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root/Development/ray/src/rt/RcontribSimulManager.cpp

Comparing ray/src/rt/RcontribSimulManager.cpp (file contents):
Revision 2.11 by greg, Thu Jan 2 16:16:49 2025 UTC vs.
Revision 2.17 by greg, Thu Oct 23 16:33:39 2025 UTC

#	Line 52 | Line 52 | struct RowAssignment {
52		uint32                  ac;             // accumulation count
53		};
54
55	<	// Get format identifier
56	<	const char *
57	<	formstr(int f)
58	<	{
59	<	switch (f) {
60	<	case 'a': return("ascii");
61	<	case 'f': return("float");
62	<	case 'd': return("double");
63	<	case 'c': return(NCSAMP==3 ? COLRFMT : SPECFMT);
64	<	}
65	<	return("unknown");
66	<	}
55	>	static const char       ROW_DONE[] = "ROW FINISHED\n";
56
57	<	// Our default data share function
58	<	RdataShare *
70	<	defDataShare(const char *name, RCOutputOp op, size_t siz)
71	<	{
72	<	return new RdataShareMap(name, RSDOflags[op], siz);
73	<	}
74	<
75	<	// Allocate rcontrib accumulator
76	<	RcontribMod *
57	>	// allocate rcontrib accumulator
58	>	static RcontribMod *
59		NewRcMod(const char *prms, const char *binexpr, int ncbins)
60		{
61	+	if (binexpr && !*binexpr) binexpr = NULL;
62		if (!prms) prms = "";
63		if ((ncbins > 1) & !binexpr) {
64		error(USER, "missing bin expression");
#	Line 110 | Line 93 | NewRcMod(const char *prms, const char *binexpr, int nc
93		return mp;
94		}
95
96	<	// Free an RcontribMod
96	>	// Free an RcontribMod (public for RcontribSimulManager constructor)
97		void
98		FreeRcMod(void *p)
99		{
#	Line 120 | Line 103 | FreeRcMod(void *p)
103		efree(p);
104		}
105
106	+	// Get format identifier
107	+	const char *
108	+	formstr(int f)
109	+	{
110	+	switch (f) {
111	+	case 'a': return("ascii");
112	+	case 'f': return("float");
113	+	case 'd': return("double");
114	+	case 'c': return(NCSAMP==3 ? COLRFMT : SPECFMT);
115	+	}
116	+	return("unknown");
117	+	}
118	+
119	+	// Standard file data share function
120	+	RdataShare *
121	+	fileDataShare(const char *name, RCOutputOp op, size_t siz)
122	+	{
123	+	return new RdataShareFile(name, RSDOflags[op], siz);
124	+	}
125	+
126	+	// Memory-mapped data share function
127	+	RdataShare *
128	+	mapDataShare(const char *name, RCOutputOp op, size_t siz)
129	+	{
130	+	return new RdataShareMap(name, RSDOflags[op], siz);
131	+	}
132	+
133		// Set output format ('f', 'd', or 'c')
134		bool
135		RcontribSimulManager::SetDataFormat(int ty)
#	Line 215 | Line 225 | RcontribSimulManager::AddModifier(const char *modn, co
225		error(WARNING, "ignoring bad call to AddModifier()");
226		return false;
227		}
228	+	if (*outspec == '!') {
229	+	error(USER, "command output not supported by RcontribSimulManager");
230	+	return false;
231	+	}
232		if (!nChan) {                           // initial call?
233		if ((xres < 0) | (yres <= 0)) {
234		error(USER, "xres, yres must be set before first modifier");
#	Line 602 | Line 616 | putModContrib(const LUENT *lp, void *p)
616		}
617		} break;
618		default:
619	<	error(CONSISTENCY, "unsupported output type in sendModContrib()");
619	>	error(CONSISTENCY, "unsupported output type in putModContrib()");
620		return -1;
621		}
622		// clear for next tally
#	Line 621 | Line 635 | RcontribSimulManager::ComputeRecord(const FVECT orig_d
635		return 0;
636		}
637		if (nkids > 0) {                        // in parent process?
638	<	int     k = GetChild();         // updates output rows
639	<	if (k < 0) return -1;           // can't really happen
638	>	int     k = GetChild(false);    // updates output rows
639	>	if (k < 0) return -1;           // someone died?
640		RowAssignment   rass;
641		rass.row = kidRow[k] = rInPos++;
642		rass.ac = accum;
#	Line 667 | Line 681 | RcontribSimulManager::GetChild(bool forceWait)
681		return -1;
682		// take inventory
683		int     pn, n = 0;
684	<	fd_set  writeset, errset;
685	<	FD_ZERO(&writeset); FD_ZERO(&errset);
684	>	fd_set  readset, errset;
685	>	FD_ZERO(&readset); FD_ZERO(&errset);
686		for (pn = nkids; pn--; ) {
687		if (kidRow[pn] < 0) {           // child already ready?
688		if (forceWait) continue;
689		return pn;              // good enough
690		}
691	<	FD_SET(kid[pn].w, &writeset);   // will check on this one
692	<	FD_SET(kid[pn].w, &errset);
693	<	if (kid[pn].w >= n)
694	<	n = kid[pn].w + 1;
691	>	FD_SET(kid[pn].r, &readset);    // will check on this one
692	>	FD_SET(kid[pn].r, &errset);
693	>	if (kid[pn].r >= n)
694	>	n = kid[pn].r + 1;
695		}
696		if (!n)                                 // every child is idle?
697		return -1;
698		// wait on "busy" child(ren)
699	<	while ((n = select(n, NULL, &writeset, &errset, NULL)) <= 0)
699	>	while ((n = select(n, &readset, NULL, &errset, NULL)) <= 0)
700		if (errno != EINTR) {
701		error(SYSTEM, "select call failed in GetChild()");
702		return -1;
703		}
704	+	char    buf[sizeof(ROW_DONE)] = "X";
705		pn = -1;                                // get flags set by select
706		for (n = nkids; n--; )
707		if (kidRow[n] >= 0 &&
708	<	FD_ISSET(kid[n].w, &writeset) |
709	<	FD_ISSET(kid[n].w, &errset)) {
708	>	FD_ISSET(kid[n].r, &readset) |
709	>	FD_ISSET(kid[n].r, &errset)) {
710	>	// check for error
711	>	if (FD_ISSET(kid[n].r, &errset) ||
712	>	read(kid[n].r, buf, sizeof(ROW_DONE)) <= 0 ||
713	>	memcmp(buf, ROW_DONE, sizeof(ROW_DONE)))
714	>	return -1;
715		// update output row counts
716	<	if (!FD_ISSET(kid[n].w, &errset))
717	<	UpdateRowsDone(kidRow[n]);
698	<	kidRow[n] = -1;         // flag it available
716	>	UpdateRowsDone(kidRow[n]);
717	>	kidRow[n] = -1;         // flag child available
718		pn = n;
719		}
720		return pn;
#	Line 733 | Line 752 | RcontribSimulManager::RunChild()
752		error(CONSISTENCY, "bad accumulator count in child");
753		exit(1);
754		}
755	<	if (rass.ac > accum)
756	<	vecList = (FVECT *)erealloc(vecList,
757	<	sizeof(FVECT)*2*rass.ac);
755	>	if (rass.ac > accum) {
756	>	efree(vecList);
757	>	vecList = (FVECT *)emalloc(sizeof(FVECT)*2*rass.ac);
758	>	}
759		accum = rass.ac;
760		rInPos = rass.row;
761
#	Line 745 | Line 765 | RcontribSimulManager::RunChild()
765
766		if (ComputeRecord(vecList) <= 0)
767		exit(1);
768	+	// signal this row is done
769	+	if (write(1, ROW_DONE, sizeof(ROW_DONE)) != sizeof(ROW_DONE))
770	+	exit(1);
771		}
772		if (nr) {
773		error(SYSTEM, "read error in child process");
#	Line 770 | Line 793 | RcontribSimulManager::StartKids(int n2go)
793		fflush(stdout);                         // shouldn't use, anyway
794		while (nkids < n2go) {
795		kid[nkids] = sp_inactive;
773	–	kid[nkids].w = dup(1);
774	–	kid[nkids].flags |= PF_FILT_OUT;
796		int     rv = open_process(&kid[nkids], NULL);
797		if (!rv) {                      // in child process?
798	<	while (nkids-- > 0)
798	>	while (nkids-- > 0) {
799	>	close(kid[nkids].r);
800		close(kid[nkids].w);
801	+	}
802		free(kid); free(kidRow);
803		kid = NULL; kidRow = NULL;
804		RunChild();             // should never return

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