2.9BSD - /usr/include/sys/mx.h

   1: /*	mx.h	3.2	6/6/80	*/
   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:     short   m_cmd;
  32:     short   m_arg[3];
  33: };
  34: 
  35: 
  36: /*
  37:  * internal structure for channel
  38:  */
  39: 
  40: struct chan {
  41:     short   c_flags;
  42:     char    c_index;
  43:     char    c_line;
  44:     struct  group   *c_group;
  45:     struct  file    *c_fy;
  46:     struct  tty *c_ttyp;
  47:     struct  clist   c_ctlx;
  48:     short   c_pgrp;
  49:     struct  tty *c_ottyp;
  50:     char    c_oline;
  51:     union {
  52:         struct  clist   datq;
  53:     } cx;
  54:     union {
  55:         struct  clist   datq;
  56:         struct  chan    *c_chan;
  57:     } cy;
  58:     struct  clist   c_ctly;
  59: };
  60: 
  61: struct schan {
  62:     short   c_flags;
  63:     char    c_index;
  64:     char    c_line;
  65:     struct  group   *c_group;
  66:     struct  file    *c_fy;
  67:     struct  tty *c_ttyp;
  68:     struct  clist   c_ctlx;
  69:     short   c_pgrp;
  70: };
  71: 
  72: 
  73: /*
  74:  * flags
  75:  */
  76: #define INUSE   01
  77: #define SIOCTL  02
  78: #define XGRP    04
  79: #define YGRP    010
  80: #define WCLOSE  020
  81: #define ISGRP   0100
  82: #define BLOCK   0200
  83: #define EOTMARK 0400
  84: #define SIGBLK  01000
  85: #define BLKMSG  01000
  86: #define ENAMSG  02000
  87: #define WFLUSH  04000
  88: #define NMBUF   010000
  89: #define PORT    020000
  90: #define ALT 040000
  91: #define FBLOCK  0100000
  92: 
  93: /*
  94:  * mpxchan command codes
  95:  */
  96: #define MPX 5
  97: #define MPXN    6
  98: #define CHAN    1
  99: #define JOIN    2
 100: #define EXTR    3
 101: #define ATTACH  4
 102: #define CONNECT 7
 103: #define DETACH  8
 104: #define DISCON  9
 105: #define DEBUG   10
 106: #define NPGRP   11
 107: #define CSIG    12
 108: #define PACK    13
 109: 
 110: #define NDEBUGS 30
 111: /*
 112:  * control channel message codes
 113:  */
 114: #define M_WATCH 1
 115: #define M_CLOSE 2
 116: #define M_EOT   3
 117: #define M_OPEN  4
 118: #define M_BLK   5
 119: #define M_UBLK  6
 120: #define DO_BLK  7
 121: #define DO_UBLK 8
 122: #define M_IOCTL 12
 123: #define M_IOANS 13
 124: #define M_SIG   14
 125: 
 126: /*
 127:  * debug codes other than mpxchan cmds
 128:  */
 129: #define MCCLOSE 29
 130: #define MCOPEN  28
 131: #define ALL 27
 132: #define SCON    26
 133: #define MSREAD  25
 134: #define SDATA   24
 135: #define MCREAD  23
 136: #define MCWRITE 22

Defined struct's

Defined macros

Usage of this include