--- ray/src/hd/rholo.c	1998/10/08 14:52:26	3.41
+++ ray/src/hd/rholo.c	1999/01/05 11:34:52	3.45
@@ -14,6 +14,9 @@ static char SCCSid[] = "$SunId$ SGI";
 #include <sys/types.h>
 #include <sys/stat.h>
 
+#ifndef FRAGWARN
+#define FRAGWARN	20		/* fragmentation for warning (%) */
+#endif
 #ifndef MAXQTIME
 #define MAXQTIME	5		/* target maximum seconds in queue */
 #endif
@@ -147,7 +150,7 @@ int  signo;
 	if (gotsig++)			/* two signals and we're gone! */
 		_exit(signo);
 
-	alarm(60);			/* allow 60 seconds to clean up */
+	alarm(120);			/* allow 2 minutes to clean up */
 	signal(SIGALRM, SIG_DFL);	/* make certain we do die */
 	eputs("signal - ");
 	eputs(sigerr[signo]);
@@ -269,8 +272,10 @@ memerr:
 
 rholo()				/* holodeck main loop */
 {
+	static long	nextfragwarn = 100*(1L<<20);
 	static int	idle = 0;
 	PACKET	*pl = NULL, *plend;
+	long	fsiz;
 	int	pksiz;
 	register PACKET	*p;
 	time_t	t;
@@ -284,12 +289,21 @@ rholo()				/* holodeck main loop */
 			return(1);
 	} else if (idle)
 		return(0);		/* all done */
-					/* check file size */
-	if (maxdisk > 0 && hdfilen(hdlist[0]->fd) >= maxdisk) {
+	fsiz = hdfilen(hdlist[0]->fd);	/* check file size */
+	if (maxdisk > 0 && fsiz >= maxdisk) {
 		error(WARNING, "file limit exceeded");
 		done_rtrace();
 		return(1);	/* comes back */
 	}
+#if FRAGWARN
+	if (fsiz >= nextfragwarn &&
+		(fsiz-hdfiluse(hdlist[0]->fd,0))/(fsiz/100) > FRAGWARN) {
+		sprintf(errmsg, "holodeck file fragmentation is %.0f%%",
+				100.*(fsiz-hdfiluse(hdlist[0]->fd,1))/fsiz);
+		error(WARNING, errmsg);
+		nextfragwarn = fsiz + (fsiz>>2);	/* decent interval */
+	}
+#endif
 	t = time(NULL);			/* check time */
 	if (endtime > 0 && t >= endtime) {
 		error(WARNING, "time limit exceeded");
@@ -367,7 +381,7 @@ register HDGRID	*gp;
 		for (i = 0; i < 3; i++)
 			len[i] = VLEN(gp->xv[i]);
 		if (!vdef(GRID)) {
-			d = 2/5e5*( len[0]*len[0]*(len[1]*len[1] +
+			d = 2/2e5*( len[0]*len[0]*(len[1]*len[1] +
 					len[2]*len[2] + 4*len[1]*len[2])
 				+ len[1]*len[1]*len[2]*(len[2] + 4*len[0])
 				+ 4*len[0]*len[1]*len[2]*len[2] );
@@ -420,6 +434,7 @@ HDGRID	*gp;
 }
 
 
+int
 headline(s)			/* process information header line */
 char	*s;
 {
@@ -433,7 +448,7 @@ char	*s;
 					HOLOFMT, hdkfile, FMTSTR, fmt);
 			error(USER, errmsg);
 		}
-		return;
+		return(0);
 	}
 	for (cp = s; *cp; cp++)		/* take off any comments */
 		if (*cp == '#') {
@@ -441,6 +456,7 @@ char	*s;
 			break;
 		}
 	setvariable(s, matchvar);	/* don't flag errors */
+	return(0);
 }