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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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#include <sys/types.h> |
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#include <sys/stat.h> |
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#ifndef MAXQTIME |
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#define MAXQTIME 5 /* target maximum seconds in queue */ |
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#endif |
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/* the following must be consistent with rholo.h */ |
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int NVARS = NRHVARS; /* total number of variables */ |
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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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char *sigerr[NSIG]; /* signal error messages */ |
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char *argv[]; |
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{ |
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int i; |
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/* mark start time */ |
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starttime = time(NULL); |
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|
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initurand(16384); /* initialize urand */ |
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progname = argv[0]; /* get arguments */ |
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for (i = 1; i < argc && argv[i][0] == '-'; i++) |
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} |
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/* check settings */ |
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checkvalues(); |
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/* load RIF if any */ |
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getradfile(); |
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/* load RIF if rtrace */ |
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if (ncprocs) |
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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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maxdisk = 0; |
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else |
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maxdisk = 1024.*1024.*vflt(DISKSPACE); |
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/* record end time */ |
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if (!vdef(TIME) || vflt(TIME) <= FTINY) |
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endtime = 0; |
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else |
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endtime = starttime + vflt(TIME)*3600. + .5; |
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/* set up memory cache */ |
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if (outdev == NULL) |
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hdcachesize = 0; /* manual flushing */ |
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if (*s && freopen(s, "a", stderr) == NULL) |
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quit(2); |
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} |
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/* mark the starting time */ |
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starttime = time(NULL); |
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/* compute end time */ |
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if (!vdef(TIME) || vflt(TIME) <= FTINY) |
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endtime = 0; |
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else |
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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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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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{ |
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static int idle = 0; |
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PACKET *pl = NULL, *plend; |
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int pksiz; |
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register PACKET *p; |
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time_t t; |
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long l; |
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/* check display */ |
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if (nprocs <= 0) |
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idle = 1; |
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done_rtrace(); |
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return(1); /* comes back */ |
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} |
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/* check time */ |
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if (endtime > 0 || reporttime > 0) |
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t = time(NULL); |
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t = time(NULL); /* check time */ |
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if (endtime > 0 && t >= endtime) { |
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error(WARNING, "time limit exceeded"); |
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done_rtrace(); |
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} |
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if (reporttime > 0 && t >= reporttime) |
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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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if (pksiz < 1) |
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pksiz = 1; |
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else if (pksiz > RPACKSIZ) |
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#endif |
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pksiz = RPACKSIZ; |
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idle = 0; /* get packets to process */ |
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while (freepacks != NULL) { |
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p = freepacks; freepacks = p->next; p->next = NULL; |
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if (!next_packet(p)) { |
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if (!next_packet(p, pksiz)) { |
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p->next = freepacks; freepacks = p; |
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idle = 1; |
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break; |
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if (outdev != NULL) /* display it */ |
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disp_packet((PACKHEAD *)p); |
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if (hdcachesize <= 0) /* manual flushing */ |
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n2flush += p->nr; |
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n2flush++; |
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nraysdone += p->nr; |
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npacksdone++; |
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p->nr = 0; |
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} |
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p->nr = 0; /* push onto free list */ |
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p->next = freepacks; |
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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 > 1024*RPACKSIZ*nprocs) { |
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if (n2flush > 300/MAXQTIME*avgqlen*nprocs) { |
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hdflush(NULL); /* flush holodeck buffers */ |
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n2flush = 0; |
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} |