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/* Copyright (c) 1997 Silicon Graphics, Inc. */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ SGI"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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|
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/* |
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* Routines for tracking beam compuatations |
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*/ |
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#include "rholo.h" |
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|
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#ifndef NFRAG2CHUNK |
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#define NFRAG2CHUNK 4096 /* number of fragments to start chunking */ |
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#endif |
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|
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#ifndef MAXADISK |
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#define MAXADISK 10240. /* maximum holodeck size (Megs) for ambient */ |
16 |
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#endif |
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|
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#ifndef abs |
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#define abs(x) ((x) > 0 ? (x) : -(x)) |
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#endif |
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#ifndef sgn |
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#define sgn(x) ((x) > 0 ? 1 : (x) < 0 ? -1 : 0) |
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#endif |
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|
25 |
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#define rchunk(n) (((n)+(RPACKSIZ/2))/RPACKSIZ) |
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|
27 |
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int chunkycmp = 0; /* clump beams together on disk */ |
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|
29 |
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static PACKHEAD *complist=NULL; /* list of beams to compute */ |
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static int complen=0; /* length of complist */ |
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static int listpos=0; /* current list position for next_packet */ |
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static int lastin= -1; /* last ordered position in list */ |
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|
34 |
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static void sortcomplist(void); |
35 |
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static void mergeclists(PACKHEAD *cdest, PACKHEAD *cl1, int n1, PACKHEAD *cl2, int n2); |
36 |
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static void view_list(FILE *fp); |
37 |
+ |
static void ambient_list(void); |
38 |
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static double beamvolume(HOLO *hp, int bi); |
39 |
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static void dispbeam(BEAM *b, HDBEAMI *hb); |
40 |
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|
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int |
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< |
beamcmp(b0, b1) /* comparison for descending compute order */ |
43 |
< |
register PACKHEAD *b0, *b1; |
41 |
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|
42 |
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|
43 |
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static int |
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beamcmp(b0, b1) /* comparison for compute order */ |
45 |
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PACKHEAD *b0, *b1; |
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{ |
47 |
< |
return( b1->nr*(b0->nc+1) - b0->nr*(b1->nc+1) ); |
47 |
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BEAMI *bip0, *bip1; |
48 |
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long c; |
49 |
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/* first check desired quantities */ |
50 |
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if (chunkycmp) |
51 |
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c = rchunk(b1->nr)*(rchunk(b0->nc)+1L) - |
52 |
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rchunk(b0->nr)*(rchunk(b1->nc)+1L); |
53 |
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else |
54 |
> |
c = b1->nr*(b0->nc+1L) - b0->nr*(b1->nc+1L); |
55 |
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if (c > 0) return(1); |
56 |
> |
if (c < 0) return(-1); |
57 |
> |
/* only one file, so skip the following: */ |
58 |
> |
#if 0 |
59 |
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/* next, check file descriptors */ |
60 |
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c = hdlist[b0->hd]->fd - hdlist[b1->hd]->fd; |
61 |
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if (c) return(c); |
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#endif |
63 |
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/* finally, check file positions */ |
64 |
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bip0 = &hdlist[b0->hd]->bi[b0->bi]; |
65 |
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bip1 = &hdlist[b1->hd]->bi[b1->bi]; |
66 |
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/* put diskless beams last */ |
67 |
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if (!bip0->nrd) |
68 |
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return(bip1->nrd > 0); |
69 |
> |
if (!bip1->nrd) |
70 |
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return(-1); |
71 |
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c = bip0->fo - bip1->fo; |
72 |
> |
return(c < 0 ? -1 : c > 0); |
73 |
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} |
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|
75 |
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|
76 |
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int |
77 |
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dispbeam(b, hp, bi) /* display a holodeck beam */ |
78 |
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register BEAM *b; |
33 |
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HOLO *hp; |
34 |
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int bi; |
77 |
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beamidcmp(b0, b1) /* comparison for beam searching */ |
78 |
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PACKHEAD *b0, *b1; |
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{ |
80 |
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int c = b0->hd - b1->hd; |
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|
82 |
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if (c) return(c); |
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return(b0->bi - b1->bi); |
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} |
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|
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|
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static void |
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dispbeam( /* display a holodeck beam */ |
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BEAM *b, |
90 |
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HDBEAMI *hb |
91 |
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) |
92 |
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{ |
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static int n = 0; |
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static PACKHEAD *p = NULL; |
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|
98 |
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if (b->nrm > n) { /* (re)allocate packet holder */ |
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n = b->nrm; |
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if (p == NULL) p = (PACKHEAD *)malloc(packsiz(n)); |
101 |
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else p = (PACKHEAD *)realloc((char *)p, packsiz(n)); |
102 |
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if (p == NULL) |
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error(SYSTEM, "out of memory in dispbeam"); |
101 |
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else p = (PACKHEAD *)realloc((void *)p, packsiz(n)); |
102 |
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CHECK(p==NULL, SYSTEM, "out of memory in dispbeam"); |
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} |
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/* assign packet fields */ |
105 |
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bcopy((char *)hdbray(b), (char *)packra(p), b->nrm*sizeof(RAYVAL)); |
105 |
> |
memcpy((void *)packra(p), (void *)hdbray(b), b->nrm*sizeof(RAYVAL)); |
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p->nr = p->nc = b->nrm; |
107 |
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for (p->hd = 0; hdlist[p->hd] != hp; p->hd++) |
107 |
> |
for (p->hd = 0; hdlist[p->hd] != hb->h; p->hd++) |
108 |
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if (hdlist[p->hd] == NULL) |
109 |
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error(CONSISTENCY, "unregistered holodeck in dispbeam"); |
110 |
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p->bi = bi; |
110 |
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p->bi = hb->b; |
111 |
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disp_packet(p); /* display it */ |
112 |
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if (n >= 1024) { /* free ridiculous packets */ |
113 |
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free((void *)p); |
114 |
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p = NULL; n = 0; |
115 |
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} |
116 |
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} |
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|
118 |
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|
119 |
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bundle_set(op, clist, nents) /* bundle set operation */ |
120 |
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int op; |
121 |
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register PACKHEAD *clist; |
122 |
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int nents; |
119 |
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void |
120 |
> |
bundle_set( /* bundle set operation */ |
121 |
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int op, |
122 |
> |
PACKHEAD *clist, |
123 |
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int nents |
124 |
> |
) |
125 |
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{ |
126 |
< |
register int i, n; |
127 |
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|
126 |
> |
int oldnr, n; |
127 |
> |
HDBEAMI *hbarr; |
128 |
> |
PACKHEAD *csm; |
129 |
> |
int i; |
130 |
> |
/* search for common members */ |
131 |
> |
for (csm = clist+nents; csm-- > clist; ) |
132 |
> |
csm->nc = -1; |
133 |
> |
qsort((void *)clist, nents, sizeof(PACKHEAD), beamidcmp); |
134 |
> |
for (i = 0; i < complen; i++) { |
135 |
> |
csm = (PACKHEAD *)bsearch((void *)(complist+i), (void *)clist, |
136 |
> |
nents, sizeof(PACKHEAD), beamidcmp); |
137 |
> |
if (csm == NULL) |
138 |
> |
continue; |
139 |
> |
oldnr = complist[i].nr; |
140 |
> |
csm->nc = complist[i].nc; |
141 |
> |
switch (op) { |
142 |
> |
case BS_ADD: /* add to count */ |
143 |
> |
complist[i].nr += csm->nr; |
144 |
> |
csm->nr = 0; |
145 |
> |
break; |
146 |
> |
case BS_MAX: /* maximum of counts */ |
147 |
> |
if (csm->nr > complist[i].nr) |
148 |
> |
complist[i].nr = csm->nr; |
149 |
> |
csm->nr = 0; |
150 |
> |
break; |
151 |
> |
case BS_ADJ: /* reset count */ |
152 |
> |
complist[i].nr = csm->nr; |
153 |
> |
csm->nr = 0; |
154 |
> |
break; |
155 |
> |
case BS_DEL: /* delete count */ |
156 |
> |
if (csm->nr == 0 || csm->nr >= complist[i].nr) |
157 |
> |
complist[i].nr = 0; |
158 |
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else |
159 |
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complist[i].nr -= csm->nr; |
160 |
> |
break; |
161 |
> |
} |
162 |
> |
if (complist[i].nr != oldnr) |
163 |
> |
lastin = -1; /* flag sort */ |
164 |
> |
} |
165 |
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/* record computed rays for uncommon beams */ |
166 |
> |
for (csm = clist+nents; csm-- > clist; ) |
167 |
> |
if (csm->nc < 0) |
168 |
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csm->nc = bnrays(hdlist[csm->hd], csm->bi); |
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> |
/* complete list operations */ |
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switch (op) { |
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case BS_NEW: /* new computation set */ |
172 |
< |
if (complen) |
173 |
< |
free((char *)complist); |
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if (nents <= 0) { |
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complist = NULL; |
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listpos = complen = 0; |
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lastin = -1; |
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listpos = 0; lastin = -1; |
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if (complen) /* free old list */ |
174 |
> |
free((void *)complist); |
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complist = NULL; |
176 |
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if (!(complen = nents)) |
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return; |
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} |
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complist = (PACKHEAD *)malloc(nents*sizeof(PACKHEAD)); |
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if (complist == NULL) |
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goto memerr; |
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< |
bcopy((char *)clist, (char *)complist, nents*sizeof(PACKHEAD)); |
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< |
complen = nents; /* finish initialization below */ |
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> |
memcpy((void *)complist, (void *)clist, nents*sizeof(PACKHEAD)); |
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break; |
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case BS_ADD: /* add to computation set */ |
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+ |
case BS_MAX: /* maximum of quantities */ |
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case BS_ADJ: /* adjust set quantities */ |
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if (nents <= 0) |
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return; |
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< |
/* merge any common members */ |
189 |
< |
for (n = 0; n < nents; n++) { |
88 |
< |
for (i = 0; i < complen; i++) |
89 |
< |
if (clist[n].bi == complist[i].bi && |
90 |
< |
clist[n].hd == complist[i].hd) { |
91 |
< |
int oldnr = complist[i].nr; |
92 |
< |
if (op == BS_ADD) |
93 |
< |
complist[i].nr += clist[n].nr; |
94 |
< |
else /* op == BS_ADJ */ |
95 |
< |
complist[i].nr = clist[n].nr; |
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< |
clist[n].nr = 0; |
97 |
< |
clist[n].nc = complist[i].nc; |
98 |
< |
if (complist[i].nr != oldnr) |
99 |
< |
lastin = -1; /* flag sort */ |
100 |
< |
break; |
101 |
< |
} |
102 |
< |
if (i >= complen) |
103 |
< |
clist[n].nc = bnrays(hdlist[clist[n].hd], |
104 |
< |
clist[n].bi); |
105 |
< |
} |
106 |
< |
/* sort updated list */ |
107 |
< |
sortcomplist(); |
108 |
< |
/* sort new entries */ |
109 |
< |
qsort((char *)clist, nents, sizeof(PACKHEAD), beamcmp); |
188 |
> |
sortcomplist(); /* sort updated list & new entries */ |
189 |
> |
qsort((void *)clist, nents, sizeof(PACKHEAD), beamcmp); |
190 |
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/* what can't we satisfy? */ |
191 |
< |
for (n = 0; n < nents && clist[n].nr > clist[n].nc; n++) |
191 |
> |
for (i = nents, csm = clist; i-- && csm->nr > csm->nc; csm++) |
192 |
|
; |
193 |
< |
if (op == BS_ADJ) |
194 |
< |
nents = n; |
193 |
> |
n = csm - clist; |
194 |
> |
if (op != BS_ADD) { /* don't regenerate adjusted beams */ |
195 |
> |
for (++i; i-- && csm->nr > 0; csm++) |
196 |
> |
; |
197 |
> |
nents = csm - clist; |
198 |
> |
} |
199 |
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if (n) { /* allocate space for merged list */ |
200 |
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PACKHEAD *newlist; |
201 |
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newlist = (PACKHEAD *)malloc( |
205 |
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/* merge lists */ |
206 |
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mergeclists(newlist, clist, n, complist, complen); |
207 |
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if (complen) |
208 |
< |
free((char *)complist); |
208 |
> |
free((void *)complist); |
209 |
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complist = newlist; |
210 |
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complen += n; |
211 |
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} |
213 |
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lastin = complen-1; /* list is now sorted */ |
214 |
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break; |
215 |
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case BS_DEL: /* delete from computation set */ |
216 |
< |
if (nents <= 0) |
133 |
< |
return; |
134 |
< |
/* find each member */ |
135 |
< |
for (i = 0; i < complen; i++) |
136 |
< |
for (n = 0; n < nents; n++) |
137 |
< |
if (clist[n].bi == complist[i].bi && |
138 |
< |
clist[n].hd == complist[i].hd) { |
139 |
< |
if (clist[n].nr == 0 || |
140 |
< |
clist[n].nr >= complist[i].nr) |
141 |
< |
complist[i].nr = 0; |
142 |
< |
else |
143 |
< |
complist[i].nr -= clist[n].nr; |
144 |
< |
lastin = -1; /* flag full sort */ |
145 |
< |
break; |
146 |
< |
} |
147 |
< |
return; /* no display */ |
216 |
> |
return; /* already done */ |
217 |
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default: |
218 |
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error(CONSISTENCY, "bundle_set called with unknown operation"); |
219 |
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} |
220 |
< |
if (outdev != NULL) { /* load and display beams we have */ |
221 |
< |
register HDBEAMI *hb; |
222 |
< |
|
223 |
< |
hb = (HDBEAMI *)malloc(nents*sizeof(HDBEAMI)); |
224 |
< |
for (i = 0; i < nents; i++) { |
225 |
< |
hb[i].h = hdlist[clist[i].hd]; |
226 |
< |
hb[i].b = clist[i].bi; |
158 |
< |
} |
159 |
< |
hdloadbeams(hb, nents, dispbeam); |
160 |
< |
free((char *)hb); |
220 |
> |
if (outdev == NULL || !nents) /* nothing to display? */ |
221 |
> |
return; |
222 |
> |
/* load and display beams we have */ |
223 |
> |
hbarr = (HDBEAMI *)malloc(nents*sizeof(HDBEAMI)); |
224 |
> |
for (i = nents; i--; ) { |
225 |
> |
hbarr[i].h = hdlist[clist[i].hd]; |
226 |
> |
hbarr[i].b = clist[i].bi; |
227 |
|
} |
228 |
< |
if (op == BS_NEW) { |
229 |
< |
done_packets(flush_queue()); /* empty queue, so we can... */ |
230 |
< |
for (i = 0; i < complen; i++) /* ...get number computed */ |
165 |
< |
complist[i].nc = bnrays(hdlist[complist[i].hd], |
166 |
< |
complist[i].bi); |
228 |
> |
hdloadbeams(hbarr, nents, dispbeam); |
229 |
> |
free((void *)hbarr); |
230 |
> |
if (hdfragflags&FF_READ) { |
231 |
|
listpos = 0; |
232 |
< |
lastin = -1; /* flag for initial sort */ |
232 |
> |
lastin = -1; /* need to re-sort list */ |
233 |
|
} |
234 |
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return; |
235 |
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memerr: |
237 |
|
} |
238 |
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|
239 |
|
|
240 |
< |
double |
241 |
< |
beamvolume(hp, bi) /* compute approximate volume of a beam */ |
242 |
< |
HOLO *hp; |
243 |
< |
int bi; |
240 |
> |
static double |
241 |
> |
beamvolume( /* compute approximate volume of a beam */ |
242 |
> |
HOLO *hp, |
243 |
> |
int bi |
244 |
> |
) |
245 |
|
{ |
246 |
|
GCOORD gc[2]; |
247 |
|
FVECT cp[4], edgeA, edgeB, cent[2]; |
248 |
< |
FVECT v, crossp[2], diffv; |
248 |
> |
FVECT crossp[2], diffv; |
249 |
|
double vol[2]; |
250 |
< |
register int i; |
250 |
> |
int i; |
251 |
|
/* get grid coordinates */ |
252 |
|
if (!hdbcoord(gc, hp, bi)) |
253 |
|
error(CONSISTENCY, "bad beam index in beamvolume"); |
256 |
|
VSUM(edgeA, cp[1], cp[0], -1.0); |
257 |
|
VSUM(edgeB, cp[3], cp[1], -1.0); |
258 |
|
fcross(crossp[i], edgeA, edgeB); |
194 |
– |
VSUM(edgeA, cp[2], cp[3], -1.0); |
195 |
– |
VSUM(edgeB, cp[0], cp[2], -1.0); |
196 |
– |
fcross(v, edgeA, edgeB); |
197 |
– |
VSUM(crossp[i], crossp[i], v, 1.0); |
259 |
|
/* compute center */ |
260 |
|
cent[i][0] = 0.5*(cp[0][0] + cp[2][0]); |
261 |
|
cent[i][1] = 0.5*(cp[0][1] + cp[2][1]); |
264 |
|
/* compute difference vector */ |
265 |
|
VSUM(diffv, cent[1], cent[0], -1.0); |
266 |
|
for (i = 0; i < 2; i++) { /* compute volume contributions */ |
267 |
< |
vol[i] = 0.25*DOT(crossp[i], diffv); |
267 |
> |
vol[i] = 0.5*DOT(crossp[i], diffv); |
268 |
|
if (vol[i] < 0.) vol[i] = -vol[i]; |
269 |
|
} |
270 |
|
return(vol[0] + vol[1]); /* return total volume */ |
271 |
|
} |
272 |
|
|
273 |
|
|
274 |
< |
init_global() /* initialize global ray computation */ |
274 |
> |
static void |
275 |
> |
ambient_list(void) /* compute ambient beam list */ |
276 |
|
{ |
277 |
< |
long wtotal = 0; |
277 |
> |
unsigned long wtotal; |
278 |
> |
int32 minrt; |
279 |
|
double frac; |
280 |
|
int i; |
281 |
< |
register int j, k; |
282 |
< |
/* free old list */ |
220 |
< |
if (complen > 0) |
221 |
< |
free((char *)complist); |
222 |
< |
/* allocate beam list */ |
281 |
> |
int j, k; |
282 |
> |
|
283 |
|
complen = 0; |
284 |
|
for (j = 0; hdlist[j] != NULL; j++) |
285 |
|
complen += nbeams(hdlist[j]); |
286 |
|
complist = (PACKHEAD *)malloc(complen*sizeof(PACKHEAD)); |
287 |
< |
if (complist == NULL) |
228 |
< |
error(SYSTEM, "out of memory in init_global"); |
287 |
> |
CHECK(complist==NULL, SYSTEM, "out of memory in ambient_list"); |
288 |
|
/* compute beam weights */ |
289 |
< |
k = 0; |
289 |
> |
k = 0; wtotal = 0; |
290 |
|
for (j = 0; hdlist[j] != NULL; j++) { |
291 |
< |
frac = 512. * hdlist[j]->wg[0] * |
292 |
< |
hdlist[j]->wg[1] * hdlist[j]->wg[2]; |
291 |
> |
/* 512. arbitrary -- adjusted below */ |
292 |
> |
frac = 512. * VLEN(hdlist[j]->wg[0]) * |
293 |
> |
VLEN(hdlist[j]->wg[1]) * |
294 |
> |
VLEN(hdlist[j]->wg[2]); |
295 |
|
for (i = nbeams(hdlist[j]); i > 0; i--) { |
296 |
|
complist[k].hd = j; |
297 |
|
complist[k].bi = i; |
298 |
|
complist[k].nr = frac*beamvolume(hdlist[j], i) + 0.5; |
299 |
+ |
complist[k].nc = bnrays(hdlist[j], i); |
300 |
|
wtotal += complist[k++].nr; |
301 |
|
} |
302 |
|
} |
303 |
< |
/* adjust weights */ |
303 |
> |
/* adjust sample weights */ |
304 |
|
if (vdef(DISKSPACE)) |
305 |
|
frac = 1024.*1024.*vflt(DISKSPACE) / (wtotal*sizeof(RAYVAL)); |
306 |
|
else |
307 |
< |
frac = 1024.*1024.*16384. / (wtotal*sizeof(RAYVAL)); |
308 |
< |
while (k--) |
309 |
< |
complist[k].nr = frac * complist[k].nr; |
307 |
> |
frac = 1024.*1024.*MAXADISK / (wtotal*sizeof(RAYVAL)); |
308 |
> |
minrt = .02*frac*wtotal/complen + 1.1; /* heuristic mimimum */ |
309 |
> |
if (minrt > RPACKSIZ) |
310 |
> |
minrt = RPACKSIZ; |
311 |
> |
for (k = complen; k--; ) |
312 |
> |
if ((complist[k].nr = frac*complist[k].nr + 0.5) < minrt) |
313 |
> |
complist[k].nr = minrt; |
314 |
|
listpos = 0; lastin = -1; /* flag initial sort */ |
315 |
|
} |
316 |
|
|
317 |
|
|
318 |
< |
mergeclists(cdest, cl1, n1, cl2, n2) /* merge two sorted lists */ |
319 |
< |
PACKHEAD *cdest; |
320 |
< |
PACKHEAD *cl1, *cl2; |
321 |
< |
int n1, n2; |
318 |
> |
static void |
319 |
> |
view_list( /* assign beam priority from view list */ |
320 |
> |
FILE *fp |
321 |
> |
) |
322 |
|
{ |
323 |
+ |
double pa = 1.; |
324 |
+ |
VIEW curview; |
325 |
+ |
int xr, yr; |
326 |
+ |
char *err; |
327 |
+ |
BEAMLIST blist; |
328 |
+ |
|
329 |
+ |
curview = stdview; |
330 |
+ |
while (nextview(&curview, fp) != EOF) { |
331 |
+ |
if ((err = setview(&curview)) != NULL) { |
332 |
+ |
error(WARNING, err); |
333 |
+ |
continue; |
334 |
+ |
} |
335 |
+ |
xr = yr = 1024; |
336 |
+ |
normaspect(viewaspect(&curview), &pa, &xr, &yr); |
337 |
+ |
viewbeams(&curview, xr, yr, &blist); |
338 |
+ |
bundle_set(BS_MAX, blist.bl, blist.nb); |
339 |
+ |
free((void *)blist.bl); |
340 |
+ |
} |
341 |
+ |
} |
342 |
+ |
|
343 |
+ |
|
344 |
+ |
void |
345 |
+ |
init_global(void) /* initialize global ray computation */ |
346 |
+ |
{ |
347 |
+ |
/* free old list and empty queue */ |
348 |
+ |
if (complen > 0) { |
349 |
+ |
free((void *)complist); |
350 |
+ |
done_packets(flush_queue()); |
351 |
+ |
} |
352 |
+ |
/* reseed random number generator */ |
353 |
+ |
srandom(time(NULL)); |
354 |
+ |
/* allocate beam list */ |
355 |
+ |
if (readinp) |
356 |
+ |
view_list(stdin); |
357 |
+ |
else |
358 |
+ |
ambient_list(); |
359 |
+ |
/* no view vicinity */ |
360 |
+ |
myeye.rng = 0; |
361 |
+ |
} |
362 |
+ |
|
363 |
+ |
|
364 |
+ |
static void |
365 |
+ |
mergeclists( /* merge two sorted lists */ |
366 |
+ |
PACKHEAD *cdest, |
367 |
+ |
PACKHEAD *cl1, |
368 |
+ |
int n1, |
369 |
+ |
PACKHEAD *cl2, |
370 |
+ |
int n2 |
371 |
+ |
) |
372 |
+ |
{ |
373 |
|
int cmp; |
374 |
|
|
375 |
|
while (n1 | n2) { |
377 |
|
else if (!n2) cmp = -1; |
378 |
|
else cmp = beamcmp(cl1, cl2); |
379 |
|
if (cmp > 0) { |
380 |
< |
copystruct(cdest, cl2); |
380 |
> |
*cdest = *cl2; |
381 |
|
cl2++; n2--; |
382 |
|
} else { |
383 |
< |
copystruct(cdest, cl1); |
383 |
> |
*cdest = *cl1; |
384 |
|
cl1++; n1--; |
385 |
|
} |
386 |
|
cdest++; |
388 |
|
} |
389 |
|
|
390 |
|
|
391 |
< |
sortcomplist() /* fix our list order */ |
391 |
> |
static void |
392 |
> |
sortcomplist(void) /* fix our list order */ |
393 |
|
{ |
394 |
|
PACKHEAD *list2; |
395 |
< |
register int i; |
395 |
> |
int listlen; |
396 |
> |
int i; |
397 |
|
|
398 |
|
if (complen <= 0) /* check to see if there is even a list */ |
399 |
|
return; |
400 |
+ |
if (!chunkycmp) /* check to see if fragment list is full */ |
401 |
+ |
if (!hdfragOK(hdlist[0]->fd, &listlen, NULL) |
402 |
+ |
#if NFRAG2CHUNK |
403 |
+ |
|| listlen >= NFRAG2CHUNK |
404 |
+ |
#endif |
405 |
+ |
) { |
406 |
+ |
chunkycmp++; /* use "chunky" comparison */ |
407 |
+ |
lastin = -1; /* need to re-sort list */ |
408 |
+ |
#ifdef DEBUG |
409 |
+ |
error(WARNING, "using chunky comparison mode"); |
410 |
+ |
#endif |
411 |
+ |
} |
412 |
|
if (lastin < 0 || listpos*4 >= complen*3) |
413 |
< |
qsort((char *)complist, complen, sizeof(PACKHEAD), beamcmp); |
413 |
> |
qsort((void *)complist, complen, sizeof(PACKHEAD), beamcmp); |
414 |
|
else if (listpos) { /* else sort and merge sublist */ |
415 |
|
list2 = (PACKHEAD *)malloc(listpos*sizeof(PACKHEAD)); |
416 |
< |
if (list2 == NULL) |
417 |
< |
error(SYSTEM, "out of memory in sortcomplist"); |
418 |
< |
bcopy((char *)complist,(char *)list2,listpos*sizeof(PACKHEAD)); |
289 |
< |
qsort((char *)list2, listpos, sizeof(PACKHEAD), beamcmp); |
416 |
> |
CHECK(list2==NULL, SYSTEM, "out of memory in sortcomplist"); |
417 |
> |
memcpy((void *)list2,(void *)complist,listpos*sizeof(PACKHEAD)); |
418 |
> |
qsort((void *)list2, listpos, sizeof(PACKHEAD), beamcmp); |
419 |
|
mergeclists(complist, list2, listpos, |
420 |
|
complist+listpos, complen-listpos); |
421 |
< |
free((char *)list2); |
421 |
> |
free((void *)list2); |
422 |
|
} |
423 |
|
/* drop satisfied requests */ |
424 |
|
for (i = complen; i-- && complist[i].nr <= complist[i].nc; ) |
425 |
|
; |
426 |
|
if (i < 0) { |
427 |
< |
free((char *)complist); |
427 |
> |
free((void *)complist); |
428 |
|
complist = NULL; |
429 |
|
complen = 0; |
430 |
|
} else if (i < complen-1) { |
431 |
< |
list2 = (PACKHEAD *)realloc((char *)complist, |
431 |
> |
list2 = (PACKHEAD *)realloc((void *)complist, |
432 |
|
(i+1)*sizeof(PACKHEAD)); |
433 |
< |
if (list2 != NULL) { |
433 |
> |
if (list2 != NULL) |
434 |
|
complist = list2; |
435 |
< |
complen = i+1; |
307 |
< |
} |
435 |
> |
complen = i+1; |
436 |
|
} |
437 |
|
listpos = 0; lastin = i; |
438 |
|
} |
443 |
|
* more or less evenly distributed, such that computing a packet causes |
444 |
|
* a given bundle to move way down in the computation order. We keep |
445 |
|
* track of where the computed bundle with the highest priority would end |
446 |
< |
* up, and if we get further in our compute list than this, we resort the |
446 |
> |
* up, and if we get further in our compute list than this, we re-sort the |
447 |
|
* list and start again from the beginning. Since |
448 |
|
* a merge sort is used, the sorting costs are minimal. |
449 |
|
*/ |
450 |
< |
next_packet(p) /* prepare packet for computation */ |
451 |
< |
register PACKET *p; |
450 |
> |
int |
451 |
> |
next_packet( /* prepare packet for computation */ |
452 |
> |
PACKET *p, |
453 |
> |
int n |
454 |
> |
) |
455 |
|
{ |
325 |
– |
register int i; |
326 |
– |
|
456 |
|
if (listpos > lastin) /* time to sort the list */ |
457 |
|
sortcomplist(); |
458 |
|
if (complen <= 0) |
463 |
|
p->nr = complist[listpos].nr - p->nc; |
464 |
|
if (p->nr <= 0) |
465 |
|
return(0); |
466 |
< |
if (p->nr > RPACKSIZ) |
467 |
< |
p->nr = RPACKSIZ; |
466 |
> |
DCHECK(n < 1 | n > RPACKSIZ, |
467 |
> |
CONSISTENCY, "next_packet called with bad n value"); |
468 |
> |
if (p->nr > n) |
469 |
> |
p->nr = n; |
470 |
|
complist[listpos].nc += p->nr; /* find where this one would go */ |
471 |
+ |
if (hdgetbeam(hdlist[p->hd], p->bi) != NULL) |
472 |
+ |
hdfreefrag(hdlist[p->hd], p->bi); |
473 |
|
while (lastin > listpos && |
474 |
|
beamcmp(complist+lastin, complist+listpos) > 0) |
475 |
|
lastin--; |