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1.1 ! root 1: /* mx.h 2.1 1/5/80 */ ! 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: 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
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