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root/radiance/ray/src/hd/rhdisp.h
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Comparing ray/src/hd/rhdisp.h (file contents):
Revision 3.5 by gregl, Wed Nov 26 21:34:27 1997 UTC vs.
Revision 3.10 by gregl, Sun Jan 4 18:37:11 1998 UTC

# Line 13 | Line 13
13   #define DR_SHUTDOWN     3               /* shutdown request */
14   #define DR_NEWSET       4               /* new bundle set */
15   #define DR_ADDSET       5               /* add to current set */
16 < #define DR_ADJSET       6               /* adjust set quantities */
16 > #define DR_ADJSET       6               /* adjust set quantities */
17   #define DR_DELSET       7               /* delete from current set */
18 + #define DR_KILL         8               /* kill rtrace process(es) */
19 + #define DR_RESTART      9               /* restart rtrace */
20 + #define DR_CLOBBER      10              /* clobber holodeck */
21  
22                                  /* server responses */
23 < #define DS_BUNDLE       8               /* computed bundle */
24 < #define DS_ACKNOW       9               /* acknowledge request for attention */
25 < #define DS_SHUTDOWN     10              /* end process and close connection */
26 < #define DS_ADDHOLO      11              /* register new holodeck */
27 < #define DS_STARTIMM     12              /* begin immediate bundle set */
28 < #define DS_ENDIMM       13              /* end immediate bundle set */
23 > #define DS_BUNDLE       32              /* computed bundle */
24 > #define DS_ACKNOW       33              /* acknowledge request for attention */
25 > #define DS_SHUTDOWN     34              /* end process and close connection */
26 > #define DS_ADDHOLO      35              /* register new holodeck */
27 > #define DS_STARTIMM     36              /* begin immediate bundle set */
28 > #define DS_ENDIMM       37              /* end immediate bundle set */
29 > #define DS_OUTSECT      38              /* render from outside sections */
30  
31   /*
32   * Normally, the server channel has priority, with the display process
# Line 42 | Line 46 | typedef struct {
46          int2    type;           /* message type */
47          int4    nbytes;         /* number of additional bytes */
48   } MSGHEAD;              /* message head */
49 +
50 + /*
51 + * The display process is started with three arguments.  The first argument
52 + * is the short name of the holodeck file, appropriate for window naming, etc.
53 + * The second and third arguments are the file descriptor numbers assigned to
54 + * the server's standard output and input, respectively.  The stdin and stdout
55 + * of the display process are used for normal communication with the server,
56 + * and are connected to pipes going each way.  It is entirely appropriate
57 + * for the display process to borrow the server's stdin and stdout for reading
58 + * and writing user commands from the list in rhdriver.h.  If standard input
59 + * is not available for reading, then a descriptor of -1 will be passed.
60 + * The standard output will always be available for writing, though it
61 + * may go to /dev/null.
62 + */

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