h

#define NGROUPS		10
#define	NCHANS		20

#define	DCHAN		1
#define	CCHAN		0

struct chan {
	short	c_flags;
	char	c_index;
	char	c_msg;
	struct	group *c_group;
	struct	tty	*c_ttyp;
	struct	file	*c_fy;
	int	c_pgrp;
	union {
		struct	clist	datq;
	} cx;
	union {
		struct	clist	datq;
		struct	chan	*c_chan;
	} cy;
	struct	clist	c_ctlx;
	struct	clist	c_ctly;
};


struct group {
	short	g_state;
	char	g_mindex;
	short	g_index;
	short	g_count;
	struct	inode 	*g_inode;
	struct	group	*g_master;
	struct	clist	g_cntl;
	struct	clist	g_datq;
};

/*
 * flags
 */
#define	INUSE	01
#define COPEN	02
#define	XGRP	04
#define	YGRP	010
#define	WCLOSE	020
#define	TTYO	040
#define	SUBGRP	0100
#define	BLOCK	0200
#define	BLOCK1	0400
#define	SIGBLK	01000
#define	BLKMSG	01000
#define	ENAMSG	02000
#define	WFLUSH	04000
#define	RZERO	010000


/*
 * mpxchan command codes
 */
#define	GROUP	5
#define	GROUPN	6
#define	CHAN	1
#define JOIN	2
#define EXTR	3
#define	ATTACH	4
#define	CONNECT	7
#define	DETACH	8
#define	DISCON	9
#define DEBUG	10
#define	NPGRP	11
#define	CSIG	12
#define PACK	13

#define NDEBUGS	30
/*
 * control channel message codes
 */
#define	WATTCH	1
#define M_WATCH 1
#define	SCLOSE	2
#define M_CLOSE 2
#define	M_ATTACH 3
#define	M_BLK	4
#define	M_UBLK	5
#define	DO_BLK	6
#define	DO_UBLK	7
#define	M_XINT	8
#define	M_RINT	9
#define	M_ACK	10
#define	M_NAK\e	11


/*
 * debug codes other than mpxchan cmds
 */
#define MCCLOSE 29
#define MCOPEN	28
#define	ALL	27
#define SCON	26
#define	MSREAD	25
#define	SDATA	24
#define	MCREAD	23
#define MCWRITE	22

/* HDRSIZE == NLEVELS + sizeof (short) */
#define	HDRSIZE		4
#define NLEVELS		2
union u_index {
	short val;
	char	bytes[NLEVELS];
};
typedef union u_index index_t;
Commit	Line	Data
26415b64 TL	1	#define NGROUPS 10
	2	#define NCHANS 20
	3
	4	#define DCHAN 1
	5	#define CCHAN 0
	6
	7	struct chan {
	8	short c_flags;
	9	char c_index;
	10	char c_msg;
	11	struct group *c_group;
	12	struct tty *c_ttyp;
	13	struct file *c_fy;
	14	int c_pgrp;
	15	union {
	16	struct clist datq;
	17	} cx;
	18	union {
	19	struct clist datq;
	20	struct chan *c_chan;
	21	} cy;
	22	struct clist c_ctlx;
	23	struct clist c_ctly;
	24	};
	25
	26
	27	struct group {
	28	short g_state;
	29	char g_mindex;
	30	short g_index;
	31	short g_count;
	32	struct inode *g_inode;
	33	struct group *g_master;
	34	struct clist g_cntl;
	35	struct clist g_datq;
	36	};
	37
	38	/*
	39	* flags
	40	*/
	41	#define INUSE 01
	42	#define COPEN 02
	43	#define XGRP 04
	44	#define YGRP 010
	45	#define WCLOSE 020
	46	#define TTYO 040
	47	#define SUBGRP 0100
	48	#define BLOCK 0200
	49	#define BLOCK1 0400
	50	#define SIGBLK 01000
	51	#define BLKMSG 01000
	52	#define ENAMSG 02000
	53	#define WFLUSH 04000
	54	#define RZERO 010000
	55
	56
	57	/*
	58	* mpxchan command codes
	59	*/
	60	#define GROUP 5
	61	#define GROUPN 6
	62	#define CHAN 1
	63	#define JOIN 2
	64	#define EXTR 3
65	#define ATTACH 4
66	#define CONNECT 7
67	#define DETACH 8
68	#define DISCON 9
69	#define DEBUG 10
70	#define NPGRP 11
71	#define CSIG 12
72	#define PACK 13
73
74	#define NDEBUGS 30
75	/*
76	* control channel message codes
77	*/
78	#define WATTCH 1
79	#define M_WATCH 1
80	#define SCLOSE 2
81	#define M_CLOSE 2
82	#define M_ATTACH 3
83	#define M_BLK 4
84	#define M_UBLK 5
85	#define DO_BLK 6
86	#define DO_UBLK 7
87	#define M_XINT 8
88	#define M_RINT 9
89	#define M_ACK 10
90	#define M_NAK\e 11
91
92
93	/*
94	* debug codes other than mpxchan cmds
95	*/
96	#define MCCLOSE 29
97	#define MCOPEN 28
98	#define ALL 27
99	#define SCON 26
100	#define MSREAD 25
101	#define SDATA 24
102	#define MCREAD 23
103	#define MCWRITE 22
104
105	/* HDRSIZE == NLEVELS + sizeof (short) */
106	#define HDRSIZE 4
107	#define NLEVELS 2
108	union u_index {
109	short val;
110	char bytes[NLEVELS];
111	};
112	typedef union u_index index_t;