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- /* Copyright (c) 1990 UNIX System Laboratories, Inc. */
- /* Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T */
- /* All Rights Reserved */
-
- /* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF */
- /* UNIX System Laboratories, Inc. */
- /* The copyright notice above does not evidence any */
- /* actual or intended publication of such source code. */
-
- #ifndef _SYS_JIOCTL_H
- #define _SYS_JIOCTL_H
-
- #ident "@(#)/usr/include/sys/jioctl.h.sl 1.1 4.0 12/08/90 12533 AT&T-USL"
-
- /*
- * jioctl.h
- *
- * Low level control codes for communication between the host and a
- * windowing terminal. See windows.h for additional messages used by
- * libwindows.
- *
- * In case you are wondering what the "j" in jioctl stands for,
- * the "j" stands for jerq which was the first windowing terminal.
- * The jerq became the Blit which begot the 5620 DMD which begot
- * the 615, the 620 and the 630 MTG.
- */
-
-
- /*
- * Ioctl requests sent to the xt driver. The types JMPX, JWINSIZE,
- * and JTRUN are processed locally by xt. The others involve sending
- * a control message to the terminal on channel 0 (the control
- * channel). In the control message, the lower bytes of these defines
- * are used as the first byte of the control message.
- *
- * Note that packets sent from the host to the terminal on channels
- * other than 0 are implicitly data packets.
- */
-
- #define JTYPE ('j'<<8)
- #define JBOOT (JTYPE|1) /* start a download in a window */
- #define JTERM (JTYPE|2) /* return to default terminal emulator */
- #define JMPX (JTYPE|3) /* currently running layers? */
-
- /*** Timeout in seconds. Not supported by streams xt, but reserve
- * this number to avoid confusion.
- #define JTIMO (JTYPE|4)
- ***/
-
- #define JWINSIZE (JTYPE|5) /* inquire window size */
- #define JTIMOM (JTYPE|6) /* timeouts in millisecs */
- #define JZOMBOOT (JTYPE|7) /* JBOOT but wait for debugger to run */
- #define JAGENT (JTYPE|9) /* control for both directions */
- #define JTRUN (JTYPE|10) /* send runlayer command to layers cmd */
- #define JXTPROTO (JTYPE|11) /* set xt protocol type */
-
- /*
- * jwinsize structure used by JWINSIZE message.
- */
-
- struct jwinsize
- {
- char bytesx, bytesy; /* Window size in characters */
- short bitsx, bitsy; /* Window size in bits */
- };
-
- /*
- * Channel 0 control message format.
- */
-
- struct jerqmesg
- {
- char cmd; /* A control code above */
- char chan; /* Channel it refers to */
- };
-
- /*
- * The first byte of every xt packet from the terminal to the host
- * is one of these control codes. Data packets start with either
- * C_SENDCHAR or C_SENDNCHARS.
- *
- * The usual format is: [command][data]
- */
-
- #define C_SENDCHAR 1 /* Send character to layer process */
- #define C_NEW 2 /* Create a new layer */
- #define C_UNBLK 3 /* Unblock layer process */
- #define C_DELETE 4 /* Delete layer process group */
- #define C_EXIT 5 /* Exit layers */
- #define C_DEFUNCT 6 /* Send terminate signal to proc. group */
- #define C_SENDNCHARS 7 /* Send several characters to layer proc. */
- #define C_RESHAPE 8 /* Layer has been reshaped */
- #define C_RUN 9 /* Run command in layer (local to xt/layers) */
- #define C_NOFLOW 10 /* Disable network xt flow control */
- #define C_YESFLOW 11 /* Enable network xt flow control */
-
- /*
- * Format of JAGENT packets.
- */
-
- struct bagent{ /* this is supposed to be 12 bytes long */
- long size; /* size of src string going in and dest string out */
- char * src; /* address of the source byte string */
- char * dest; /* address of the destination byte string */
- };
-
- #endif /* _SYS_JIOCTL_H */
-