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fix garbage collector and fix LeaveGoal

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git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1945 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
This commit is contained in:
vsc 2007-10-05 18:24:30 +00:00
parent a5406ccc02
commit 642b498728
8 changed files with 35 additions and 15 deletions
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7
C/c_interface.c
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@ -10,8 +10,11 @@
* File: c_interface.c *
* comments: c_interface primitives definition *
* *
* Last rev: $Date: 2007-09-04 10:34:54 $,$Author: vsc $ *
* Last rev: $Date: 2007-10-05 18:24:30 $,$Author: vsc $ *
* $Log: not supported by cvs2svn $
* Revision 1.96 2007/09/04 10:34:54 vsc
* Improve SWI interface emulation.
*
* Revision 1.95 2007/06/04 12:28:01 vsc
* interface speedups
* bad error message in X is foo>>2.
@ -1273,7 +1276,7 @@ YAP_LeaveGoal(int backtrack, YAP_dogoalinfo *dgi)
choiceptr myB;
myB = (choiceptr)(LCL0-dgi->b);
if (B > myB) {
if (B >= myB) {
return FALSE;
}
#ifdef YAPOR

4
C/exec.c
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@ -1989,14 +1989,14 @@ Yap_InitYaamRegs(void)
/* for slots to work */
Yap_StartSlots();
GlobalArena = TermNil;
#if COROUTINING
h0var = MkVarTerm();
#if COROUTINING
DelayedVars = Yap_NewTimedVar(h0var);
WokenGoals = Yap_NewTimedVar(TermNil);
AttsMutableList = Yap_NewTimedVar(h0var);
GlobalDelayArena = TermNil;
#endif
GcGeneration = Yap_NewTimedVar(MkIntTerm(0));
GcGeneration = Yap_NewTimedVar(h0var);
GcCurrentPhase = 0L;
GcPhase = Yap_NewTimedVar(MkIntTerm(GcCurrentPhase));
#if defined(YAPOR) || defined(THREADS)

15
C/heapgc.c
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@ -3065,6 +3065,8 @@ compact_heap(void)
, &depfr
#endif
);
if (GcCalls==355)
fprintf(stderr,"Start=%p,%p %d\n",H-1,H0,H-H0);
for (current = H - 1; current >= start_from; current--) {
if (MARKED_PTR(current)) {
CELL ccell = UNMARK_CELL(*current);
@ -3491,6 +3493,10 @@ compaction_phase(tr_fr_ptr old_TR, CELL *current_env, yamop *curp, CELL *max)
total_marked += total_oldies;
}
} else {
if (GcCalls==355) {
fprintf(stderr,"Start=%p,%pn %ld, %ld\n",H0,HGEN, total_oldies, total_marked);
}
if (HGEN != H0) {
CurrentH0 = H0;
H0 = HGEN;
@ -3682,7 +3688,7 @@ do_gc(Int predarity, CELL *current_env, yamop *nextop)
iptop = (CELL_PTR *)H;
#endif
/* get the number of active registers */
HGEN = H0+IntegerOfTerm(Yap_ReadTimedVar(GcGeneration));
HGEN = VarOfTerm(Yap_ReadTimedVar(GcGeneration));
gc_phase = (UInt)IntegerOfTerm(Yap_ReadTimedVar(GcPhase));
/* old HGEN are not very reliable, but still may have data to recover */
@ -3738,7 +3744,10 @@ do_gc(Int predarity, CELL *current_env, yamop *nextop)
pop_registers(predarity, nextop);
TR = new_TR;
/* fprintf(Yap_stderr,"NEW HGEN %ld (%ld)\n", H-H0, HGEN-H0);*/
Yap_UpdateTimedVar(GcGeneration, MkIntegerTerm(H-H0));
{
Term t = MkVarTerm();
Yap_UpdateTimedVar(GcGeneration, t);
}
Yap_UpdateTimedVar(GcPhase, MkIntegerTerm(GcCurrentPhase));
c_time = Yap_cputime();
if (gc_verbose) {
@ -3830,7 +3839,7 @@ call_gc(UInt gc_lim, Int predarity, CELL *current_env, yamop *nextop)
if (gc_margin < gc_lim)
gc_margin = gc_lim;
GcCalls++;
HGEN = H0+IntegerOfTerm(Yap_ReadTimedVar(GcGeneration));
HGEN = VarOfTerm(Yap_ReadTimedVar(GcGeneration));
if (gc_on && !(Yap_PrologMode & InErrorMode) &&
/* make sure there is a point in collecting the heap */
(ASP-H0)*sizeof(CELL) > gc_lim &&

4
changes-5.1.html
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@ -17,6 +17,10 @@
<h2>Yap-5.1.3:</h2>
<ul>
<li> FIXED: fix YAP_LeaveGoal() (obs from Trevor Walker).</li>
<li> FIXED: gc generation should not be an integer: otherwise it can
be misled by global growth.</li>
<li> FIXED: sub_atom 0 should work.</li>
<li> FIXED: have has table of preds with repeated functors (obs from
Bernd Gutmann).</li>
<li> FIXED: major bugs in encoding support (obs from

9
docs/yap.tex
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@ -9684,15 +9684,14 @@ process. An interface to the @t{getpid} function.
Interface with @var{tmpnam}: create an unique file and unify its name
with @var{File}.
@item
exec(+@var{Command},[+@var{InputStream},+@var{OutputStream},+@var{ErrorStream}],-@var{Status})
@item exec(+@var{Command},[+@var{InputStream},+@var{OutputStream},+@var{ErrorStream}],-@var{PID})
@findex exec/3
@syindex exec/3
@cnindex exec/3
Execute command @var{Command} with its streams connected to
@var{InputStream}, @var{OutputStream}, and @var{ErrorStream}. The result
for the command is returned in @var{Status}. The command is executed by
the default shell @code{bin/sh -c} in Unix.
@var{InputStream}, @var{OutputStream}, and @var{ErrorStream}. The
process that executes the command is returned as @var{PID}. The
command is executed by the default shell @code{bin/sh -c} in Unix.
The following example demonstrates the use of @code{exec/3} to send a
command and process its output:

7
library/system/sys.c
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@ -8,8 +8,11 @@
* *
**************************************************************************
* *
* $Id: sys.c,v 1.32 2007-05-07 12:11:39 vsc Exp $ *
* $Id: sys.c,v 1.33 2007-10-05 18:24:30 vsc Exp $ *
* mods: $Log: not supported by cvs2svn $
* mods: Revision 1.32 2007/05/07 12:11:39 vsc
* mods: fix mktime fix
* mods:
* mods: Revision 1.31 2007/05/07 11:21:29 vsc
* mods: mktime needs to know if daylight time savings are on
* mods: (obs from Bernd Gutmann).
@ -750,7 +753,7 @@ do_shell(void)
strcpy(buf, YAP_AtomName(YAP_AtomOfTerm(YAP_ARG1)));
strcpy(buf, YAP_AtomName(YAP_AtomOfTerm(YAP_ARG2)));
strcpy(buf, " ");
strcpy(bug, YAP_AtomName(YAP_AtomOfTerm(YAP_ARG3)));
strcpy(buf, YAP_AtomName(YAP_AtomOfTerm(YAP_ARG3)));
#endif
sys = system(buf);
YAP_FreeSpaceFromYap(buf);

2
pl/utils.yap
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@ -713,7 +713,7 @@ sub_atom(At, Bef, Size, After, SubAt) :-
Size is Size0+1.
'$sub_atom_needs_int'(V,_) :- var(V), !.
'$sub_atom_needs_int'(I,_) :- integer(I), I > 0, !.
'$sub_atom_needs_int'(I,_) :- integer(I), I >= 0, !.
'$sub_atom_needs_int'(I,ErrorTerm) :- integer(I), !,
'$do_error'(domain_error(not_less_than_zero,I),ErrorTerm).
'$sub_atom_needs_int'(I,ErrorTerm) :-

2
pl/yio.yap
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@ -874,6 +874,8 @@ stream_property(Stream, Props) :-
'$check_stream_props'(Prop, [Prop]).
%
'$process_stream_properties'([], _, _, _).
'$process_stream_properties'([file_name(F)|Props], Stream, F, Mode) :-
'$process_stream_properties'(Props, Stream, F, Mode).