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root/Development/ray/src/hd/rholo4.c

Comparing ray/src/hd/rholo4.c (file contents):
Revision 3.11 by gregl, Mon Dec 8 18:51:15 1997 UTC vs.
Revision 3.16 by gregl, Mon Dec 22 17:42:03 1997 UTC

#	Line 13 | Line 13 | static char SCCSid[] = "$SunId$ SGI";
13		#include <sys/uio.h>
14
15		#ifndef HDSUF
16	<	#define HDSUF   ".hdisp"
16	>	#define HDSUF   ".hdi"
17		#endif
18
19		static int      inp_flags;
#	Line 105 | Line 105 | int    block;
105		goto readerr;
106		}
107		switch (msg.type) {             /* take appropriate action */
108	<	case DR_BUNDLE:
108	>	case DR_BUNDLE:         /* new bundle to calculate */
109		if (msg.nbytes != sizeof(PACKHEAD))
110		error(INTERNAL, "bad DR_BUNDLE from display process");
111		bundle_set(BS_ADD, (PACKHEAD *)buf, 1);
112		break;
113	<	case DR_NEWSET:
113	>	case DR_NEWSET:         /* new calculation set */
114		if (msg.nbytes % sizeof(PACKHEAD))
115		error(INTERNAL, "bad DR_NEWSET from display process");
116		disp_result(DS_STARTIMM, 0, NULL);
#	Line 118 | Line 118 | int    block;
118		disp_result(DS_ENDIMM, 0, NULL);
119		disp_flush();
120		break;
121	<	case DR_ADDSET:
121	>	case DR_ADDSET:         /* add to calculation set */
122		if (msg.nbytes % sizeof(PACKHEAD))
123		error(INTERNAL, "bad DR_ADDSET from display process");
124		disp_result(DS_STARTIMM, 0, NULL);
125		bundle_set(BS_ADD, (PACKHEAD *)buf, msg.nbytes/sizeof(PACKHEAD));
126		disp_result(DS_ENDIMM, 0, NULL);
127	<	disp_check(0);          /* hack -- delete usu. follows add */
127	>	disp_flush();
128		break;
129	<	case DR_ADJSET:
129	>	case DR_ADJSET:         /* adjust calculation set members */
130		if (msg.nbytes % sizeof(PACKHEAD))
131		error(INTERNAL, "bad DR_ADJSET from display process");
132		disp_result(DS_STARTIMM, 0, NULL);
#	Line 134 | Line 134 | int    block;
134		disp_result(DS_ENDIMM, 0, NULL);
135		disp_flush();
136		break;
137	<	case DR_DELSET:
137	>	case DR_DELSET:         /* delete from calculation set */
138		if (msg.nbytes % sizeof(PACKHEAD))
139		error(INTERNAL, "bad DR_DELSET from display process");
140		bundle_set(BS_DEL, (PACKHEAD *)buf, msg.nbytes/sizeof(PACKHEAD));
141		break;
142	<	case DR_ATTEN:
142	>	case DR_ATTEN:          /* block for priority request */
143		if (msg.nbytes)
144		error(INTERNAL, "bad DR_ATTEN from display process");
145		/* send acknowledgement */
146		disp_result(DS_ACKNOW, 0, NULL);
147		return(disp_check(1));  /* block on following request */
148	<	case DR_SHUTDOWN:
148	>	case DR_KILL:           /* kill computation process(es) */
149		if (msg.nbytes)
150	+	error(INTERNAL, "bad DR_KILL from display process");
151	+	if (nprocs > 0)
152	+	done_rtrace();
153	+	else
154	+	error(WARNING, "no rtrace process to kill");
155	+	break;
156	+	case DR_RESTART:        /* restart computation process(es) */
157	+	if (msg.nbytes)
158	+	error(INTERNAL, "bad DR_RESTART from display process");
159	+	if (ncprocs > nprocs)
160	+	new_rtrace();
161	+	else if (nprocs > 0)
162	+	error(WARNING, "rtrace already runnning");
163	+	else
164	+	error(WARNING, "holodeck not open for writing");
165	+	break;
166	+	case DR_CLOBBER:        /* clobber holodeck */
167	+	if (msg.nbytes)
168	+	error(INTERNAL, "bad DR_CLOBBER from display process");
169	+	if (!force || !ncprocs)
170	+	error(WARNING, "request to clobber holodeck denied");
171	+	else {
172	+	error(WARNING, "clobbering holodeck contents");
173	+	hdclobber(NULL);
174	+	}
175	+	break;
176	+	case DR_SHUTDOWN:       /* shut down program */
177	+	if (msg.nbytes)
178		error(INTERNAL, "bad DR_SHUTDOWN from display process");
179		return(0);              /* zero return signals shutdown */
180	<	case DR_NOOP:
180	>	case DR_NOOP:           /* do nothing */
181		break;
182		default:
183		error(INTERNAL, "unrecognized request from display process");

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