[unix-history] / sys / h / mx.h

/*	mx.h	4.3	81/02/25	*/

#define	NGROUPS		10	/* number of mpx files permitted at one time */
#define	NCHANS		20	/* number of channel structures */
#define	NPORTS		30	/* number of channels to i/o ports */
#define	CNTLSIZ		10
#define	NLEVELS		4
#define	NMSIZE		50	/* max size of mxlstn file name */

/*
 * header returned on read of mpx
 */
struct	rh {
	short	index;
	short	count;
	short	ccount;
};

/*
 * head expected on write of mpx
 */
struct	wh {
	short	index;
	short	count;
	short	ccount;
	char	*data;
};

struct	mx_args {
	char	*m_name;
	int	m_cmd;
	int	m_arg[3];
};


#ifdef KERNEL
/*
 * internal structure for channel
 */

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

struct schan {
	short	c_flags;
	char	c_index;
	char	c_line;
	struct	group	*c_group;
	struct	file	*c_fy;
	struct	tty	*c_ttyp;
	struct	clist	c_ctlx;
	int	c_pgrp;
};


/*
 * flags
 */
#define	INUSE	01
#define	SIOCTL	02
#define	XGRP	04
#define	YGRP	010
#define	WCLOSE	020
#define	ISGRP	0100
#define	BLOCK	0200
#define	EOTMARK	0400
#define	SIGBLK	01000
#define	BLKMSG	01000
#define	ENAMSG	02000
#define	WFLUSH	04000
#define	NMBUF	010000
#define	PORT	020000
#define	ALT	040000
#define	FBLOCK	0100000

#endif

/*
 * mpxchan command codes
 */
#define	MPX	5
#define	MPXN	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	M_WATCH 1
#define	M_CLOSE 2
#define	M_EOT	3
#define	M_OPEN	4
#define	M_BLK	5
#define	M_UBLK	6
#define	DO_BLK	7
#define	DO_UBLK	8
#define	M_IOCTL	12
#define	M_IOANS	13
#define	M_SIG	14

/*
 * 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
/* mux io controls */
#define	MXLSTN		(('x'<<8)|1)
#define	MXNBLK		(('x'<<8)|2)
Commit	Line	Data
6bafdb92 C	1	/* mx.h 4.3 81/02/25 */
	2
	3	#define NGROUPS 10 /* number of mpx files permitted at one time */
	4	#define NCHANS 20 /* number of channel structures */
	5	#define NPORTS 30 /* number of channels to i/o ports */
	6	#define CNTLSIZ 10
	7	#define NLEVELS 4
	8	#define NMSIZE 50 /* max size of mxlstn file name */
	9
	10	/*
	11	* header returned on read of mpx
	12	*/
	13	struct rh {
	14	short index;
	15	short count;
	16	short ccount;
	17	};
	18
	19	/*
	20	* head expected on write of mpx
	21	*/
	22	struct wh {
	23	short index;
	24	short count;
	25	short ccount;
	26	char *data;
	27	};
	28
	29	struct mx_args {
	30	char *m_name;
	31	int m_cmd;
	32	int m_arg[3];
	33	};
	34
	35
	36	#ifdef KERNEL
	37	/*
	38	* internal structure for channel
	39	*/
	40
	41	struct chan {
	42	short c_flags;
	43	char c_index;
	44	char c_line;
	45	struct group *c_group;
	46	struct file *c_fy;
	47	struct tty *c_ttyp;
	48	struct clist c_ctlx;
	49	int c_pgrp;
	50	struct tty *c_ottyp;
	51	char c_oline;
	52	union {
	53	struct clist datq;
	54	} cx;
	55	union {
	56	struct clist datq;
	57	struct chan *c_chan;
	58	} cy;
	59	struct clist c_ctly;
	60	};
	61
	62	struct schan {
	63	short c_flags;
	64	char c_index;
65	char c_line;
66	struct group *c_group;
67	struct file *c_fy;
68	struct tty *c_ttyp;
69	struct clist c_ctlx;
70	int c_pgrp;
71	};
72
73
74	/*
75	* flags
76	*/
77	#define INUSE 01
78	#define SIOCTL 02
79	#define XGRP 04
80	#define YGRP 010
81	#define WCLOSE 020
82	#define ISGRP 0100
83	#define BLOCK 0200
84	#define EOTMARK 0400
85	#define SIGBLK 01000
86	#define BLKMSG 01000
87	#define ENAMSG 02000
88	#define WFLUSH 04000
89	#define NMBUF 010000
90	#define PORT 020000
91	#define ALT 040000
92	#define FBLOCK 0100000
93
94	#endif
95
96	/*
97	* mpxchan command codes
98	*/
99	#define MPX 5
100	#define MPXN 6
101	#define CHAN 1
102	#define JOIN 2
103	#define EXTR 3
104	#define ATTACH 4
105	#define CONNECT 7
106	#define DETACH 8
107	#define DISCON 9
108	#define DEBUG 10
109	#define NPGRP 11
110	#define CSIG 12
111	#define PACK 13
112
113	#define NDEBUGS 30
114	/*
115	* control channel message codes
116	*/
117	#define M_WATCH 1
118	#define M_CLOSE 2
119	#define M_EOT 3
120	#define M_OPEN 4
121	#define M_BLK 5
122	#define M_UBLK 6
123	#define DO_BLK 7
124	#define DO_UBLK 8
125	#define M_IOCTL 12
126	#define M_IOANS 13
127	#define M_SIG 14
128
129	/*
130	* debug codes other than mpxchan cmds
131	*/
132	#define MCCLOSE 29
133	#define MCOPEN 28
134	#define ALL 27
135	#define SCON 26
136	#define MSREAD 25
137	#define SDATA 24
138	#define MCREAD 23
139	#define MCWRITE 22
140	/* mux io controls */
141	#define MXLSTN (('x'<<8)\|1)
142	#define MXNBLK (('x'<<8)\|2)