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call cleanup

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This commit is contained in:
Vitor Santos Costa 2017-09-06 01:13:00 +01:00
parent af29600f09
commit e3ab36f091
7 changed files with 361 additions and 404 deletions
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144
C/fail_absmi_insts.h
View File

@ -9,8 +9,7 @@
/* trust_fail */ /* trust_fail */
BOp(trust_fail, e); BOp(trust_fail, e);
{ {
while (POP_CHOICE_POINT(B->cp_b)) while (POP_CHOICE_POINT(B->cp_b)) {
{
POP_EXECUTE(); POP_EXECUTE();
} }
} }
@ -37,8 +36,7 @@ shared_fail:
/* fail */ /* fail */
PBOp(op_fail, e); PBOp(op_fail, e);
if (PP) if (PP) {
{
UNLOCK(PP->PELock); UNLOCK(PP->PELock);
PP = NULL; PP = NULL;
} }
@ -48,12 +46,10 @@ shared_fail:
ENDCACHE_Y_AS_ENV(); ENDCACHE_Y_AS_ENV();
#endif #endif
fail: fail : {
{
register tr_fr_ptr pt0 = TR; register tr_fr_ptr pt0 = TR;
#if defined(YAPOR) || defined(THREADS) #if defined(YAPOR) || defined(THREADS)
if (PP) if (PP) {
{
UNLOCK(PP->PELock); UNLOCK(PP->PELock);
PP = NULL; PP = NULL;
} }
@ -63,22 +59,18 @@ fail:
CACHE_TR(B->cp_tr); CACHE_TR(B->cp_tr);
PREFETCH_OP(PREG); PREFETCH_OP(PREG);
failloop: failloop:
if (pt0 == S_TR) if (pt0 == S_TR) {
{
SP = SP0; SP = SP0;
#ifdef LOW_LEVEL_TRACER #ifdef LOW_LEVEL_TRACER
if (Yap_do_low_level_trace) if (Yap_do_low_level_trace) {
{
int go_on = true; int go_on = true;
yamop *ipc = PREG; yamop *ipc = PREG;
while (go_on) while (go_on) {
{
op_numbers opnum = Yap_op_from_opcode(ipc->opc); op_numbers opnum = Yap_op_from_opcode(ipc->opc);
go_on = false; go_on = false;
switch (opnum) switch (opnum) {
{
#ifdef TABLING #ifdef TABLING
case _table_load_answer: case _table_load_answer:
low_level_trace(retry_table_loader, LOAD_CP(B)->cp_pred_entry, NULL); low_level_trace(retry_table_loader, LOAD_CP(B)->cp_pred_entry, NULL);
@ -94,13 +86,16 @@ failloop:
#endif /* THREADS_CONSUMER_SHARING */ #endif /* THREADS_CONSUMER_SHARING */
#ifdef DETERMINISTIC_TABLING #ifdef DETERMINISTIC_TABLING
if (IS_DET_GEN_CP(B)) if (IS_DET_GEN_CP(B))
low_level_trace(retry_table_generator, DET_GEN_CP(B)->cp_pred_entry, NULL); low_level_trace(retry_table_generator, DET_GEN_CP(B)->cp_pred_entry,
NULL);
else else
#endif /* DETERMINISTIC_TABLING */ #endif /* DETERMINISTIC_TABLING */
low_level_trace(retry_table_generator, GEN_CP(B)->cp_pred_entry, (CELL *)(GEN_CP(B) + 1)); low_level_trace(retry_table_generator, GEN_CP(B)->cp_pred_entry,
(CELL *)(GEN_CP(B) + 1));
break; break;
case _table_answer_resolution: case _table_answer_resolution:
low_level_trace(retry_table_consumer, CONS_CP(B)->cp_pred_entry, NULL); low_level_trace(retry_table_consumer, CONS_CP(B)->cp_pred_entry,
NULL);
break; break;
case _trie_trust_var: case _trie_trust_var:
case _trie_retry_var: case _trie_retry_var:
@ -198,8 +193,7 @@ failloop:
{ {
TR = TR_FZ; TR = TR_FZ;
TRAIL_LINK(pt0); TRAIL_LINK(pt0);
} } else
else
#endif /* FROZEN_STACKS */ #endif /* FROZEN_STACKS */
RESTORE_TR(); RESTORE_TR();
GONext(); GONext();
@ -207,16 +201,13 @@ failloop:
BEGD(d1); BEGD(d1);
d1 = TrailTerm(pt0 - 1); d1 = TrailTerm(pt0 - 1);
pt0--; pt0--;
if (IsVarTerm(d1)) if (IsVarTerm(d1)) {
{
#if defined(YAPOR_SBA) && defined(YAPOR) #if defined(YAPOR_SBA) && defined(YAPOR)
/* clean up the trail when we backtrack */ /* clean up the trail when we backtrack */
if (Unsigned((Int)(d1) - (Int)(H_FZ)) > if (Unsigned((Int)(d1) - (Int)(H_FZ)) >
Unsigned((Int)(B_FZ) - (Int)(H_FZ))) Unsigned((Int)(B_FZ) - (Int)(H_FZ))) {
{
RESET_VARIABLE(STACK_TO_SBA(d1)); RESET_VARIABLE(STACK_TO_SBA(d1));
} } else
else
#endif #endif
/* normal variable */ /* normal variable */
RESET_VARIABLE(d1); RESET_VARIABLE(d1);
@ -224,18 +215,19 @@ failloop:
} }
/* pointer to code space */ /* pointer to code space */
/* or updatable variable */ /* or updatable variable */
#if defined(TERM_EXTENSIONS) || defined(FROZEN_STACKS) || defined(MULTI_ASSIGNMENT_VARIABLES) #if defined(TERM_EXTENSIONS) || defined(FROZEN_STACKS) || \
defined(MULTI_ASSIGNMENT_VARIABLES)
if (IsPairTerm(d1)) if (IsPairTerm(d1))
#endif /* TERM_EXTENSIONS || FROZEN_STACKS || MULTI_ASSIGNMENT_VARIABLES */ #endif /* TERM_EXTENSIONS || FROZEN_STACKS || MULTI_ASSIGNMENT_VARIABLES */
{ {
register CELL flags; register CELL flags;
CELL *pt1 = RepPair(d1); CELL *pt1 = RepPair(d1);
#ifdef LIMIT_TABLING #ifdef LIMIT_TABLING
if ((ADDR)pt1 == LOCAL_TrailBase) if ((ADDR)pt1 == LOCAL_TrailBase) {
{
sg_fr_ptr sg_fr = (sg_fr_ptr)TrailVal(pt0); sg_fr_ptr sg_fr = (sg_fr_ptr)TrailVal(pt0);
TrailTerm(pt0) = AbsPair((CELL *)(pt0 - 1)); TrailTerm(pt0) = AbsPair((CELL *)(pt0 - 1));
SgFr_state(sg_fr)--; /* complete_in_use --> complete : compiled_in_use --> compiled */ SgFr_state(sg_fr)--; /* complete_in_use --> complete : compiled_in_use -->
compiled */
insert_into_global_sg_fr_list(sg_fr); insert_into_global_sg_fr_list(sg_fr);
goto failloop; goto failloop;
} }
@ -248,24 +240,19 @@ failloop:
#else #else
IN_BETWEEN(LOCAL_TrailBase, pt1, (ADDR)CurrentTrailTop + MinTrailGap) IN_BETWEEN(LOCAL_TrailBase, pt1, (ADDR)CurrentTrailTop + MinTrailGap)
#endif /* YAPOR_SBA */ #endif /* YAPOR_SBA */
) ) {
{
pt0 = (tr_fr_ptr)pt1; pt0 = (tr_fr_ptr)pt1;
goto failloop; goto failloop;
} } else
else
#endif /* FROZEN_STACKS */ #endif /* FROZEN_STACKS */
if (IN_BETWEEN(H0, pt1, HR)) if (IN_BETWEEN(H0, pt1, HR)) {
{ if (IsAttVar(pt1)) {
if (IsAttVar(pt1))
{
goto failloop; goto failloop;
} } else {
else
{
TR = pt0; TR = pt0;
Yap_CleanOpaqueVariable(d1); Yap_CleanOpaqueVariable(d1);
goto fail;
goto failloop;
} }
} }
#ifdef FROZEN_STACKS /* TRAIL */ #ifdef FROZEN_STACKS /* TRAIL */
@ -275,8 +262,7 @@ failloop:
#endif #endif
flags = *pt1; flags = *pt1;
#if MULTIPLE_STACKS #if MULTIPLE_STACKS
if (FlagOn(DBClMask, flags)) if (FlagOn(DBClMask, flags)) {
{
DBRef dbr = DBStructFlagsToDBStruct(pt1); DBRef dbr = DBStructFlagsToDBStruct(pt1);
int erase; int erase;
@ -284,19 +270,14 @@ failloop:
DEC_DBREF_COUNT(dbr); DEC_DBREF_COUNT(dbr);
erase = (dbr->Flags & ErasedMask) && (dbr->ref_count == 0); erase = (dbr->Flags & ErasedMask) && (dbr->ref_count == 0);
UNLOCK(dbr->lock); UNLOCK(dbr->lock);
if (erase) if (erase) {
{
saveregs(); saveregs();
Yap_ErDBE(dbr); Yap_ErDBE(dbr);
setregs(); setregs();
} }
} } else {
else if (flags & LogUpdMask) {
{ if (flags & IndexMask) {
if (flags & LogUpdMask)
{
if (flags & IndexMask)
{
LogUpdIndex *cl = ClauseFlagsToLogUpdIndex(pt1); LogUpdIndex *cl = ClauseFlagsToLogUpdIndex(pt1);
int erase; int erase;
#if PARALLEL_YAP #if PARALLEL_YAP
@ -306,17 +287,14 @@ failloop:
PELOCK(8, ap); PELOCK(8, ap);
DEC_CLREF_COUNT(cl); DEC_CLREF_COUNT(cl);
erase = (cl->ClFlags & ErasedMask) && !(cl->ClRefCount); erase = (cl->ClFlags & ErasedMask) && !(cl->ClRefCount);
if (erase) if (erase) {
{
saveregs(); saveregs();
/* at this point, /* at this point,
we are the only ones accessing the clause, we are the only ones accessing the clause,
hence we don't need to have a lock it */ hence we don't need to have a lock it */
Yap_ErLogUpdIndex(cl); Yap_ErLogUpdIndex(cl);
setregs(); setregs();
} } else if (cl->ClFlags & DirtyMask) {
else if (cl->ClFlags & DirtyMask)
{
saveregs(); saveregs();
/* at this point, /* at this point,
we are the only ones accessing the clause, we are the only ones accessing the clause,
@ -325,23 +303,19 @@ failloop:
setregs(); setregs();
} }
UNLOCK(ap->PELock); UNLOCK(ap->PELock);
} } else {
else
{
LogUpdClause *cl = ClauseFlagsToLogUpdClause(pt1); LogUpdClause *cl = ClauseFlagsToLogUpdClause(pt1);
int erase; int erase;
#if PARALLEL_YAP #if PARALLEL_YAP
PredEntry *ap = cl->ClPred; PredEntry *ap = cl->ClPred;
#endif #endif
/* BB support */ /* BB support */
if (ap) if (ap) {
{
PELOCK(9, ap); PELOCK(9, ap);
DEC_CLREF_COUNT(cl); DEC_CLREF_COUNT(cl);
erase = (cl->ClFlags & ErasedMask) && !(cl->ClRefCount); erase = (cl->ClFlags & ErasedMask) && !(cl->ClRefCount);
if (erase) if (erase) {
{
saveregs(); saveregs();
/* at this point, /* at this point,
we are the only ones accessing the clause, we are the only ones accessing the clause,
@ -352,9 +326,7 @@ failloop:
UNLOCK(ap->PELock); UNLOCK(ap->PELock);
} }
} }
} } else {
else
{
DynamicClause *cl = ClauseFlagsToDynamicClause(pt1); DynamicClause *cl = ClauseFlagsToDynamicClause(pt1);
int erase; int erase;
@ -362,8 +334,7 @@ failloop:
DEC_CLREF_COUNT(cl); DEC_CLREF_COUNT(cl);
erase = (cl->ClFlags & ErasedMask) && !(cl->ClRefCount); erase = (cl->ClFlags & ErasedMask) && !(cl->ClRefCount);
UNLOCK(cl->ClLock); UNLOCK(cl->ClLock);
if (erase) if (erase) {
{
saveregs(); saveregs();
/* at this point, /* at this point,
we are the only ones accessing the clause, we are the only ones accessing the clause,
@ -376,37 +347,24 @@ failloop:
#else #else
ResetFlag(InUseMask, flags); ResetFlag(InUseMask, flags);
*pt1 = flags; *pt1 = flags;
if (FlagOn((ErasedMask | DirtyMask), flags)) if (FlagOn((ErasedMask | DirtyMask), flags)) {
{ if (FlagOn(DBClMask, flags)) {
if (FlagOn(DBClMask, flags))
{
saveregs(); saveregs();
Yap_ErDBE(DBStructFlagsToDBStruct(pt1)); Yap_ErDBE(DBStructFlagsToDBStruct(pt1));
setregs(); setregs();
} } else {
else
{
saveregs(); saveregs();
if (flags & LogUpdMask) if (flags & LogUpdMask) {
{ if (flags & IndexMask) {
if (flags & IndexMask) if (FlagOn(ErasedMask, flags)) {
{
if (FlagOn(ErasedMask, flags))
{
Yap_ErLogUpdIndex(ClauseFlagsToLogUpdIndex(pt1)); Yap_ErLogUpdIndex(ClauseFlagsToLogUpdIndex(pt1));
} } else {
else
{
Yap_CleanUpIndex(ClauseFlagsToLogUpdIndex(pt1)); Yap_CleanUpIndex(ClauseFlagsToLogUpdIndex(pt1));
} }
} } else {
else
{
Yap_ErLogUpdCl(ClauseFlagsToLogUpdClause(pt1)); Yap_ErLogUpdCl(ClauseFlagsToLogUpdClause(pt1));
} }
} } else {
else
{
Yap_ErCl(ClauseFlagsToDynamicClause(pt1)); Yap_ErCl(ClauseFlagsToDynamicClause(pt1));
} }
setregs(); setregs();

2
C/text.c
View File

@ -537,7 +537,7 @@ static Term write_strings(unsigned char *s0, seq_tv_t *out,
} }
} }
char *s = (char *)s0, *lim = s + max; char *s = (char *)s0;
Term t = init_tstring(PASS_REGS1); Term t = init_tstring(PASS_REGS1);
LOCAL_TERM_ERROR(t, 2 * max); LOCAL_TERM_ERROR(t, 2 * max);
unsigned char *buf = buf_from_tstring(HR); unsigned char *buf = buf_from_tstring(HR);

4
C/tracer.c
View File

@ -354,7 +354,7 @@ bool low_level_trace__(yap_low_level_port port, PredEntry *pred, CELL *args) {
printf("\n"); printf("\n");
} }
#endif #endif
b += snprintf(b, top - b, Int_FORMAT " "UInt_FORMAT " ", vsc_count, LCL0 - (CELL *)B); b += snprintf(b, top - b, "%llud "UInt_FORMAT " ", vsc_count, LCL0 - (CELL *)B);
b += snprintf(b, top - b, Int_FORMAT " ", LCL0 - (CELL *)Yap_REGS.CUT_C_TOP); b += snprintf(b, top - b, Int_FORMAT " ", LCL0 - (CELL *)Yap_REGS.CUT_C_TOP);
#if defined(THREADS) || defined(YAPOR) #if defined(THREADS) || defined(YAPOR)
b += snprintf(b, top - b, "(%d)", worker_id); b += snprintf(b, top - b, "(%d)", worker_id);
@ -482,7 +482,7 @@ static Int reset_total_choicepoints(USES_REGS1) {
} }
static Int show_low_level_trace(USES_REGS1) { static Int show_low_level_trace(USES_REGS1) {
fprintf(stderr, "Call counter=" Int_FORMAT "\n", vsc_count); fprintf(stderr, "Call counter=%lld\n", vsc_count);
return (TRUE); return (TRUE);
} }

14
H/trim_trail.h
View File

@ -1,8 +1,7 @@
#ifdef FROZEN_STACKS #ifdef FROZEN_STACKS
{ {
tr_fr_ptr pt0, pt1, pbase; tr_fr_ptr pt0, pt1, pbase, ptop;
restart: pbase = B->cp_tr, ptop = TR;
pbase = B->cp_tr;
pt0 = pt1 = TR - 1; pt0 = pt1 = TR - 1;
while (pt1 >= pbase) { while (pt1 >= pbase) {
BEGD(d1); BEGD(d1);
@ -33,10 +32,7 @@
Functor f = FunctorOfTerm(t); Functor f = FunctorOfTerm(t);
if (f == FunctorBigInt) { if (f == FunctorBigInt) {
Int tag = Yap_blob_tag(t) - USER_BLOB_START; Int tag = Yap_blob_tag(t) - USER_BLOB_START;
RESET_VARIABLE(&TrailTerm(pt1));
RESET_VARIABLE(&TrailVal(pt1));
GLOBAL_OpaqueHandlers[tag].cut_handler(d1); GLOBAL_OpaqueHandlers[tag].cut_handler(d1);
goto restart;
} else { } else {
pt0--; pt0--;
} }
@ -91,8 +87,12 @@
if (pt0 != pt1) { if (pt0 != pt1) {
int size; int size;
pt0++; pt0++;
size = TR - pt0; size = ptop - pt0;
memmove(pbase, pt0, size * sizeof(struct trail_frame)); memmove(pbase, pt0, size * sizeof(struct trail_frame));
if (ptop != TR) {
memmove(pbase + size, ptop, (TR - ptop) * sizeof(struct trail_frame));
size += (TR - ptop);
}
TR = pbase + size; TR = pbase + size;
} }
} }

2
include/VFS.h
View File

@ -113,7 +113,7 @@ extern VFS_t *GLOBAL_VFS;
extern void init_android_stream(void); extern void init_android_stream(void);
extern void Yap_InitStdStream(int sno, SMALLUNSGN flags, FILE *file, VFS_t *vfsp); extern void Yap_InitStdStream(int sno, unsigned int flags, FILE *file, VFS_t *vfsp);
static inline VFS_t *vfs_owner(const char *fname) { static inline VFS_t *vfs_owner(const char *fname) {
VFS_t *me = GLOBAL_VFS; VFS_t *me = GLOBAL_VFS;

1
include/YapInterface.h
View File

@ -79,7 +79,6 @@ __BEGIN_DECLS
#include "YapFormat.h" #include "YapFormat.h"
/* Primitive Functions */ /* Primitive Functions */
#define YAP_Deref(t) (t) #define YAP_Deref(t) (t)