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/* Copyright (c) 1997 Silicon Graphics, Inc. */ |
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/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ SGI"; |
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long npacksdone = 0L; /* number of packets done */ |
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PACKET *freepacks; /* available packets */ |
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int avgqlen; /* average queue length when full */ |
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int totqlen; /* maximum queue length when full */ |
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char *sigerr[NSIG]; /* signal error messages */ |
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} |
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/* check settings */ |
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checkvalues(); |
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/* load RIF if rtrace */ |
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if (ncprocs) |
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getradfile(); |
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/* load rad input file */ |
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getradfile(); |
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if (hdlist[0] == NULL) { /* create new holodeck */ |
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HDGRID hdg[HDMAX]; |
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if (fstat(fd, &stbuf) < 0) |
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error(SYSTEM, "cannot stat open holodeck file"); |
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mod &= stbuf.st_mode; /* always more restrictive */ |
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if (mod == stbuf.st_mode) |
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if (mod == (stbuf.st_mode & 0777)) |
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return(-1); /* already set */ |
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/* else change it */ |
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if (fchmod(fd, mod) < 0) { |
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endtime = starttime + vflt(TIME)*3600. + .5; |
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/* start rtrace */ |
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if (ncprocs > 0) { |
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i = start_rtrace(); |
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totqlen = i = start_rtrace(); |
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if (i < 1) |
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error(USER, "cannot start rtrace process(es)"); |
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if (vdef(REPORT)) { /* make first report */ |
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freepacks = (PACKET *)bmalloc(i*sizeof(PACKET)); |
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if (freepacks == NULL) |
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goto memerr; |
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if (!(avgqlen = i/nprocs)) /* record mean queue length */ |
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avgqlen = 1; |
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freepacks[--i].nr = 0; |
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freepacks[i].next = NULL; |
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if (!vdef(OBSTRUCTIONS) || !vbool(OBSTRUCTIONS)) { |
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report(t); |
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/* figure out good packet size */ |
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#if MAXQTIME |
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pksiz = nraysdone*MAXQTIME/(avgqlen*(t - starttime + 1L)); |
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pksiz = nraysdone*MAXQTIME/(totqlen*(t - starttime + 1L)); |
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if (pksiz < 1) |
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pksiz = 1; |
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else if (pksiz > RPACKSIZ) |
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extern char *atos(); |
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register int i; |
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int n; |
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double len[3], maxlen, d; |
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double len[3], d; |
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char buf[64]; |
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if (!vdef(SECTION)) { |
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&gp->xv[2][0], &gp->xv[2][1], &gp->xv[2][2], |
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&gp->grid[0], &gp->grid[1], &gp->grid[2]) < 12) |
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badvalue(SECTION); |
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maxlen = 0.; |
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for (i = 0; i < 3; i++) |
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if ((len[i] = VLEN(gp->xv[i])) > maxlen) |
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maxlen = len[i]; |
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if (!vdef(GRID)) |
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d = 0.125*maxlen; |
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else if ((d = vflt(GRID)) <= FTINY) |
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len[i] = VLEN(gp->xv[i]); |
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if (!vdef(GRID)) { |
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d = 2/5e5*( len[0]*len[0]*(len[1]*len[1] + |
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len[2]*len[2] + 4*len[1]*len[2]) |
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+ len[1]*len[1]*len[2]*(len[2] + 4*len[0]) |
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+ 4*len[0]*len[1]*len[2]*len[2] ); |
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d = sqrt(sqrt(d)); |
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} else if ((d = vflt(GRID)) <= FTINY) |
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badvalue(GRID); |
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for (i = 0; i < 3; i++) |
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if (gp->grid[i] <= 0) |
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p->next = freepacks; /* push onto free list */ |
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freepacks = p; |
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} |
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if (n2flush > 300/MAXQTIME*avgqlen*nprocs) { |
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if (n2flush > 300/MAXQTIME*totqlen) { |
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hdflush(NULL); /* flush holodeck buffers */ |
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n2flush = 0; |
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} |